Tag Archives: toilet paper making machine

China manufacturer 1575mm Small Toilet Paper Making Machine Price 5tpd Made Leading Manufacturer near me factory

Product Description

1575mm Small toilet paper making machine price 5TPD made leading manufacturer 

Product Description

The 1575 model Tissue T paper making machine is used for making samll roll paper, beside this, we can also supply many other kind of paper making machins with different paper width. such as kraft paper making machine, culture paper making machine, duplex paper making machine, coated board paper making machine.

The paper pulp raw material can be used waste paper, recycling board, books, cotton, wood, straw, sugarcane, wheat straw, rice straw,bamboo, reed, and other raw materials, they will be deal with to become good pulp for making paper.

Size Information
 

Raw material recycling wasted paper or virgin pulp
Output paper Tissue T paper
Net paper width 1575mm
Capacity 5TPD
Paper weight 13-30g/m2
Gague 2400mm
working speed 80-160m/min
Transmission type AC variable frequency drive division

Packing&Shipping

Products will packaged according to their shapes, weight, transport distance and transport modes.   Large machines will be packaged in sections.every part export machinery will be in standard export package seaworthy wooden case waterproof film, straw rope, carton box etc.

After Sales Service

Before Purchase:  
1.Help customers find the right product by professional technology and business consultation 
2.Provide plans of the machines installation freely
3.Make customized products according to the clients requirements 
4.Online for 24 hours    

After purchase:  
1.Fast and saft delivery 
2.Assist our clients to bulid the equipment
3.Train the first-line operators on site 
4.Regularly visit clients to solve production problems
5.Online for 24 hour

Company Introduction

HangZhou CZPT Machinery Manufacturing Co., Ltd. was founded in 1985, according to the modern enterprise mechanism into a large-scale standardized joint-stock enterprises, with 278 workers,including 23 engineers and technicians,15 senior engineers.In general, CZPT is in the leading place of paper-making industry in China Our factory covers an area of about 60000 square meters, has a technical research and development department, 8 large modern processing workshops, and a quality inspection center, with more than 50 large and medium-sized equipment and scientific research design, manufacturing, testing, assembly and debugging and a series of functions. The company has passed ISO9001:2000 international quality management system certification, self-supporting and export rights. Papermaking machine and papermaking machine parts is our company’s main product.Our factory can produce mechanical pulping equipment, chemical pulping equipment, paper scrap deinking equipment, pulping and paper-making sewage treatment equipment, paper-plastic of CZPT paper separating equipment, etc.We will provide whole services according to our clients’ demand, like technical design, equipment production, installation and test instruction and so on. We will meet and exceed your expectations. Please contact our custom service for details

Certification
The company has passed ISO9001:2000 international quality management system certification, self-supporting and export rights.

Exhibition and Customer visit

We take part in exhibitions related paper machine to show our product and technical,and we welcome all the customers to visit our factory .

Contact us

Sophia
 
 

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
screwshaft

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China manufacturer 1575mm Small Toilet Paper Making Machine Price 5tpd Made Leading Manufacturer near me factory China manufacturer 1575mm Small Toilet Paper Making Machine Price 5tpd Made Leading Manufacturer near me factory

China OEM Cost of Small Toilet Tissue Napkin Paper Making Machine near me factory

Product Description

cost of small toilet tissue napkin paper making machine

Why choose us

Product Description

PRODUCT  INTRODUCTION
 

There  are many models and different capacity toilet tissue paper machine production line,such as 787/1092/1575/1880/2000
/2400/2880/3600model and so on. The toilet paper rolls making machine  is a set of production line from waste paper
recycled/vigin pulpboard to finished paper,also called: paper tissue making machine jumbo roll machine toilet paper making
machine tissue roll plant.

Detailed Photos

PRODUCT  CONFIGURATION

Product Name

  cost of small toilet tissue napkin paper making machine

Paper Machine Model 

SF-787

SF-1092

SF-1575

SF-1880

 SF-2880

Outpaper width(mm)

 787-900

1200

1750

1880-2000

 2880MM

Gauge(mm)

1300

1800

2400

2800

3250

Machine Capacity(T/D)

0.8-1

1.5-3

3-5

5-7

 10

Cylinder mold specification(mm)

φ 700*1100

 φ1000- 1250*1450

φ1250-1500*1950

 φ1500*2350

φ2000×3150mm

Dryer specification(mm)

φ1000*1100

φ1500-2500*1450

φ1500-3000*2000

φ2500*2350

 φ3000×3250mm

Work speed(m/min)

20-40

20-80

100-150

100-180

  

 Raw material

Waste paper ;Virgin Pulp Board;Waste paper &Vigin Pulp Board Mixed

Output paper style

Jumbo Roll Paper

Paper weight

15-40g/m2

Drive mode

Reduce drive(250type reducer)

Warranty

12 months

Time of delivery

15-30days

                                                                               
                                                                                    Click Here To Get Inquiry

Raw Materials
The following raw materials is made into paper pulp with paper pulp equipments (such as hydrapulper etc.) ,then paper pulp is
made into paper with tissue paper machine.
 
Final Paper Product
The machine can make the paper pulp into these final paper product:
             

Purchase guide

In order to provide better service,plz let me know your detailed requirements for tissue paper machine    

                   <> For final paper,which step will you start to procuce?
Type Name Detailed Requirements List
Type A From step 1–Papermaking 1. What machine capacity do you want (ton/day)
2.What jumbo roll paper width do you want ?(mm)
3.What boiler type do you want (coal,gas,feul boiler )
Type B From Step 4–Paperprocessing 0.Jumbo roll paper width do you use?(mm) 

                                                                                   → Click Here To Get More ←

           <> What final paper do you want?
NO. Name Detailed Requirements  List
Line 01 Toilet paper 0.You want toilet paper with tube or without tube? 
Line 02 Facial Tissue 1.What facial tissue size do you want?  2.Soft  facial tissue or box tissue
Line 03

Napkin paper 

 1.Napkin paper unfolded size you need  2.need or color printing or not?
Line 04 Handkerchief paper 0.Handkerchief paper size

                                             → Click Here To Get More ←

Packaging & Shipping

Packing&Shipping

Egg tray machine will be packaged according to their shapes, weight, transport distance and transport modes . 

01-The dryer is packed with wood chips for protecting its surface
02- The large diameter roll is packed with wood chips.
03- The steel rolls are packed with plastic film and straw ropes.
04- Electric control cabinet is packed with three-ply board box.
05- Some parts are nude cargo. 

Company Profile

Company Profile

 HangZhou Shunfu Paper Making Machinery Co.,Ltd located  in HangZhou  city ZheJiang province,China,is a leading professional paper machine manufacturer in China with best quality 
and perfect service&good reputation for 30+ years.
In 2571 year,our second new facotry is built.

 

FAQ

Q1:Are you a factory of paper making machine?
A1:Yes,we are.Our factory founded in 1988.Now we have 2 factories.

Q2:What information do you need,if i need to get a quotation from you?
A2:Output paper type;Capacity(tons/24hours);Output paper weight(gram/m2);Raw material

Q3: What’s the payment method?
A3:We can accept T/T,L/C and credit card.

Q4:How long is the guarantee period for paper making machine?
A4: 12 months after the pending operational

Q5:Can I visit your company?    
A5:Yes, you can.Welcome. Our company located in HangZhou city of ZheJiang province. if you take plane,
it will need about 2 hours from HangZhou city, we will pick you up from airport as well as the train station.
We will take you to see our machine running in our chinese clients’ paper mill. welcome you and your team
to visit us at any time!

   LINE 1. If you arrive in ZheJiang , you can take the plane or the high-speed rail to HangZhou ZheJiang ,
  about700kilometers.   We’ll have someone pick you up in HangZhou.
   Line 2. If you arrive in ZheJiang , you can take the plane or the high-speed rail to HangZhou  ZheJiang , about  1000 kilometers. We’ll have someone pick you up in HangZhou.
  LINE 3. If you arrive in HangZhou, you can take the plane or the high-speed rail to HangZhou ZheJiang ,
about 1500kilometers.    We’ll have someone pick you up in HangZhou.
   LINE 4. If you arrive in Yi wu zhengjiang, you can take the plane or the high-speed rail to HangZhou ZheJiang ,       about 900kilometers. We’ll have someone pick you up in HangZhou.

                                             → Click Here To Get More ←

Calculating the Deflection of a Worm Shaft

In this article, we’ll discuss how to calculate the deflection of a worm gear’s worm shaft. We’ll also discuss the characteristics of a worm gear, including its tooth forces. And we’ll cover the important characteristics of a worm gear. Read on to learn more! Here are some things to consider before purchasing a worm gear. We hope you enjoy learning! After reading this article, you’ll be well-equipped to choose a worm gear to match your needs.
worm shaft

Calculation of worm shaft deflection

The main goal of the calculations is to determine the deflection of a worm. Worms are used to turn gears and mechanical devices. This type of transmission uses a worm. The worm diameter and the number of teeth are inputted into the calculation gradually. Then, a table with proper solutions is shown on the screen. After completing the table, you can then move on to the main calculation. You can change the strength parameters as well.
The maximum worm shaft deflection is calculated using the finite element method (FEM). The model has many parameters, including the size of the elements and boundary conditions. The results from these simulations are compared to the corresponding analytical values to calculate the maximum deflection. The result is a table that displays the maximum worm shaft deflection. The tables can be downloaded below. You can also find more information about the different deflection formulas and their applications.
The calculation method used by DIN EN 10084 is based on the hardened cemented worm of 16MnCr5. Then, you can use DIN EN 10084 (CuSn12Ni2-C-GZ) and DIN EN 1982 (CuAl10Fe5Ne5-C-GZ). Then, you can enter the worm face width, either manually or using the auto-suggest option.
Common methods for the calculation of worm shaft deflection provide a good approximation of deflection but do not account for geometric modifications on the worm. While Norgauer’s 2021 approach addresses these issues, it fails to account for the helical winding of the worm teeth and overestimates the stiffening effect of gearing. More sophisticated approaches are required for the efficient design of thin worm shafts.
Worm gears have a low noise and vibration compared to other types of mechanical devices. However, worm gears are often limited by the amount of wear that occurs on the softer worm wheel. Worm shaft deflection is a significant influencing factor for noise and wear. The calculation method for worm gear deflection is available in ISO/TR 14521, DIN 3996, and AGMA 6022.
The worm gear can be designed with a precise transmission ratio. The calculation involves dividing the transmission ratio between more stages in a gearbox. Power transmission input parameters affect the gearing properties, as well as the material of the worm/gear. To achieve a better efficiency, the worm/gear material should match the conditions that are to be experienced. The worm gear can be a self-locking transmission.
The worm gearbox contains several machine elements. The main contributors to the total power loss are the axial loads and bearing losses on the worm shaft. Hence, different bearing configurations are studied. One type includes locating/non-locating bearing arrangements. The other is tapered roller bearings. The worm gear drives are considered when locating versus non-locating bearings. The analysis of worm gear drives is also an investigation of the X-arrangement and four-point contact bearings.
worm shaft

Influence of tooth forces on bending stiffness of a worm gear

The bending stiffness of a worm gear is dependent on tooth forces. Tooth forces increase as the power density increases, but this also leads to increased worm shaft deflection. The resulting deflection can affect efficiency, wear load capacity, and NVH behavior. Continuous improvements in bronze materials, lubricants, and manufacturing quality have enabled worm gear manufacturers to produce increasingly high power densities.
Standardized calculation methods take into account the supporting effect of the toothing on the worm shaft. However, overhung worm gears are not included in the calculation. In addition, the toothing area is not taken into account unless the shaft is designed next to the worm gear. Similarly, the root diameter is treated as the equivalent bending diameter, but this ignores the supporting effect of the worm toothing.
A generalized formula is provided to estimate the STE contribution to vibratory excitation. The results are applicable to any gear with a meshing pattern. It is recommended that engineers test different meshing methods to obtain more accurate results. One way to test tooth-meshing surfaces is to use a finite element stress and mesh subprogram. This software will measure tooth-bending stresses under dynamic loads.
The effect of tooth-brushing and lubricant on bending stiffness can be achieved by increasing the pressure angle of the worm pair. This can reduce tooth bending stresses in the worm gear. A further method is to add a load-loaded tooth-contact analysis (CCTA). This is also used to analyze mismatched ZC1 worm drive. The results obtained with the technique have been widely applied to various types of gearing.
In this study, we found that the ring gear’s bending stiffness is highly influenced by the teeth. The chamfered root of the ring gear is larger than the slot width. Thus, the ring gear’s bending stiffness varies with its tooth width, which increases with the ring wall thickness. Furthermore, a variation in the ring wall thickness of the worm gear causes a greater deviation from the design specification.
To understand the impact of the teeth on the bending stiffness of a worm gear, it is important to know the root shape. Involute teeth are susceptible to bending stress and can break under extreme conditions. A tooth-breakage analysis can control this by determining the root shape and the bending stiffness. The optimization of the root shape directly on the final gear minimizes the bending stress in the involute teeth.
The influence of tooth forces on the bending stiffness of a worm gear was investigated using the CZPT Spiral Bevel Gear Test Facility. In this study, multiple teeth of a spiral bevel pinion were instrumented with strain gages and tested at speeds ranging from static to 14400 RPM. The tests were performed with power levels as high as 540 kW. The results obtained were compared with the analysis of a three-dimensional finite element model.
worm shaft

Characteristics of worm gears

Worm gears are unique types of gears. They feature a variety of characteristics and applications. This article will examine the characteristics and benefits of worm gears. Then, we’ll examine the common applications of worm gears. Let’s take a look! Before we dive in to worm gears, let’s review their capabilities. Hopefully, you’ll see how versatile these gears are.
A worm gear can achieve massive reduction ratios with little effort. By adding circumference to the wheel, the worm can greatly increase its torque and decrease its speed. Conventional gearsets require multiple reductions to achieve the same reduction ratio. Worm gears have fewer moving parts, so there are fewer places for failure. However, they can’t reverse the direction of power. This is because the friction between the worm and wheel makes it impossible to move the worm backwards.
Worm gears are widely used in elevators, hoists, and lifts. They are particularly useful in applications where stopping speed is critical. They can be incorporated with smaller brakes to ensure safety, but shouldn’t be relied upon as a primary braking system. Generally, they are self-locking, so they are a good choice for many applications. They also have many benefits, including increased efficiency and safety.
Worm gears are designed to achieve a specific reduction ratio. They are typically arranged between the input and output shafts of a motor and a load. The 2 shafts are often positioned at an angle that ensures proper alignment. Worm gear gears have a center spacing of a frame size. The center spacing of the gear and worm shaft determines the axial pitch. For instance, if the gearsets are set at a radial distance, a smaller outer diameter is necessary.
Worm gears’ sliding contact reduces efficiency. But it also ensures quiet operation. The sliding action limits the efficiency of worm gears to 30% to 50%. A few techniques are introduced herein to minimize friction and to produce good entrance and exit gaps. You’ll soon see why they’re such a versatile choice for your needs! So, if you’re considering purchasing a worm gear, make sure you read this article to learn more about its characteristics!
An embodiment of a worm gear is described in FIGS. 19 and 20. An alternate embodiment of the system uses a single motor and a single worm 153. The worm 153 turns a gear which drives an arm 152. The arm 152, in turn, moves the lens/mirr assembly 10 by varying the elevation angle. The motor control unit 114 then tracks the elevation angle of the lens/mirr assembly 10 in relation to the reference position.
The worm wheel and worm are both made of metal. However, the brass worm and wheel are made of brass, which is a yellow metal. Their lubricant selections are more flexible, but they’re limited by additive restrictions due to their yellow metal. Plastic on metal worm gears are generally found in light load applications. The lubricant used depends on the type of plastic, as many types of plastics react to hydrocarbons found in regular lubricant. For this reason, you need a non-reactive lubricant.

China OEM Cost of Small Toilet Tissue Napkin Paper Making Machine near me factory China OEM Cost of Small Toilet Tissue Napkin Paper Making Machine near me factory

China Custom Small Toilet Paper Roll Making Machine Production Line with high quality

Product Description

Small Toilet Paper Roll Making Machine Production Line

Brief Introduction:

GM-1092mm 1-3T/D Toilet Tissue Paper Making Machinery:
This production line can recycle waste paper to make toilet paper, finished product is paper roll, it include following section:
1.Pulp making production line;
2.Paper making production line;
3.Paper converting section;
4.Boiler section ;

Finished Paper Product:

Technical Data:

Output paper

top quality toilet paper,tissue paper

Raw material

Waste paper, virgin pulp;

Output weight

13-40g/m²

Net width

1092mm(adjust according to clients’ requirement).

Wire width

1450mm

Capacity

1-3tons per day

Rail gauge

1800mm
Design speed

150-180m/min

Working speed

120-150m/min

Drives

AC converter frequency conversion, adjustable speed, drive step by step 

 

Main Frame of The Equipment:

 Part Name

Equipment

Specification

Qty(set)

Mesh cylinder Part

cylinder mould

Φ1500mm×1800mm

1
 

couch roll

Φ400mm×1800mm

1
 

Shore hardness is HS-38°±2.

Dryer part

dryer can

Φ2000mm×1800mm

1
 

touch roll

Φ450mm×1800mm

1
 

Equipped with a group scraper, the shore hardness is HS-90º±2,pneumatic pressurizing device.

Drives and controlling part

AC frequency converting speed regulation, drive part by part.

CAD Drawing of 1092mm 1t/d paper making machine:

Packaging:
1.Fixed all the movable parts with plastic films.
2.Polystyrene foam plate wrapped around.
3.Wrapped with tighted plastic films several circles.
4.Fixed machine on the fumigated plywood pallet with iron wire.
5.Wrapped with wooden board around and nailed on.
Shipments;
1 sea transportation is from HangZhou seaports or other ports.
2 the delivery time is decided by your needed machines or machine parts.But it also follows your needs.

Perfect service :
1.We can supply technical consulting and feasibility report according to client’s current condition ;
2.We can make detail design of workshop and whole factory ;
3.We supply complete installation and test machine ;
4.We train client’s engineer and worker for free ;
5.We supply spare part with best price ;

Company Information:
HangZhou Guangmao machinery manufacturing co.,ltd has developed into a much more competitive company since establishment in 1982.Our complete paper production line sells well in international market, such as Russia,Indonesia,Uzbekistan,Tajikistan,Nigeria,Uganda,Pakistan,Egypt,Bhutan,Fiji,
Brazil,Paraguay,Syria,Libya etc.We also establish good strategic cooperation with local distributor.Mainlymanufactures 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 more than 110 workers and more than 20 engineers.Our factory total area is 20,000 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.We have passed CE, SGS, ISO quality system certification and all manufacture processes are conducted by the standard strictly.

FAQ:
1.Why we choose your company, what could you do for me?
We have established for 10 years and have the stable production experience.
We use the best steel to guarantee the products’ quality
Warranty:We make our machines 1 year warranty.
We will always give you heart to heart service
We always speak with facts and quality

2.How we visit your factory and what will be the procedure?
Our company located in HangZhou city,ZheJiang province, if you take plane, it needs about 2 hours from HangZhou city, 1.5hours from ZheJiang city and 1 hour from ZheJiang .We will pick you up from airport as well as the train station.We will take you to see our machine running in our Chinese clients’ paper mill.Welcome you and your team to visit us at any time!

3.Could your engineer teach and train our worker and stay in our factory for long time?
Yes, we have very large engineer installation team,they can train and teach your worker to operate paper machine,but you should pay them salary.

4.How much water, electricity should I prepare for producing 1 ton finished paper?
(1) Clean water:5M3
(2) Electricity:250kw/h

5.Which kind of chemical I should prepare:
(1) Deinking agent
(2) Dispersing agent
(3) Bleaching agent

6.How about your company orders?
(1)One set of paper machine line or part is supported by us
(2) If we have urgent needs, we’ll do it for you.

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
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Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
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Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

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