Tag Archives: cnc machine

China OEM Door Handle Spindles CNC Wood Cutting Machine Woodworking CNC Router CNC Engraver with Free Design Custom

Product Description

Linear disk CZPT cnc router for Wooden Door Furnitures Cabinets engraving cutting drilling with automatic tool change air cooling spindle

1.) Working area: 1300*2500*200mm/1500x3000x200mm
2.) ATC 9kw air cooling spindle
3.) LNC controller (Optional: Original ZheJiang Syntec controller)
4.) J CZPT servo motor(Optional: Japan Yaskawa)
5.) Xihu (West Lake) Dis. Inverter(Optional: ZheJiang Delta inverter)
6.) Omron limited switch from Japan
7.) ZheJiang LP square rail and TBI ball screw
8.) vacuum combination table
9.) 7.5kw vacuum pump
10.) Heavy duty structure
11.) 10/12/16 tool holders
12.) 35mm PVC sheet vacuum table
13.) Optional:drilling head with 4+5

Parameter:

Model	USC1325/1530/2030 Disk CZPT CNC ROUTER
Working area	1300X2500X200mm/1500X3000X200mm
Spindle	9.0KW CZPT air-cooling spindle
Tool changer	10/12 straight tool changer
Control system	LNC controller
Servo system	Leadshine Servo motor and driver
Inverter	Xihu (West Lake) Dis. inverter(Optional:ZheJiang Delta)
Xihu (West Lake) Dis. rail	ZheJiang LP square 30 rails
Transmission	X, Y high-precision gear and rack transmission, Z ZheJiang TBI ball screw (25mm), Original nut from ZheJiang
Body	Heavy duty body with 8mm thickness steel
Table structure	Vacuum pump
Vacuum pump	7.5kw water vacuum pump
Dust collecting system	Dual-drum 4.0kw dust collect
Lubricating system	Automatic lubricating system
Limit switch	Japan OMRON
Sensor	Professional Tool sensor
Working accuracy	0.01mm
Repositioning accuracy	0.01mm
Spindle speed	0-24000RPM
Max. Rapid Travel Rate	4000mm/min
Voltage	3PH 380V 50HZ/60HZ power supply
Interface	USB
Flash Memory/Command	128M( U Disk)/ G code/mmg/plt/
Collet	ER25/ER30
Packing size	352022501990mm
Net weight/Gross weight	1600kg/1800kg
Design software	Compatible with Type3/Artcam/Castmate/Pore/Corelerow/Wentai, etc.
Cable	drag chain specific Cable,anti-jamming,anti-static;with high flexibility, long-term use without break
Packing	Strong plywood case

USCAM Quality Control
1. In the processing of production, our professional technical engineers inspect the processing to ensure the quality of products.
2. Every Machine must be tested before delivery for 8 hours , all of them are absolutely qualified.
3. 24 months guarantee of the whole machine.
4. Main parts(excluding the consumables) shall be changed free of charge if there is any problem during the warranty period.
5. Lifetime maintenance free of charge.
6. We will provide the consumable parts at an agency price when you need replacement.
7. Machine has been adjusted before delivery.
8. Our staff can be sent to your company to install or adjust if necessary.

Application areas:
Three-dimensional wave board processing, cabinet doors, solid wood doors, craft wooden doors, paint-free doors, screens, craft window processing, shoe-shoes, game consoles and panels, mahjong tables,
computer tables and auxiliary processing of panel furniture products.

1. Standard plywood case, its compressive strength and bearing quality is better.

2. the board area is bit, the soil structure is good, it is better in leakproofness and waterproof.

3. when importing, the plywood case is with fumigation-free, the procedure is simple.

4. Delivery Detail: within 7-15 days after received your payment

After sale Service:

# 18 months guarantee of the whole machine, we will provide the consumable parts at an agency price when you need replacement.

# Main parts(excluding the consumables) shall be changed free of charge if there is any problem during the warranty period.

# Software is on update for free whole life.

# Our engineer could support you technology to your country if necessary.

# Our enginner could service on weekend even on vacation.

# Our engineer could train you in our factory for free.

# Our engineer could service you 24 hours online by Skype, yahoo, msn, QQ, or by cellphone.

# English manual and CD video for machine using and maintaining will send to you with the machine.

FAQ
Q: What’s the package?
A: We have 3 layers package. For the outside, we adopt wood craft case. In the middle, the machine is covered by foam, to protect the machine from shaking. For the inside layer, the machine is covered by thickening plastic bag for waterproof.

Q: Will the package damaged during transportation?
A: Our package is considerate all the damage factors and make it to be safe, and our shipping agent have full experienced in safe tranportation. We have exported to 180 countries worldwide. So please don’t worry, you will receive the parcel in good condition.

Q: How to install and run the machine?
A: Our technician have installed the machine before shipping. For some small parts installation, we will send detail training video, user’s manual along with the machine. 95% customers can learn by themselves.

Q: How can I do if the machine goes wrong?
A: If confronted with such problems, please contact us asap and do not try fix the machine by yourself or someone else. We will response within 24 hours as quick as we can to solve it for you.

How to tell if your driveshaft needs replacing

What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.

unbalanced

An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.
air-compressor

unstable

When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the tension on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.

Unreliable

If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.
air-compressor

Unreliable U-joints

A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.

damaged drive shaft

The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new one.
air-compressor

Maintenance fees

The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than one, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged ones will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.

China OEM Door Handle Spindles CNC Wood Cutting Machine Woodworking CNC Router CNC Engraver with Free Design Custom

China supplier Gantry CNC Auto Plasma /Gas Cutting Machine (ZLQ-9) with Great quality

Product Description

Lansun CNC Plasma/Flame Cutting Machine Carbon Steel Plate Flame Cutter Gentry

Product Display:

Specification:

Cross Beam Length(X axis)4	4.0m(Can be lengthened according use’ s demand )
Longitudinal Rail Length(Y axis)	6.0m ( can be customized)
Effective Cutting Width (X axis)	3.2m
Effective Cutting Length (Y axis)	4.5m
Cutting Mode	Flame only; Plasma only; Flame and Plasma
Drive Mode	Bilateral-side
Drive Method	Rack and pinion drive for X and Y axes
Flame Cutting Thickness	5-200mm
Plasma Cutting Thickness	1-60mm (according to the specification of plasma power source)
Cutting Speed	Flame: 0-3500mm per minute; Plasma: 0-8000mm per minute
Moving Precision	0.01mm per step
Power Source (option)	220V 50Hz 500-1000W
Nesting Software (option)	INTERGNPS, FASTCAM
Cutting Gas	Acetylene, Propane
Plasma Gas	Pressed air, Oxygen, N2
Automatic CZPT Height Controller(option)	CHC600	Capacitive height controller for flame cutting
	PHC330	Arc voltage height controller for plasma cutting

Detailed description:

Machine body structure

1.Steel hollow beam design ensures good heat dissipation without deformation;
2. Box weldment structure process tempering ensures excellent rigidity and intensity;
3. Double drive adopts symmetrical structure.

HEIGHT CONTROLLER

Multiple cutting torches can be configured. Both flame and plasma torches are optional to meet the needs of cutting different materials in a range of thickness.
Flame:Electric height adjusting system.
Plasma:Arc voltage height controller.

CNC System

1. 10.4 inch LCD display;
2. USB port support, figures display;
3. Indicator lights showing working condition;
4. Operation menu displayed instantly on monitor;
5. Easy figures programmed directly.
ZheJiang or ZheJiang or American Brand CNC system is oPtional

Drive Model Transmission

Japan AC servo motor 1.Rack and gear mesh transmission. High stability of walking 2.Gear box: SEW, high output torsion low noise.
Convenient maintenance 3.Horizontal CZPT transmit by steel belt.
4. These devices are durable and long life device.

XIHU (WEST LAKE) DIS. RAIL

Material :U71Mn
Intensity:No less than700N/mm²;
Loading capacity no less than = 10T(per meter),
Rail tensile strength no less than 883Mpa,
Compression strength no less than 1000T.
Process mode:High precision grinder.
Longitudinal rack accuracy :7grade
Pitch:CP6

Features:

Portable and lightweight cnc flame/oxy/gas cutting machine. This cutter adopts single drive and lineal guide. It is small bodily movement type, can be put upon the metal plate to be cut, needn’t fixed plant, operate easily.

Application:

Cutting sample:

Certifications:CE&ISO 9001Certificate

Packaging & Shipping:

The main cabinet, auxiliary cabinet and cutting head have a packing box: 0.72m×0.68m×0.5m;
There is 1 packing box for the beam and CZPT rail: 3.37m×0.35m×0.3m (standard format);
A packing box for the header: 2.54m×0.3m×0.3m (standard format);

Our Factory:

FAQ:

1. Are you factory or foreign trade company?
We are over 17 years experienced manufacturers, large-scale production of CNC cutting machine.

2. Where is your factory located? How can I visit there?

Our factory is located in HangZhou, ZheJiang . We will meet you at airport or train station. Warmly welcome to visit us!

3. What’s the quality of your products?
We are very focused on the quality of the products, All spare parts of this machine come with best brand and best quality, after completing the installation we will test the machine for 48 hours. Our factory has gained CE, ISO9001 authentication.

4. What shall we do if don’t know how to operate your machine after bought from you?
We have detailed installation and operating instructions attached, also comes with video, it is very simple. We have telephone and email support at 24 hours a day.

5. What other things also need after we bought your machines?
(1) With flame cutting: oxygen and fuel gas.

(2) With plasma cutting: air compressor. Plasma power is purchased by us, so that we can debug online, and we all need very good plasma power to ensure quality.

6. What are your payment terms?
We support T/T, L/C, Western Union, Alibaba Trade Assurance and so on. Other ways can also be received after we both sides discussion and agreement.

Screws and Screw Shafts

A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

Machined screw shaft

A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from 2 different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.
screwshaft

Ball screw nut

When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In 1 revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have 1 contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
screwshaft

Self-locking property of screw shaft

A self-locking screw is 1 that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but 1 of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
screwshaft

Materials used to manufacture screw shaft

Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using 3 steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require 2 heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding 2 components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

China supplier Gantry CNC Auto Plasma /Gas Cutting Machine (ZLQ-9) with Great quality

China Custom Factory Price CZPT CNC Router CNC Machine 1325 for Sign Making with high quality

Product Description

factory price CZPT cnc router cnc machine 1325 for sign making

Technical Specification:

1325CNC ROUTER
Model	ZD1325
Range of work	1300x2500mm
Platform size	1380*2750
X,Y,Z structure	Z screw,X,Y rack
Empty line speed	80000mm/min
Speed of work	25000mm/min
Precise	≤0.05mm
Repeat position accuracy	≤0.02mm
Xihu (West Lake) Dis.	ZheJiang TBI25 square track
Spindle	HQD9KW air cooled tool change spindle
Perating mode	Kane 1500 watt high power pure servo absolute drive motor
Working voltage	380V/50hz
Tool	12tools
Operating system	ZheJiang Kai Endi processsing center dedicated control system
Control system	Syntec/NC studio/LNC system
Pushing system	Automatic processing after processing
Table	Vaccum table
Tool setting system	High precision automatic tool setting instrument

Function: Cutting, drilling, grooving, engraving and routing. Consecutive process make a maximize production efficiency.
Advantage:
  1. Automatic work table cleaning, lubrication and knife device, which bring a high efficiency
2. Module design. Several knife modules are available.
          3. Professional appearance and structure design and high precision CNC processing
          4. Domestic and imported CNC system, which has a stable performance.
          5. Operate easily and only a simple training is needed
          6. Automatic knife changing device is available

Product Details:

Our Services:

(1) Pre-sale services:

* Provide the free consultation of the equipment .

* Provide the standard device and the flow chart.

* According to the clients’ special requirement, offering the reasonable plan and free design helping to

select the equipment.

* Welcome to visit our factory.

(2)Services during the sales:

* Inspect the machine before leaving the factory.

* Oversea install and debug the equipment.

* Train the first-line operator.

(3)After sale services:

* 24 hours online service.

* Provide the VIDEO with Install and debug the equipment.

* Provide technical exchanging

Our company:

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China Custom Factory Price CZPT CNC Router CNC Machine 1325 for Sign Making with high quality

China factory Tck40p CNC Slant Bed Lathe Machine Combo Mill Lathe near me shop

Product Description

CK40P High Precision Best Price Small Slant Bed Machine Mini Slant Lathe Slant-bed CNC Lathe

Specifications

Item	Unit	TCK40P
Max. Swing diameter over bed	mm	320
Max.Swing over carriage	mm	120
Max.turning length	mm	280
Carriage length	mm	700
Lathe bed structure		30° Integral inclined lathe
Distance between carriage of spindle	mm	60
Spindle Nose		A2-5
Spindle speed range	r/min	50-4500
Hole through spindle	mm	48
Main motor power	kw	3.7
X axis travel	mm	300
Z axis travel	mm	280
X axis rapid speed	mm/min	2500
Z axis rapid speed	mm/min	2500
Positioning accuracy	mm	0.006
Repositioning accuracy	mm	0.003
Weight	kg	1250
Machine size	mm	1780x1380x1550

Standard Configuration:
1. CNC Controller: Syntec
2. Hydraulic collet
3. Gang type tool post.
4. Cooling system
5. Lighten system.
6. Automatic lubrication system.
7. With Main spindle with servo drive.
8. Power supply: 380V, 50Hz/ 3 phase.

Machine Images:

Company Information

Taian Yuzhuo Machinery Co., Ltd. ( or “YZ CNC” for short) is a professional manufacturing enterprise engaged in the
research, development, production, sale and service of CNC machines.
Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available
to discuss your requirements and ensure full customer satisfaction.

Our main products are as below:
* Wheel Repair CNC Lathe Machine
* Vertical CNC Lathe Machine
* Horizontal CNC Lathe Machine
* Slant Bed CNC Lathe Machine
* Universal Lathe Machine
* Pipe Threading CNC Lathe Machine
* CNC Milling Machine
* CNC Vertical Machining center
All the above products have passed CE, SGS certificates.

Our Strength
* Over 18 years manufacturing experience in CNC lathe machine.
* Quality is the life of our company, and we offer you the best high value added machines.
* Export CNC machine tools to all over the world, especially to UK, US, Europe and Middle East countries.
* Customer service is the power that drives our company forward.

Our Services

Pre-Sales Service:
1. Customers provide the detailed workpiece size or drawing, our professional engineer will check and recommend
suitable machine model for you.
2. Customers can also send us samples by courier, we can machining some samples for your checking.
3. All of our machines can be customized according to the requirements.
4. Welcome to come to our CZPT Yuzhuo factoy for visiting and checking machine.

After-sale Services:
1. Our experienced engineers can offer answers to your technical questions, and in many cases, solve your problems
effectively over the phone.
2. Engineers are available to service machines or to train how to use machine overseas.
3. Warranty period is 1 year, with lifelong after sale service.
4. We would provide parts for free during warranty period if it’s caused by quality problem.

CE Certificates

Customer Photos

Contact Us
If any interest about our cnc lathe, manual lathe, cnc milling machine or cnc vertical machining center, please just contact us freely.
And we warmly welcome you to visit our factory at any time, thank you.

When your axle needs to be replaced

If you’re wondering when your axle needs to be replaced, you should be aware of these signs first. A damaged axle is usually a sign that your car is out of balance. To tell if the axle needs to be replaced, listen for the strange noise the wheels make as they move. A rhythmic popping sound when you hit bumps or turns indicates that your axle needs to be replaced. If this sounds familiar, you should visit a mechanic.
Driveshaft

Symptoms of a broken shaft

You may notice a clicking or clanking sound from the rear of the vehicle. The vibrations you feel while driving may also indicate damaged axles. In severe cases, your car may lose control, resulting in a crash. If you experience these symptoms, it’s time to visit your auto repair shop. For just a few hundred dollars, you can get your car back on the road, and you don’t have to worry about driving.
Often, damaged axles can be caused by a variety of causes, including poor shock or load bearing bearings. Other causes of axle problems can be an overloaded vehicle, potholes, or a car accident. A bad axle can also cause vibrations and power transmission failures while driving. A damaged axle can also be the result of hitting a curb or pothole. When shaft damage is the cause of these symptoms, it must be repaired immediately.
If your car’s front axle is bent, you may need to replace them at the same time. In this case, you need to remove all tires from the car, separate the driveshaft from the transmission, and remove the axle. Be sure to double check the alignment to make sure everything is ok. Your insurance may cover the cost of repairs, but you may need to pay a deductible before getting coverage.
Axle damage is a common cause of vehicle instability. Axles are key components of a car that transmit power from the engine to the wheels. If it breaks, your vehicle will not be able to drive without a working axle. Symptoms of damaged axles can include high-speed vibrations or crashes that can shake the entire car. When it breaks down, your vehicle won’t be able to carry the weight of your vehicle, so it’s important to get your car repaired as soon as possible.
When your axle is damaged, the wheels will not turn properly, causing the vehicle to crash. When your car has these problems, the brakes won’t work properly and can make your car unstable. The wheels also won’t line up properly, which can cause the brakes to fail. Also, a damaged axle can cause the brakes to become sluggish and sensitive. In addition to the obvious signs, you can also experience the sound of metal rubbing against metal.

Types of car axles

When you’re shopping for a new or used car, it’s important to know that there are different types of axles. Knowing the year, make, model, trim and body type will help you determine the type you need. For easy purchasing, you can also visit My Auto Shop and fill out the vehicle information checklist. You can also read about drivetrains and braking systems. After mastering the basic information of the vehicle, you can purchase the axle assembly.
There are 2 basic types of automotive axles: short axles and drive axles. The axle is the suspension system of the vehicle. They carry the drive torque of the engine and distribute the weight throughout the vehicle. While short shafts have the advantage of simpler maintenance, dead shafts are more difficult to repair. They’re also less flexible, which means they need to be durable enough to withstand harsh conditions.
Axles can be 1 of 3 basic types, depending on the weight and required force. Semi-floating shafts have a bearing in the sleeve. They attach to the wheel and spin to generate torque. Semi-pontoons are common in light pickup trucks and medium-duty vehicles. They are not as effective as floating axles, but still provide a solid foundation for wheel alignment. To keep the wheels aligned, these axles are an important part of the car.
The front axle is the largest of the 3 and can handle road shocks. It consists of 4 main parts: stub shaft, beam, universal pin and track rod. The front axle is also very important as it helps with steering and handling road shocks. The front axle should be strong and durable, as the front axle is most susceptible to road shocks.
Cars use 2 types of axles: live and dead. Live axles connect to the wheels and drive the vehicle. Dead axles do not drive the wheels and support the vehicle. Those with 2 wheels have live axles. Heavy trucks and trailers use 3 or more. The number of axles varies according to the weight and load of the vehicle. This will affect which type of axle you need.
Driveshaft

life expectancy

There are a few things to keep in mind when determining the life expectancy of an automotive axle. First, you should check for any signs of wear. A common sign is rust. If your vehicle is often driven in snow and ice, you may need to replace the axle. Also, you should listen for strange sounds from the wheels, such as rhythmic thumping.
Depending on the type of axle, your car may have an average lifespan of 70,000 miles. However, if you have an older car, the CV axles probably won’t last 5 years. In this case, you may wish to postpone the inspection. This way, you can save money on repairs. However, the next step is to replace the faulty CV shaft. This process can take anywhere from 1 hour to 3 hours.
Weaker axles will eventually break. If it were weakened, it would compromise the steering suspension, putting other road users at risk. Fortunately, proper maintenance will help extend the life of your axle. Here are some tips for extending its lifespan. A good rule of thumb is to never go over speed bumps. This will cause sudden breakage, possibly resulting in a car accident. To prolong the life of your vehicle’s axles, follow these tips.
Another thing to check is the CV connector. If loose, it can cause vibration or even breakage if not controlled. Loose axles can damage the body, suspension and differential. To make matters worse, the guard on the CV joint could tear prematurely, causing the shaft to come loose. Poor CV connections can damage the differential or transmission if left unchecked. So if you want to maximize the life expectancy of your car’s axles, consider getting them serviced as soon as possible.
Driveshaft

The cost of repairing a damaged axle

A damaged axle may need repair as it is responsible for transferring power from the engine to the wheels. A damaged axle can cause a crash or even loss of control. Repairing an axle is much simpler than dealing with an accident. However, damaged axles can cost hundreds of dollars or more. Therefore, it is important to know what to do if you suspect that your axle may have a damaged component.
When your car needs to be replaced or repaired, you should seek the help of a professional mechanic to keep your car safe. You can save a lot of money by contacting a local mechanic who will provide the parts and labor needed to repair the axle. Also, you can avoid accidents by fixing your car as soon as possible. While axles can be expensive, they can last for many years.
The cost of repairing a damaged axle depends on the amount of repairs required and the vehicle you are driving. Prices range from $300 to $1,000, depending on the car and its age. In most cases, it will cost you less than $200 if you know how to fix a damaged axle. For those without DIY auto repair experience, a new axle can cost as little as $500. A damaged axle is a dangerous part of driving.
Fortunately, there are several affordable ways to repair damaged axles. Choosing a mechanic who specializes in this type of repair is critical. They will assess the damage and decide whether to replace or repair the part. In addition to this, they will also road test your car after completing the repairs. If you are unsure about repair procedures or costs, call a mechanic.

China factory Tck40p CNC Slant Bed Lathe Machine Combo Mill Lathe near me shop

China Professional Cantilever CNC Plasma Cutting Machine (ZLQ-6) wholesaler

Product Description

Features
This cutter adopts small cantilever structure, single drive and lineal guide. It is small bodily movement type, needn’t fixed plant, operate easily.
Application
It can cut mild steel (flame cutting) and high carbon steel, stainless steel, aluminum, copper and other non-ferrous metal (plasma cutting), etc, be widely applied in industries such as machinery, automobile, shipbuilding, petro-chemical, war industry, metallurgy, aerospace, boiler and pressure vessel, locomotive etc.

Application:

It can cut mild steel (flame cutting) and high carbon steel, stainless steel, aluminum, copper and other non-ferrous metal (plasma cutting), etc, be widely applied in industries such as machinery, automobile, shipbuilding, petro-chemical, war industry, metallurgy, aerospace, boiler and pressure vessel, locomotive etc.
.
Specifications
1. The overall processing machine base, good stability, not deformed
2. Using beeline and double-slide lead rails, high accuracy
3. A detachable structural design for arm, convenient transportation and installation
4. Beautiful structure, coordination, light weight;
5. Machine base is made in steel.
6. The CNC control system has the following character:
1) High reliability, such as anti-plasma jamming, and lightning strike, Surge;
2) 32M users program storage capacity can update to 64M;
3) In both English and Chinese interface conversion;
4) During plasma processing, auto-complete the speed control of the corner
5) Rich software features and practical flame / plasma cutting process;
6) In particular small line section procedure processing can be widely used in metal materials and advertisement, Iron;
7) Dynamic graphics, zoom in 1-8X the graphics, fixed point of automatic tracking;
8) Using USB Flash Drive reading procedure and timely upgrade software;
9) Built-in the rich graphics, makes programming easy to learn.

Cross Beam Length(X axis)	2.5m
Longitudinal Rail Length(Y axis)	2.3m (Rail can be lengthened according to user’ s demand)
Effective Cutting Width (X axis)	2.0m
Effective Cutting Length (Y axis)	2.0m (Rail can be lengthened according to user’ s demand)
Cutting Mode	Flame only; Plasma only; Flame and Plasma
Drive Mode	Single-side
Drive Method	Rack and pinion drive for X and Y axes
Flame Cutting Thickness	5-200mm
Plasma Cutting Thickness	0.1-60mm (according to the specification of plasma power source)
Cutting Speed	0-6500mm per minute
Moving Precision	0.01mm per step
Power Source (option)	220V 50Hz 500-1000W
Nesting Software (option)	IBE, FASTCAM
Cutting Gas	Acetylene, Propane
Plasma Gas	Pressed air, Oxygen, N2
Marking Tool	Yes
Torch Height Controller (AUTO)	CHC600	Capacitive height control for flame cutting
	PHC330	Arc voltage height control for plasma cutting

Cut Sample:

Package Picture:

Our Factory:

Customer Visit:

CE&ISO Certificate:

FAQ:
1. Are you factory or foreign trade company?
We are over 17 years experienced manufacturers, large-scale production of CNC cutting machine.

2. Where is your factory located? How can I visit there?
Our factory is located in HangZhou, ZheJiang . We will meet you at airport or train station. Warmly welcome to visit us!

5. What other things also need after we bought your machines?
(1) With flame cutting: oxygen and fuel gas.
(2) With plasma cutting: air compressor. Plasma power is purchased by us, so that we can debug online, and we all need very good plasma power to ensure quality.

6. What are your payment terms?
We support T/T, L/C, Western Union, Alibaba Trade Assurance and so on. Other ways can also be received after we both sides discussion and agreement.

Contact Me:
AlisonChen

Types of Splines

There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
splineshaft

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
splineshaft

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
splineshaft

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.

China Professional Cantilever CNC Plasma Cutting Machine (ZLQ-6) wholesaler

China supplier CNC High Efficiency EDM Wire Cutting Machine with Hot selling

Product Description

Technique parameters

Technical parameter	Unit	DK7732ZG
Table size (W*D)	mm	740×460
Table travel (X*Y)	mm	320×400
Max.workpiece dimension	mm	800×500
Table size(U*V)	mm	±30×±30
Max. workpiece weight	kg	600
Max. thickness of workpiece	mm	300
Max. taper angle/workpiece thickness		±6°/80mm
Molybdenum Dia.	mm	φ0.15~φ0.25mm (φ0.18mm recommend)
Max. wire feed rate	m/sec	1~11.4m/sec frequency adjustable
Machining precision	mm	≤0.01
Max. machining speed	mm2/min	≥200
Surface roughness	μm	one time Ra≤2.5,three times Ra≤1.0 five times Ra≤0.8
Linkage control axis number		X,Y,U,V
Max.trip wire cylinder	m	250
Z-axis control		electronic control
Motor type		X,Y,U,V all servo motor
Axis controlled		4 axis simultaneous
Min. control pace	mm	0.001
Power supply		380VAC/50Hz
Max. working current	A	12
Power consumption	Kw	1.5
Work liquid		JR3A
Water tank	L	90
Filtering mode		Paper filter/Italy pump
Machine weight	kg	2200
Machine dimension	mm	1800×1300×2030
Size package	mm	2000×1400×2400
The noise	db	≤70

Company Information

Founded in 1958 and developed more than half a century, ZheJiang Xihu (West Lake) Dis.qing CNC Machine Tool CO. Ltd., has now became a forge ahead modern enterprise for production of CNC machine.

The R&D, production and marketing are the main component of the company. As shown on the website, the main product of the company covers 5 series, CNC milling machine & vertical machining center, CNC engraving machine, CNC wire cut EDM, Die sinking EDM and Micro hole drilling EDM.

The company has always engaged in improving the quality, function and performance of CNC machine in the past several years. It has successfully passed identification of ISO, CE, SGS, TUV & Bureau. “Innovation, development and win-win situation” makes TOPSCNC enjoy high reputation in this line.

TOPSCNC people wish to share success with you in the future!

TOPSCNC Customer

Our service

1) Quality & Service : We are confident in our products .Please choose TOPSCNC, we’ll never let you down.

2) Price :Because we are factory,so you can get good products at the best price.

3 )Warranty: One year after shipment but consumables are not included.

FAQ

Q: Are you trading company or factory?

A: We are factory.

Q. Could your engineers go to our factory to install the machine and train our workers?

A:Yes, our engineers could go to your factory and assist you.

Q:What is your warranty?

A:One year after shipment ,consumables are not included.

Q: What is your terms of payment ?

A:L/C or T/T before shipment.

Contact us

Company: ZheJiang Xihu (West Lake) Dis.qing CNC Machine Tool Co. Ltd.
Address: East Suburb Development Zone, HangZhou city, ZheJiang Province, China

Web: topscnc

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

China supplier CNC High Efficiency EDM Wire Cutting Machine with Hot selling

China wholesaler CNC Metal Cutting Fiber Laser Engraving Machine near me shop

Product Description

KH-4571 Fiber Laser Cutting Machine

Features:

1.The medium-power laser cutting machine with the highest precision in China, it can cut small metal bike design with size of half a coin.

2.Equipped with original japan imported servo motor and ZheJiang precise ball screw CZPT rail, highest speed up to 40m/min and accelerated speed up to 1 G, 120 holes can be cut within 1 minute.

3.Integrated machine accessories, fast disassembly, left and right drawers collecting saves space.

4.Professionally cutting 0.5-14mm carbon steel, 0.5-10mm stainless steel, galvanized steel, eletrogalvanized metal sheet, silicium steel and some other kinds of thin metal sheets. (The laser brand can be customized, power optional from 500w-3000w )

SPECIFICATION OF KH-4571 FIBER LASER CUTTING MACHINE
Working area	2000 mm * 4000mm
Laser Power	500W/ 1000W/ 2000W/ 3000W
Laser Type	Fiber laser, water-cooling
Laser wavelength	1080nm
Running speed	0-60m/min
CNC or Not	CNC
Resetting Position Accuracy	≤±0.01mm
Control Software	Cypcut, Weihong
Operating Temperature	0 – 40 ° C
Graphic format supported	BMP, HPGL(PLT), JPEG, DXF,AI, DST
Transfer method	Double drive rack and pinion
Drive modor	Imported servo motor and servo drive
Applied material	Carbon steel/SS and other metal plates
Warranty	2 Years
Packing Dimension	5200mm * 3100mm * 2000mm (LWH)
Net Weight	Approximately 3000 KG

Applicable materials for laser cutting machine for metal

Fiber Laser Cutting Equipment is suitable for metal cutting with Stainless Steel Sheet, Mild Steel Plate, Carbon Steel Sheet, Alloy Steel Plate, Spring Steel Sheet, Iron Plate, Galvanized Iron, Galvanized Sheet, Aluminum Plate, Copper Sheet, Brass Sheet, Bronze Plate, Gold Plate, Silver Plate, Titanium Plate, Metal Sheet, Metal Plate, Tubes and Pipes, etc.

Application Industries

Fiber Laser Cutting Machine is widely used in manufacturing Billboard, Advertising, Signs, Signage, Metal Letters, LED Letters, Kitchen Ware, Advertising Letters, Sheet Metal Processing, Metals Components and Parts, Ironware, Chassis, Racks & Cabinets Processing, Metal Crafts, Metal Art Ware, Elevator Panel Cutting, Hardware, Auto Parts, Glasses Frame, Electronic Parts, Nameplates, etc.

Configuration:

Configuration for fiber metal laser cutting machine

4000*2000mm working area;

Raytools laser cutting head;

X,Y axis Japan YASKAWA/ CZPT servo motor;

Z axis Japan CZPT servo motor;

ZheJiang HIWIN guide rail;

ZheJiang YYC gear rack;

Japan SHIMPO reducer;

ZheJiang TBI ball screw;

Japan /ZheJiang pneumatic components;

France Schneider electrical components;

Cypcut control system.

Application:

Packaging & Shipping

1. Kahan CNC machine and accessories are covered by plastic sheet first.
2. Then the whole machine is packed by plywood case used for export.
3. Kahan CNC machine can be delivered by sea, by train, or by plane depending on customers.

Delivery Detail:

Shipped in 15-30 working days after payment.

Guarantee:

2 years warranty for the whole machine. Within 24 months under normal use and maintenance, if something is wrong with the machine, you will get spare part for free. After 24 months, you will get spare parts at cost price. You will also get technical support and service all the lifetime.

Technical support:

1. Technical support by phone, email or WhatsApp/Skype around the clock.
2. Friendly English version manual and operation video CD disk.
3. If needed, we can send our engineer to your site for training or you can send the operator to our factory for training.

After sales services:

Normal machine is properly adjusted before dispatch. You will be CZPT to use the machine immediately after received machine. Besides, you will be CZPT to get free training advice towards our machine in our factory. You will also get free suggestion and consultation, technical support and service by email/WhatsApp/tel etc.

FAQ

Q: There are so many machine types, which 1 should I choose?
A: Kahan Laser provides machine parameters in each product demo page, please kindly check technical data column. It is important to compare all data before choose the best prototype. Also, our sales team provides online services to resolve your confusion, feel free to contact us.

Q:This is my first time buying your machine; I have no ideas about Kahan’s machines quality?
A: Each machine is strictly produced based on the standard of ISO9000-2000, ISO14001-2004, GMC global manufacturer and CE certifications. Our products have CE certifications verified by TÜV SÜD, Bureau Veritas and etc. As china high-power laser cutting machine provider, more than 10,000 machines have been sold in the past 10 years. Customer is our first priority. We are confident to tell customers that there is no need to worry about our quality.

Q: When I got this machine, but I don’t know how to use it. What should I do?
A:There are videos and English manual with the machine. If you still have some doubts, we can talk by telephone or email.

Q: If some problems happen to this machine during warranty period, what should I do?
A: We will supply free parts during machine warranty period if machine have some problems. While we also supply free life long after-sales service. If you have any question,just contact us freely.

Lead Screws and Clamp Style Collars

Acme thread

Lead screw coatings

Clamp style collars

Ball screw nut

China wholesaler CNC Metal Cutting Fiber Laser Engraving Machine near me shop

China high quality CNC Iron Sheet Metal Plate Stainless Steel Aluminum Plasma Cutting Machine with Hot selling

Product Description

CNC Iron Sheet Metal Plate Stainless Steel Aluminum Plasma Cutting Machine

1.The Suitable material:
This plasma cutting machine can work on Iron Plate, Aluminum sheet,Galvanized Sheet Stainless,Titanium plates etc. metal sheet and metal pipe can both cutting.

2.The application industries:
Cars, motorcycles, pressure vessels, chemical machinery, nuclear industry, general machinery, engineering machinery, steel structure, shipbuilding and other industries.

Model	USP plasma cutting machine
Power source	China JS /Xihu (West Lake) Dis. /Hypertherm
Control system	FL2300B control system With Arc Voltage device
Cutting speed	0-15m/min(depending on material and thickness)
Transmission system	X, Y ZheJiang Hiwin high-precision, zero clearance increased linear guide+rack, Z the arc voltage control
Positioning accuracy	±0.05mm
Processing accuracy	±0.35mm
Power supply	AC380/50HZ
Software support	STARCAM software
Instruction format	G code
Working table	Serrate working platform
Working pressure	0.65-0.7Mpa

Brand	Power	max cutting thickness for carbon steel(mm)	Max cutting thickness for stainless steel (mm)
China JS-POWER Supply	100A	20	10
	130A	30	15
	200A	40	20
	300A	45	23
	400A	50	25
	M-199	36	18
USA Hpertherm power supply	45A	8	5
	65A	12	8
	85A	15	10
	105A	25	16
	125A	30	20
	130A	45	30

1. Our machine adopt the iron cast heavy duty body frame, can ensure the machine whole working precision ,The cutting incision is thin and tidily and can avoid the second processing.

2. Water tank working table can be effectively absorb a large amount of smoke generated during the work.

3. ZheJiang FL control system with the water mist function, it can ensure the cutting effect , ensure no black color on the cutting edge. especially for the stainless steel and aluminum

4. All of our metal plasma cutting machine with the bigger up-down device system .

1. Warranty
24 Months warranty for this plasma cutting machine.Our customer will be fully trained for the operation and maintaining
technology after the order confirmed.Our engineer could train you on at our factory for free hour full after sales service our skilled engineer will help customer to solve the problem by MSN, SKYPE, QQ etc in time when problems happen, if necessary, overseas service is available.

2.Quality Control
Skilled and strict Quality Inspection Team is available during the material purchasing and production procedure.All finished machine we delivered are 100% strictly tested by our QC department and engineering department.

3.Payment terms
30% T/T paid in advance as deposit, the balance paid before shipment.

Delivery Time	Within 15 working days for production after getting the payment
Warranty Time	2 years (replace parts during warranty no human reason)
Packaging	Firstly, Packed the machine with plastic sheet for clearing and damp proofing, Secondly, Then put machine in the plywood case for saftey and clashing. Thirdly, Transport the plywood case into the container.

QI: know nothing about the metal plasma cutting machine , what kind of machine I should choose?
Very easy to choose.

Just tell us what you want to do using this plasma machine. And sending us a sample picture is better. Then we will send
you a perfect solutions and suggestions.

Q2: When I get this machine, but I don’t know how to use it. What should i do?We will send you the English manual and CD video for machine using and maintaining with machine. If you still have some doubts, we can talk by telephone or . Our engineer can also be sent to your country to install or adjust machine if
necessary.

Q3:if some problems happened to this cnc plasma cutting machine during warranty period, what should i do?

We will supply free parts for this machine during the warranty period if machine have any problems.We also supply free afterservice forever. So any doubts, just let us know, we will give you solutions within 30 min.

Any interested, Welcome inquiry anytime!

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

China high quality CNC Iron Sheet Metal Plate Stainless Steel Aluminum Plasma Cutting Machine with Hot selling

China Professional Big Power 1000W Metal CNC Fiber Laser Cutting Machine with Ce Certification with Best Sales

Product Description

KH-4571 Fiber Laser Cutting Machine

Features:

1.The medium-power laser cutting machine with the highest precision in China, it can cut small metal bike design with size of half a coin.

2.Equipped with original japan imported servo motor and ZheJiang precise ball screw CZPT rail, highest speed up to 40m/min and accelerated speed up to 1 G, 120 holes can be cut within 1 minute.

3.Integrated machine accessories, fast disassembly, left and right drawers collecting saves space.

SPECIFICATION OF KH-4571 FIBER LASER CUTTING MACHINE
Working area	2000 mm * 4000mm
Laser Power	500W/ 1000W/ 2000W/ 3000W
Laser Type	Fiber laser, water-cooling
Laser wavelength	1080nm
Running speed	0-60m/min
CNC or Not	CNC
Resetting Position Accuracy	≤±0.01mm
Control Software	Cypcut, Weihong
Operating Temperature	0 – 40 ° C
Graphic format supported	BMP, HPGL(PLT), JPEG, DXF,AI, DST
Transfer method	Double drive rack and pinion
Drive modor	Imported servo motor and servo drive
Applied material	Carbon steel/SS and other metal plates
Warranty	2 Years
Packing Dimension	5200mm * 3100mm * 2000mm (LWH)
Net Weight	Approximately 3000 KG

Applicable materials for laser cutting machine for metal

Application Industries

Configuration:

Configuration for fiber metal laser cutting machine

4000*2000mm working area;

Raytools laser cutting head;

X,Y axis Japan YASKAWA/ CZPT servo motor;

Z axis Japan CZPT servo motor;

ZheJiang HIWIN guide rail;

ZheJiang YYC gear rack;

Japan SHIMPO reducer;

ZheJiang TBI ball screw;

Japan /ZheJiang pneumatic components;

France Schneider electrical components;

Cypcut control system.

Application:

Packaging & Shipping

Delivery Detail:

Shipped in 15-30 working days after payment.

Guarantee:

Technical support:

After sales services:

FAQ

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China Professional Big Power 1000W Metal CNC Fiber Laser Cutting Machine with Ce Certification with Best Sales

China Professional Hot Sale 1325 CNC Router Machine Engraving Machine CZPT Router Machine for Marble Wood Acrylic near me factory

Product Description

Hot sale 1325 CNC Router Machine Engraving Machine CZPT Router Machine for Marble Wood Acrylic

1. Features:

1.Lathe bed is of high quality by cast steel, after re-treatment, much stronger and more stable.
2.High-power water-cooled frequency spindle, high power, high precision.
3.Square linear guide, rigid, fast, smooth operation.
4.Applicable to all types of CZPT machine marble, granite, glass, tile, tombstones and metal processing.
5.The advanced professional control system compatible with many instruction format, may achieve process function in interruption
of power supply, breakpoint and next day which is more convenient and save labor.

2. Applications:

Industry: mainly used for granite, marble slabs, white marble and other CZPT carving patterns, such as text pattern.
Applicable materials: CZPT and non-metallic materials

3.Technical parameters of CZPT CNC Router

Product name	low cost 1325 3 axis CZPT cnc router for marble carving
X,Y,Z Working Area	1300x2500x500mm
X,Y,Z Repositioning Accuracy	±0.05mm
Table Surface	T-slot Table and Water Tank
Frame	Welded structure
X, Y axis transmission	Rack and Pinion gear
Z transmission	Ball Screw
Rail Configuration	ZheJiang HIWIN 25 square rail
Max. Traveling Rate	25000mm/min
Max. Working Speed	15000mm/min
Spindle Power	Water cooling 5.5KW(7.5KW is optional)
Spindle Speed	24000RPM
Drive Motors	Leadshine Stepper System (Optional Yaskawa/ CZPT Servo motors)
Working Voltage	AC380V/50Hz/3PH
Command Language	G Code
Operating System	Nc studio System (Optional:DSP,mach 3 )
Computer Interface	USB
Software Compatibility	Type3, UCANCAM
Packing Size	Strong Plywood Case
N.W.	2000Kg

4.Details of Marble Engraving and Cutting machine

Rotary Device optional. A rotary device includes a fixed body and a shaft. as 4th axis of CNC
router, it could work instead of X or Y axis for column Processing, such as chair jamb, stair jamb,
roman column, pillar etc. the column diameter it fixes could be from 10mm to 400mm, material
could be wood, marble, foam etc.

5.Samples:

6.Feedback from Our clients:

7.Packaging & Shipping

1. UNISTAR Machine and accessories are first covered by plastic sheet, water-proof and dampproof.
2. All the things are packed by plywood case used for export.
3. UNISTAR CNC machine Can be delivered by sea, by train, or by plane according to your designated.

8.Services of our CZPT Marble CNC Router

Guarantee:
2 year warranty for the whole machine. Within 12 months under normal use and maintenance, if
something is wrong with the machine, you will get spare part for free. Out of 12 months, you will get
spare parts at cost price. You will also get technical support and service all the lifetime.

Technical support:
1. Technical support by phone, email or WhatsApp/Skype around the clock
2. Friendly English version manual and operation video CD disk
3. Engineer available to service machinery overseas

After sales services:
Normal machine is properly adjusted before dispatch. You will be CZPT to use the machine
immediately after received machine.
Besides, you will be CZPT to get free training advice towards our machine in our factory. You will
also get free suggestion and consultation, technical support and service by email/WhatsApp/tel etc.

9.FAQ:

Q: How can I choose suitable machine?
A: Please communicate with us via inquiry or email, we can CZPT you. Please kindly tell us:
1) .What work table size you will need?
2).What work you will do?

Q: What’s your payment terms? Delivery time and MOQ?
A: We accpet T/T(bank transfer), L/C, Paypal, Western union etc. Usually we need 30% as deposit, balance paid before shipment.
Delivery Time: 3-5 days after payment
MOQ: 1set

Q: If I bought a machine, how could you make it safe while shipping.
A: We have a professtional package suitable for oversea transpotation. Machine will be fixed well in the case.

Q: What’s your quality control system?
A: All machines will be tested after finished. We have QC department response for this job. And we already got CE approved.

Q: If I don’t know how to use the machine, can you teach me?
A: 1) There is a DVD disc including machine user manual and software user manual c/w machine.
2) Online ( & phone)
3) Remote desktop software (Teamviewer)
4) Demo Video

Contact us

Lily

Website:unistarcnc

Axle Spindle Types and Installation

Are you looking for a new axle spindle for your vehicle? If so, you’ve come to the right place. Learn more about their types, functions, and installation. After reading this article, you’ll be well on your way to finding your new axle spindle. Axle spindles are essential to your vehicle. There are several types and each has unique characteristics. Here’s how to choose the best 1 for your car.

Dimensions

Axle spindle dimensions are crucial for safe wheel support. This component experiences significant stress and load during bearing mounting and must provide sufficient strength. The axle spindle can be hot-forged or shaped to include an integral shoulder. The shape of the bearing stop region must be abruptly transitioned from a straight to a curved configuration. Dimensions of axle spindle vary with different materials, manufacturing techniques, and applications.
The bearing surfaces of the axle spindle are 1.376 inches across, while the bearing spacer is 1.061 inch across. The axle spindle is 1.376 inches long and includes a cotter pin and nut. Typical axle spindle dimensions are listed below. Some axles may have additional components to reduce their weight, while others may not have any. The number of axles and bearings is also important to consider when determining the dimensions of the axle.
The outside shape of the axle spindle 40 is similar to that of the prior art spindle 10. The outer wheel bearing region 44 is cylindrical with a diameter D 1 and an inner wheel bearing region 46. An axially-separating transition region 48 separates the inner bearing region 46 from the outer wheel bearing region 44. It is important to note that the internal diameter is generally slightly larger than the outer wheel bearing region 46.
Axle spindles can be integrally formed or welded to the housing or central beam. They can also be designed differently depending on the intended function. For example, the trailer axle spindle may have a circular or rectangular cross section. Once again, axle spindles are important for safety and longevity, so it is important to know their dimensions. You can also check online for the dimensions of axle spindles.
Driveshaft

Function

Axle spindles are crucial components of a vehicle’s suspension system. They enable a vehicle to move forward, turn, brake, and accelerate. The axle also supports the wheel bearings. In addition to supporting the wheel hub, the axle spindle connects the arms of each wheel to the chassis. This piece is also known as a steering knuckle. The axle spindle’s job is to provide sufficient strength to support the axle.
The functional elements of an axle spindle are cylindrical and have a transition region and an outer surface with an irregular pattern. They have a first and a second diameter, and are shaped to form the spindle’s beam portion and spindle region. The transition region forms a pivotal connection between the axle and the suspension. It also provides the connection between the axle and the trailer. It allows a vehicle to rotate without causing excessive vibrations.
Axle spindles can be circular in structure and are similar to those of the prior art. They support wheel hub configurations. The first end of a spindle is threaded, while the second end is open. The outer wheel bearing region has an outer surface with a diameter D1, while the inner wheel bearing region 46 has a cylindrical outer surface with a diameter D2. The transition region separates the spindle from the rest of the axle.
The spindle nut retains the wheel hub on the spindle, whereas the spindle nut holds the hub assembly in place. A spindle nut retains the wheel on the spindle. A hub cap protects the locking nut assembly and lubrication area. A hub cap is also a common component of the axle. The hub cap also provides a protective shield for the spindle nut.
Steering axle spindles do not extend to the right of the oil seal. They extend from the steering kunckle, which is pivotally joined to the steering axle beam. Despite the differences in bearing seals, wheel hub mounting means, and brake assemblies, the basic spindle configuration is the same. A spindle consists of 2 axially separated bearing regions, 1 with a larger diameter than the other, with a bearing stop adjacent to the inner bearing region.
Driveshaft

Types

The axle is the basic unit of an automobile, and it includes several components. Among these are bearings, axle housings, and wheel hubs. Bearings and axle housings take on all of the radial loads placed on them during operation. As a result, they are necessary to ensure that a vehicle is able to function at its optimum level. But if you’re not sure what these components are, they can make all the difference in your ride.
Axle type depends on a number of factors, including the amount of force produced. In some cases, the vehicle already has pre-designed axles that come in standard formats, but in other cases, a customer can order a custom-made axle for the specific needs of his vehicle. Customized axles give the vehicle operator greater control over the speed and torque of the wheels. To choose the correct axle type for your vehicle, it’s helpful to know the measurements of the axle.
Axle gear sets and lubrication passages are also different. Reverse-cut gears can’t be used in place of standard cut gears, and vice-versa. The 2 types of axle are compatible, but the spline count of the differential case must match that of the axle. It’s important to remember that a different type of axle may work with a different type of machine tool.
Different axle spindle materials have their own advantages and disadvantages. Some are more durable than others, depending on their load capacity. Disc brake hubs and axle spindles are similar to the non-braking ones, but include a rotor and a caliper yoke. The yoke design on the rotor or caliper spindle is specific for each rotor.
Bearing-type axles are the most durable. They transfer the weight of the vehicle to the axle casing. The axle housing is retained by a flange bolted to the hub, and the axle bearings are secured on the spindle by a large nut. Alternatively, axles with bearings are supported solely on the axle spindle and don’t require a hub. Floating axles are typically better for long-term operation, but may be a limited choice for vehicles.
Driveshaft

Installation

Axle spindle installation involves tightening the axle spindle nut to retain the spacer and bearing cones in position. When properly tightened, the axle spindle nut provides the clamp force required to compress the bearing spacer and bearing cone. Preloading is an important part of axle spindle installation because it optimizes bearing life by limiting the tolerance range of end play. Here are some tips on axle spindle installation.
To start the process, you should remove the axle spindle from the vehicle. If the old spindle is not a bolt-on type, a technician will need to cut the weld that holds the axle spindle in place. Then, he or she would need to thread the new spindle back into place. The axle tube must be threaded to accept the new spindle. Once the axle spindle is properly installed, the technician will need to tighten it to the specified torque.
Once the axle spindle is installed, the technician will continue tightening the nut assembly. To ensure a tight grip, the technician will rotate the outer washer while adjusting the torque level on the axle spindle nut. If the nut is not correctly torqued, it may loosen the axle spindle. In addition, improper torque can cause excessive inboard pressure on the outer nut, which can result in over or under-compression of the bearing cone.
The second axle spindle includes an inboard bearing 54 and an outboard bearing 56. The inboard bearing has an inboard surface that abuts the shoulder 26 of the axle spindle. The outboard bearing 57 is mounted on the axle spindle near its outboard end. A bearing spacer 58 is positioned between the inboard and outboard bearings. The spacer and bearing cone group comprises the bearing cones 54 and 56.
Proper alignment of the new spindle is essential for a secure fit. Taking your trailer to a licensed repair facility for a trailer spindle installation is a good idea, as a poorly installed axle can result in improper wheel tracking and premature tire wear. A licensed trailer repair facility can do this for you without much difficulty. This way, you won’t waste your time or frustration on a DIY trailer axle replacement.

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