Tag Archives: wire machine

China Good quality Dk7763z Aluminum Alloy Wire Cut Machine, Single Cutting Machine near me supplier

Product Description

Technique parameters
cnc wire cut edm

Technique parameters	Unit	DK7725Z	DK7732Z	DK7740Z	DK7750Z	DK7763Z
Table size (WxD)	mm	400×580	440×680	540×760	640×1571	750×1140
Table travel (XxY)	mm	250×320	320×400	400×500	500×630	630×800
Table travel (UxV)	mm	70×70
Z-axis control		manual control
Z-axis guideway		slide guides
Max. workpiece weight	kg	400	600	1000	1600	2400
Thickness of workpiece	mm	400	400		450	550
Max.taper angle		±6°/80mm
Diameter of cutting wire	mm	φ0.15~φ0.20mm(recommendφ0.18mm)
Feeding speed	m/sec	1~11.4m/sec adjustable
Precision	mm	≤0.015
Machining speed	mm²/min	>200
Surface roughness	μm	Ra≤2.5
Motor type		X,Y,U,V stepper motor
Control axis		4 axis simultaneous
Min. control pace	mm	0.001
Power supply		3N-380V/50Hz
Max. working current	A	12
Power consumption	Kw	1
Working liquid		JA-1
Water tank	L	55
Filtering mode		filter screen
Controller		DQE-DS-01/02/03
Machine weight	kg	1100	1300	1600	2300	2700
Machine dimensions	mm	1420×1040×1600	1550×1170×1700	1800×1380×1700	2060×1760×1850	2250×2250×1950

1. Optional two-axis or four-axis hybrid stepper motor
2. Two kinds of cabinet optional one
3. Cost-effective
4. Good accuracy and accuracy to maintain the characteristics
5. Excellent long-term fast cutting characteristics
6. Good cutting surface roughness
7.Very low molybdenum wire loss and power consumption
8. Very low wire broken rate

How to Calculate the Diameter of a Worm Gear

In this article, we will discuss the characteristics of the Duplex, Single-throated, and Undercut worm gears and the analysis of worm shaft deflection. Besides that, we will explore how the diameter of a worm gear is calculated. If you have any doubt about the function of a worm gear, you can refer to the table below. Also, keep in mind that a worm gear has several important parameters which determine its working.

Duplex worm gear

A duplex worm gear set is distinguished by its ability to maintain precise angles and high gear ratios. The backlash of the gearing can be readjusted several times. The axial position of the worm shaft can be determined by adjusting screws on the housing cover. This feature allows for low backlash engagement of the worm tooth pitch with the worm gear. This feature is especially beneficial when backlash is a critical factor when selecting gears.
The standard worm gear shaft requires less lubrication than its dual counterpart. Worm gears are difficult to lubricate because they are sliding rather than rotating. They also have fewer moving parts and fewer points of failure. The disadvantage of a worm gear is that you cannot reverse the direction of power due to friction between the worm and the wheel. Because of this, they are best used in machines that operate at low speeds.
Worm wheels have teeth that form a helix. This helix produces axial thrust forces, depending on the hand of the helix and the direction of rotation. To handle these forces, the worms should be mounted securely using dowel pins, step shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s face width.
The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the section of the worm with the desired tooth thickness is in contact with the wheel. As a result, the backlash is adjustable. Worm gears are an excellent choice for rotary tables, high-precision reversing applications, and ultra-low-backlash gearboxes. Axial shift backlash is a major advantage of duplex worm gears, and this feature translates into a simple and fast assembly process.
When choosing a gear set, the size and lubrication process will be crucial. If you’re not careful, you might end up with a damaged gear or 1 with improper backlash. Luckily, there are some simple ways to maintain the proper tooth contact and backlash of your worm gears, ensuring long-term reliability and performance. As with any gear set, proper lubrication will ensure your worm gears last for years to come.
worm shaft

Single-throated worm gear

Worm gears mesh by sliding and rolling motions, but sliding contact dominates at high reduction ratios. Worm gears’ efficiency is limited by the friction and heat generated during sliding, so lubrication is necessary to maintain optimal efficiency. The worm and gear are usually made of dissimilar metals, such as phosphor-bronze or hardened steel. MC nylon, a synthetic engineering plastic, is often used for the shaft.
Worm gears are highly efficient in transmission of power and are adaptable to various types of machinery and devices. Their low output speed and high torque make them a popular choice for power transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm gear requires 2 shafts, 1 for each worm gear. Both styles are efficient in high-torque applications.
Worm gears are widely used in power transmission applications because of their low speed and compact design. A numerical model was developed to calculate the quasi-static load sharing between gears and mating surfaces. The influence coefficient method allows fast computing of the deformation of the gear surface and local contact of the mating surfaces. The resultant analysis shows that a single-throated worm gear can reduce the amount of energy required to drive an electric motor.
In addition to the wear caused by friction, a worm wheel can experience additional wear. Because the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the number of teeth on a worm wheel should not match its thread count. A single-throated worm gear shaft can increase the efficiency of a machine by as much as 35%. In addition, it can lower the cost of running.
A worm gear is used when the diametrical pitch of the worm wheel and worm gear are the same. If the diametrical pitch of both gears is the same, the 2 worms will mesh properly. In addition, the worm wheel and worm will be attached to each other with a set screw. This screw is inserted into the hub and then secured with a locknut.

Undercut worm gear

Undercut worm gears have a cylindrical shaft, and their teeth are shaped in an evolution-like pattern. Worms are made of a hardened cemented metal, 16MnCr5. The number of gear teeth is determined by the pressure angle at the zero gearing correction. The teeth are convex in normal and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are used when the number of teeth in the cylinder is large, and when the shaft is rigid enough to resist excessive load.
The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its safety. Enter a specific value for the bearing distance. Then, the software proposes a range of suitable solutions based on the number of teeth and the module. The table of solutions contains various options, and the selected variant is transferred to the main calculation.
A pressure-angle-angle-compensated worm can be manufactured using single-pointed lathe tools or end mills. The worm’s diameter and depth are influenced by the cutter used. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is cut too deep, it will result in undercutting. Despite the undercutting risk, the design of worm gearing is flexible and allows considerable freedom.
The reduction ratio of a worm gear is massive. With only a little effort, the worm gear can significantly reduce speed and torque. In contrast, conventional gear sets need to make multiple reductions to get the same reduction level. Worm gears also have several disadvantages. Worm gears can’t reverse the direction of power because the friction between the worm and the wheel makes this impossible. The worm gear can’t reverse the direction of power, but the worm moves from 1 direction to another.
The process of undercutting is closely related to the profile of the worm. The worm’s profile will vary depending on the worm diameter, lead angle, and grinding wheel diameter. The worm’s profile will change if the generating process has removed material from the tooth base. A small undercut reduces tooth strength and reduces contact. For smaller gears, a minimum of 14-1/2degPA gears should be used.
worm shaft

Analysis of worm shaft deflection

To analyze the worm shaft deflection, we first derived its maximum deflection value. The deflection is calculated using the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the area of the transverse section using CAD software. In our analysis, we used the results of the test to compare the resulting parameters with the theoretical ones.
We can use the resulting centre-line distance and worm gear tooth profiles to calculate the required worm deflection. Using these values, we can use the worm gear deflection analysis to ensure the correct bearing size and worm gear teeth. Once we have these values, we can transfer them to the main calculation. Then, we can calculate the worm deflection and its safety. Then, we enter the values into the appropriate tables, and the resulting solutions are automatically transferred into the main calculation. However, we have to keep in mind that the deflection value will not be considered safe if it is larger than the worm gear’s outer diameter.
We use a four-stage process for investigating worm shaft deflection. We first apply the finite element method to compute the deflection and compare the simulation results with the experimentally tested worm shafts. Finally, we perform parameter studies with 15 worm gear toothings without considering the shaft geometry. This step is the first of 4 stages of the investigation. Once we have calculated the deflection, we can use the simulation results to determine the parameters needed to optimize the design.
Using a calculation system to calculate worm shaft deflection, we can determine the efficiency of worm gears. There are several parameters to optimize gearing efficiency, including material and geometry, and lubricant. In addition, we can reduce the bearing losses, which are caused by bearing failures. We can also identify the supporting method for the worm shafts in the options menu. The theoretical section provides further information.

China Good quality Dk7763z Aluminum Alloy Wire Cut Machine, Single Cutting Machine near me supplier

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

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 CNC High Efficiency EDM Wire Cutting Machine with Hot selling

China factory Servo Direct Drive Cutting Machine with Wire with Great quality

Product Description

Main Features:
Powerful Servo Motor: High torque, average comprehensive energy saving is over 80%.
Safe Cutting: Xihu (West Lake) Dis.nized design.
Low Noise: below 60dB.
Adjsutable Speed: 4 gears can be adjusted to meet different cutting requests.
LED Light: keep work in dark environment.
Automatic Grinding: The blade becomes sharp by 3seconds pressing.
HSS Blade: more durable than ordinary blade by 5 times.
Light Weight: OnLy 1.1-1.3Kgs for different models.
Parameters:

Model	Voltage	Input Power	Blade Size	Cut Thickness	Speed	N.W
DWS-100	AC 220V±20%	3.6W-200W	100mm	27mm	800/1000/1200/1400	1.1Kg
DWS-100	AC 110V±20%	3.6W-200W	100mm	27mm	800/1000/1200/1400	1.1Kg
DWS-110	AC 220V±20%	3.6W-250W	110mm	32mm	800/1000/1200/1400	1.15Kg
DWS-110	AC 110V±20%	3.6W-250W	110mm	32mm	800/1000/1200/1400	1.15Kg
DWS-125	AC 220V±20%	3.6W-300W	125mm	40mm	800/1000/1200/1400	1.3Kg
DWS-125	AC 110V±20%	3.6W-300W	125mm	40mm	800/1000/1200/1400	1.3Kg
Inner Box(1pcs):31.52113CM Master Carton(10pcs):663242.5CM

Established in 2016. CZPT Technology is a professional manufacturer and exporter that is concerned with the design, development and production of cutting machine and sewing machine motor.We are located in HangZhou,ZHangZhoug with convenient transportation access and nice environment. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our factory havs over 210 employees, and we have a sales team with 10 persons.
90% of our main products are been currently exporting worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customers’ satisfaction.
As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching America,Canada,Austrilia,Japan,Romania,Pakistan,India ,south East Asia and so on. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact with us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

FAQ:
1)Q:Can we use our own logo design?
A:Yes, OEM and ODM are available in our factory,but MOQ is 500sets.Please send your request to our sales staff and specify the effect you want.

2)Q:How long is the sample lead time and is it free?
A:For existing samples, it takes 2-3 days. If there are special specifications,the days it will take is based on the different products.
All the samples are chargebale,but it can be reducted from the following bulk orders.

3)Q:When is the delivery time?
A:The production cycle of the minimum order quantity is 7-30 days. The specific time will be decided according to the quantity and requests.

4)Q:What is your terms of payment ?
A:Amount≤USD10,000,100% in advance.
Amount≥USD10,000,we accept 30% deposit, and 70% balance before delivery.

5)Q:Do you have any stock?
A:Yes, we have a small quantity in stock in off season.Pls try to avoid urgent orders,as the factory is busy nearly all through the year.

6)Q:How many colors are available?
A:We have the colors as the pictures show,if you want other colors,it is available if the quantity reaches to 500sets.

7)Q:Can we use our own packing design?
A:Yes, you can. Confirm all with the sales.

8)Q:Will you check the products before delivery?
A:We manufacture 100% new products. Testing before packing,spot-checking before shipment are normal processes.

9)Q:Your ports of shipment?
A: HangZhou and ZheJiang port.

10)Q:How can I arrive to your factory?
A: Our factory is located in HangZhou city, ZHangZhoug province,China.
HangZhou airport is the nearest airport,or you can come by train directly. We warmly welcome clients to come for visit and cooperation.

Standard Length Splined Shafts

Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
splineshaft

Disc brake mounting interfaces that are splined

There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes.
Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
splineshaft

Disc brake mounting interfaces that are helical splined

A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub.
The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic.
Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub.
Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone.
A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width.
Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate.
As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts.
Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.

China factory Servo Direct Drive Cutting Machine with Wire with Great quality

China supplier CNC High Accuracy Metal Working EDM Wire Cutting Machine near me manufacturer

Product Description

Product description

Technique parameters	Unit	DK7732ZB
Table size (WxD)	mm	440×680
Table travel (XxY)	mm	320×400
Table travel (UxV)	mm	140×140
Z-axis control		manual control
Z-axis guideway		slide guides
Max. workpiece weight	kg	600
Thickness of workpiece	mm	350
Max.taper angle		±15°/80mm
Diameter of cutting wire	mm	φ0.15~φ0.20mm(recommendφ0.18mm)
Feeding speed	m/sec	1~11.4m/sec adjustable
Precision	mm	≤0.015
Machining speed	mm²/min	>200
Surface roughness	μm	Ra≤2.5
Motor type		X,Y,U,V stepper motor
Control axis		4 axis simultaneous
Min. control pace	mm	0.001
Power supply		3N-380V/50Hz
Max. working current	A	12
Power consumption	Kw	1
Working liquid		JA-1
Water tank	L	55
Filtering mode		filter screen
Control System		Auto-cut
Machine weight	kg	1500
Machine dimensions	mm	1765×1170×2150

Factory

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 CZPT situation” makes TOPSCNC enjoy high reputation in this line.

It always keep a great ideal in mind, aims to create century brand and strive for top grade. The confidence comes from advanced product, strict quality control system and sustained technical innovation, comes from after-sales service all over the country and global market.

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

FAQ

Q: Are you trading company or manufacturer ?

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

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China supplier CNC High Accuracy Metal Working EDM Wire Cutting Machine near me manufacturer

China Good quality 2800mm 150t Single Wire Single Cylinder Toilet Paper Machine for Small Roll Factory wholesaler

Product Description

2800mm 250t/D Single Wire Single Cylinder Toilet Paper Machine For Small Roll Factory

1.Buying Xihu (West Lake) Dis.:

In order to recommend tissue paper making machine and make detailed technical proposal for you as soon as possible, please tell us the following technical parameters:

(1)What kind of paper do you want to produce?
(2)What kind of raw material you will use?
(3)How many tons do you want to produce per day(24hours)?
(4)What is the output paper width of jumbo roll?–mm;
(5)What is the output paper weight(thickness)?–gsm.

2.Technical Requirement

Paper grade	Toilet paper
Basis weight range	13-22g/m²
Net paper width	2800mm
Working speed	200m/min
Design speed	250m/min
Drive speed	250m/min
Balancing speed	250m/min
Reeling drum roll balance	250m/min
Crawling speed	25m/min
Capacity	10t/d
Rail gauge	3700mm
Layout type	A layer floor layout, sub-left, right hand arrangement
Banner quantitative difference	±1.5%
Wrinkle rate	25-35%
Drive type	Segment drive, AC variable speed control.

3.Main Equipments

Pulp Making Equipments
High contentration hydrapulper, Vibrating screen, Pressure Screen,Double disc pulp refiner, Pulp pump, Low concertration cleaner,Impeller, High concentration cleaner, High speed washer, Decker thickener, Fiber separator, Rejector separator

Paper Making Equipments
Headbox, Cylinder mold, Cylinder vat, Touch roll, Press roll, Leading roll, Dryer, Sizing machine, Calender machine, Winding machine, Rewinder, Foundation frame.

4.Raw material

1.Waste paper and virgin pulp
2.Wood , rice straw, cotton, bagasse, bamboo etc.
There will be different structures of pulp making line with different raw materials . So please make it clear in your requirements. Then we will recommend suitable machine to you.

5.Flow Chart

6.Final Product

7.Company Profile

HangZhou City HangZhou Paper Making machinery Co.,Ltd has developed into a much more competitive company since
establishment in 1999. We mainly manufactures all kinds of paper machines, toilet paper production line, Kraft paper production line, copy/writing paper production line. We have 4 paper machine producing workshops and 1 international trade department, and more than 110 workers and more than 20 engineers. Our factory total area is 20,000(96000)square meters. We sincerely welcome clients from all over the world visit our factory, any requirement, please contact via email, we will reply you as the first priority.

A.Business scope:
1.various pulp making machine;
2.various paper making machine;
3.various paper processing machine;
4.various spare parts;
5.Technical service,such as installation,improve old paper machine.

B.Technology Strength:
1.1 professional technician team of 116 engineers and 12 experts;
2.35 years rich practice experience;
3.1 innovative research team,always follow the advanced technology of Finland,Denmark and Italy;
4.skilled and careful installation team.

C. Our market:
Our machine sells well in more than 30 countries and regions, such as Moscow, USA, Canada, Brazil, Paraguay, Australia, Uzbekistan, Kazakhstan, Kyrghyzstan, Tajikhstan, Mogolia, Nigeria, Uganda, Egypt, Ethiopia, Bangladesh, Pakistan, Bhutan, Indonesia, Fiji Island, Saudi Arabia, Oman, Algeria, Syria, Libya,etc.
High quality and perfect service have reserved customer’s praise and more orders,we also establish good strategic cooperation with our client.

8.Packing & Delivery

Kraft Paper Making Machine Fixed all the movable parts with plastic films.
Polystyrene foam plate wrapped around.
Wrapped with tight plastic films several circles.
Fixed machine on the fumigated plywood pallet with iron wire.
Wrapped with wooden board around and nailed on.

9. Design and installation:

1.We have professional team with rich experience of paper mill designed by CAD software.You only need to tell us your land dimension,we will make your future paper mill design.
2. We have very large engineer installation team,they can train and teach your worker to operate paper machine, but you should pay them salary.

10.About Our Service

Pre-sale Service
—-24 hours phone, email, trade manager online services;
—-We will supply the detailed project report, detailed general drawing, detailed flow process design, detailed layout factory drawing for you until meet your requirement;
—-we welcome you to come to our paper making machine factory and paper mill factory to have a look and check;
—-We will tell you all the necessary cost when set up a paper mill factory;
—-We will answer you all the questions within 24 hours;
—-We will send you various quality paper samples made by our paper machine for free;
—-We can supply turn key-project service.
On-purchase Service
—-We will accompany you to check all the equipment made by us, and help you to make the plan of installation;
—-We will supply paper machine assembly drawing, the foundation and foundation load diagram, transmission diagram, formal installation drawing, use and installation instructions and a full set of technical data after signing the contract.
After-sales Service
—-We will delivery the machine as soon as possible according to your requirement, within 50 days;
—-We will send rich practiced experience engineers to you to install and test the machine and train your worker for free;
—-We will give you 1 year guarantee time after the machine can run well;
—-After 1 year, we can CZPT and help you to maintain the machines;
—-Every 2 years, we can help to overhaul the complete machines for free;
—-We will send you spare part in lower price.

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 Good quality 2800mm 150t Single Wire Single Cylinder Toilet Paper Machine for Small Roll Factory wholesaler