Tag Archives: packing machine

China Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine with Great quality

Product Description

Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making machine

 

 


Wet wipes production line:
1.Control driving system:PLC,GOT operation interface,precision transmission by servo motor.
2.Unwinding mechanism:independent drive of unwinding device,automatic control of tension.
3.Folding and traction mechanism:various adjustable folding ways,synchronous transmission by servo traction.
4.Quantitative humidifying system:two sets of shower pipes,uniform humidifying in 2.5-4.0 times scope.
5.Rotary cutting-off system:cut off by rolling cutter synchronously,cutting length controlled precisely,flexible and easy adjustable nonwovens length.
6.Folding and conveying device:folded neatly by manipulators,synchronous and flexible transmission of wet wipes.
7.Bag making and forming device:tension of the film and width and height of packing bags can be adjustable automatically.
8.Packaging,cutting and sealing device:adopting ZheJiang Rufong vertical sealing technology,advanced horizontal sealing of Chinese mainland.The seal is firm and beautiful.
9.Safety guarantee system:Fixed,movable and closed preventive device,conforming to ISO14120:20571.

 

Applicable materials

Spunlace nonwoven,therbond,degradable non-woven fabrics,

wet strength paper etc

Specification of nonwovens Max W260mm,Φ1200mm
Applicable packing materials PET/PE BOPP CPP PET/AL and other hot sealable materials
Film rolling specification Max W230mm,Φ360mm
Size of wet wipes L:55-110mm W:30-60mm
Unfolded size L:110-220mm W:140-260mm
Packing size L:80-200mm W:40-70mm
Product capacity 80-200 bags/min
Source of air required 0.6-0.8Mpa,100L/min
Power AC220V 50/60Hz,8KW
Size of the whole machine L:4000mm,W:3000mm,H:2000mm
Machine net weight About 2200kg

 

 

Packaging & Shipping

1. Packaging:

Packed by standard import & export wooden cases or carton boxes.

2. Shipping:

By logistics; by automobile; by train; by shipping; by air etc.

 

Company Information

 

 

Our Services

1.We have more than15 years manufacture and export experience.
2.Exporting to all over the world,win high reputation among customers.
3.CE, ISO 9001 and Strict Production Xihu (West Lake) Dis.line to guarantee the high quality of our products.
4.Near the HangZhou port convenient for exporting.
5.Customer service staff 24 hours online,offer free technical support.
6.Factory and Competitive Price we offer.
7.Strong Research & Development technical team.
8.Various machinery to meet all your needs at our factory.
9.Engineers are available to CZPT the installation and take care of other problems.
10.We offer OEM&ODM service to meet all your requirements.

 

FAQ

1.Q:Are you trading company or manufacturer?
A:We are original equipment manufacturer.
2.Q:How long is your delivery time?
A:It is according to the model and quantity.Generally it is 3-5 days if the product are in stock.It will be 15-30 days if you want to customize the product.
3.Q:Do you provide samples? ls it free or extra?
A:Yes,we could offer you the sample.But it’s not free.
You need to pay for the sample and the cost of freight.
4.Q:What is your terms of payment?
A:We accept T/T,Westerm Union,Money Gram,Paypal,etc.
Payment 

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.
splineshaft

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.
splineshaft

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
splineshaft

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine   with Great qualityChina Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine   with Great quality

China wholesaler Qlf-1680 Electronic Continuous Auto Sealing Machine Band Sealer Bag Vertical Packing Sealer Machine near me factory

Product Description

Pictures show
      100% real image shooting,what you see what you get!      

Vertical Auto Rice Heating Sealing Machine Packaging Machinery  for Plastic Big Bags    

This sealer is in the function on continuous carrying, sealing and printing in 1 operation. The machine can be made horizontally, vertically or with stand feet. It adopts electronic constant temperature mechanism and stepless speed regulating transmission motor. It can seal plastic film in various kinds of materials.

 

Specifications
     Extraordinary quality, constant innovation!     

Model

QLF-1680

Voltage

110V/220V 50-60Hz

Sealing speed

0-13m/min (can adjust)

Sealing width

15mm

Temperature range

0-300°C

Packing height

50-700mm (can adjust)

Max.loading

15kg

Heating power

800W

Sealing length

No limit

Count value

≤99999

Machine size (L *W* H)

1700*750*1600mm

Weight

180Kg

 

 

Details Partial Show
       Product details are refinement and intuitive!        

 

Samples Show
           Accuracy ,Perfectly!           

Taking double cylinders drive as the stitching power.Adopts time replay to control the bag sealing,sealn cooling,accurate and adjustable. Suitable for big bag firmed sealing in chemical industry, food, medicine, cosmetic.

 

Factory show
       Strong Team, 3000 square meters own Factory and workshop!       

Honor Show
      Exporter CE Certificater and 15 patents!    

FAQ
Frequently asked questions

Q1: Are you a factory or trading company?
A1: We are a factory specialized in daily cosmetic, foods, beverage, Pharmastic Filling Capping and Labeling Machine and whole production line. Such as, Liquid Filling Machine Paste Filling Machine , automatic capping machine ,semi-automatic capping machine,automatic labeling Machine and semi-automatic machine ,coding machine and other packaging mahcine.filling and other packing machines.

Q2: Where is your factory location? How can I visit there?
A2: Our factory is located in HangZhou, China. You could visit us by high speed train or by plane). It’s only 15 minutes from our factory to HangZhou South Train station .It’s only 30 minutes from our factory to HangZhou Yonqiang International Airport. then we could arrange a car to pick you up there.

Q3: How does your factory do regarding quality control?
A3: Quality is priority. People from CZPT always attach great importance to quality controlling from the beginning to the end. We support to inspect machine before shipment Our factory has gained CE authentication

Q4: What’s the guarantee if we purchase from you?
A4: All the equipment ordered from us will provide 1 year guarantee from the delivery date .If there is any main parts be broken within the warranty and isn’t caused by improperly operation then we would offer the new parts for free and we do prepare for 1 set wearing part come with the machine.

Q5: How about the after service?
A5: There’s no problem we could send our engineer to install or fix the machine locally in due course but customer need to pay the round air tickets cost and arrange the hotel accommodation for our engineer and engineer daily salary USD150/day.Ours service Team will reply you in 12hours by email, and in time reply by or as soon as possible when you have any questions.

More product List for reference

Filling machine Liquid Filling Machine
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  Pure water filling machine
  Beverage filling machine
  Filling line filling machine
  Automatic packing filling machine
  Food filling machine
  10-1000ml liquids filling machine
  Alcohol filling machine
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  100ml tin can filling machine
  powder filling machine pouch
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  Beverage-Processing filling Machinery
  Wine filling machine
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Cap machine Capping machine
  Bottle capping machine
 
Filling Capping Machine
 
Automatic Cap Sealing Machine
 
Automatic Locking Cap Machine
 
Locking Cap Machine
 
Bottle Capping cap machine
 
Liquids Cap Machines
 
Water Capping Machine
 
Water Packing Machine
 
50mm Bottle High Capping Machine
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Label machine Automatic Labelling Machine
  Flat Labeling Machine
 
Bottle Labeling Machine
 
Automatic Cosmetic Bottle Labeling Machine
 
Automatic Daily Chemical Bottle Labeling Machine
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Pharmaceutical Labeling Machine
 
Skin Care Products Labeling Machine
 
Hair Care Productis Labeling Machine
 
round bottle labeling machine
 
paper tube labeling machine
 
labeller
 
sticker labeling machine
 
sticker labeling machine
Sealing machine Bags sealing machine
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Sealing Machinery
 
Heat Sealer
 
impulse sealer
 
bread machine
 
semi automatic verticsl can sealing machine
 
manual aluminum foil induction sealer
 
vacuum packing machine
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manual cup sealing machine
  Food sealing machine
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  Powder sealer
  Plastic bags sealing machine
  Rice sealing packing machine
  Eggs sealing packing machine
  Salt sealing packing machine
  Bean sealing packing machine
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  Continuous bag heat sealing sealer machine
  Tea latte coffee paper bag packing sealing machine

What is a driveshaft and how much does it cost to replace one?

Your vehicle is made up of many moving parts. Knowing each part is important because a damaged driveshaft can seriously damage other parts of the car. You may not know how important your driveshaft is, but it’s important to know if you want to fix your car. In this article, we’ll discuss what a driveshaft is, what its symptoms are, and how much it costs to replace a driveshaft.
air-compressor

Repair damaged driveshafts

A damaged driveshaft does not allow you to turn the wheels freely. It also exposes your vehicle to higher repair costs due to damaged driveshafts. If the drive shaft breaks while the car is in motion, it may cause a crash. Also, it can significantly affect the performance of the car. If you don’t fix the problem right away, you could risk more expensive repairs. If you suspect that the drive shaft is damaged, do the following.
First, make sure the drive shaft is protected from dust, moisture, and dust. A proper driveshaft cover will prevent grease from accumulating in the driveshaft, reducing the chance of further damage. The grease will also cushion the metal-to-metal contact in the constant velocity joints. For example, hitting a soft material is better than hitting a metal wall. A damaged prop shaft can not only cause difficult cornering, but it can also cause the vehicle to vibrate, which can further damage the rest of the drivetrain.
If the driveshaft is damaged, you can choose to fix it yourself or take it to a mechanic. Typically, driveshaft repairs cost around $200 to $300. Parts and labor may vary based on your vehicle type and type of repair. These parts can cost up to $600. However, if you don’t have a mechanical background, it’s better to leave it to a professional.
If you notice that 1 of the 2 drive shafts is worn, it’s time to repair it. Worn bushings and bearings can cause the drive shaft to vibrate unnecessarily, causing it to break and cause further damage. You can also check the center bearing if there is any play in the bearing. If these symptoms occur, it is best to take your car to a mechanic as soon as possible.
air-compressor

Learn about U-joints

While most vehicles have at least 1 type of U-joint, there are other types available. CV joints (also known as hot rod joints) are used in a variety of applications. The minor axis is shorter than the major axis on which the U-joint is located. In both cases, the U-joints are lubricated at the factory. During servicing, the drive shaft slip joint should be lubricated.
There are 2 main styles of U-joints, including forged and press fit. They are usually held in place by C-clamps. Some of these U-joints have knurls or grooves. When selecting the correct fitting, be sure to measure the entire fitting. To make sure you get the correct size, you can use the size chart or check the manual for your specific model.
In addition to lubrication, the condition of the U-joint should be checked regularly. Lubricate them regularly to avoid premature failure. If you hear a clicking sound when shifting gears, the u-joint space may be misaligned. In this case, the bearing may need to be serviced. If there is insufficient grease in the bearings, the universal joint may need to be replaced.
U-joint is an important part of the automobile transmission shaft. Without them, your car would have no wheeled suspension. Without them, your vehicle will have a rickety front end and a wobbly rear end. Because cars can’t drive on ultra-flat surfaces, they need flexible driveshafts. The U-joint compensates for this by allowing it to move up and down with the suspension.
A proper inspection will determine if your u-joints are loose or worn. It should be easy to pull them out. Make sure not to pull them all the way out. Also, the bearing caps should not move. Any signs of roughness or wear would indicate a need for a new UJ. Also, it is important to note that worn UJs cannot be repaired.

Symptoms of Driveshaft Failure

One of the most common problems associated with a faulty driveshaft is difficulty turning the wheels. This severely limits your overall control over the vehicle. Fortunately, there are several symptoms that could indicate that your driveshaft is failing. You should take immediate steps to determine the cause of the problem. One of the most common causes of driveshaft failure is a weak or faulty reverse gear. Other common causes of driveshaft damage include driving too hard, getting stuck in reverse gear and differential lock.
Another sign of a failed driveshaft is unusual noise while driving. These noises are usually the result of wear on the bushings and bearings that support the drive shaft. They can also cause your car to screech or scratch when switching from drive to idle. Depending on the speed, the noise may be accompanied by vibration. When this happens, it’s time to send your vehicle in for a driveshaft replacement.
One of the most common symptoms of driveshaft failure is noticeable jitter when accelerating. This could be a sign of a loose U-joint or worn center bearing. You should thoroughly inspect your car to determine the cause of these sounds and corresponding symptoms. A certified mechanic can help you determine the cause of the noise. A damaged propshaft can severely limit the drivability of the vehicle.
Regular inspection of the drive shaft can prevent serious damage. Depending on the damage, you can replace the driveshaft for anywhere from $500 to $1,000. Depending on the severity of the damage and the level of repair, the cost will depend on the number of parts that need to be replaced. Do not drive with a bad driveshaft as it can cause a serious crash. There are several ways to avoid this problem entirely.
The first symptom to look for is a worn U-joint. If the U-joint comes loose or moves too much when trying to turn the steering wheel, the driveshaft is faulty. If you see visible rust on the bearing cap seals, you can take your car to a mechanic for a thorough inspection. A worn u-joint can also indicate a problem with the transmission.
air-compressor

The cost of replacing the drive shaft

Depending on your state and service center, a driveshaft repair can cost as little as $300 or as high as $2,000, depending on the specifics of your car. Labor costs are usually around $70. Prices for the parts themselves range from $400 to $600. Labor costs also vary by model and vehicle make. Ultimately, the decision to repair or replace the driveshaft will depend on whether you need a quick car repair or a full car repair.
Some cars have 2 separate driveshafts. One goes to the front and the other goes to the back. If your car has 4 wheel drive, you will have two. If you’re replacing the axles of an all-wheel-drive car, you’ll need a special part for each axle. Choosing the wrong 1 can result in more expensive repairs. Before you start shopping, you should know exactly how much it will cost.
Depending on the type of vehicle you own, a driveshaft replacement will cost between PS250 and PS500. Luxury cars can cost as much as PS400. However, for safety and the overall performance of the car, replacing the driveshaft may be a necessary repair. The cost of replacing a driveshaft depends on how long your car has been on the road and how much wear and tear it has experienced. There are some symptoms that indicate a faulty drive shaft and you should take immediate action.
Repairs can be expensive, so it’s best to hire a mechanic with experience in the field. You’ll be spending hundreds of dollars a month, but you’ll have peace of mind knowing the job will be done right. Remember that you may want to ask a friend or family member to help you. Depending on the make and model of your car, replacing the driveshaft is more expensive than replacing the parts and doing it yourself.
If you suspect that your drive shaft is damaged, be sure to fix it as soon as possible. It is not advisable to drive a car with abnormal vibration and sound for a long time. Fortunately, there are some quick ways to fix the problem and avoid costly repairs later. If you’ve noticed the symptoms above, it’s worth getting the job done. There are many signs that your driveshaft may need service, including lack of power or difficulty moving the vehicle.

China wholesaler Qlf-1680 Electronic Continuous Auto Sealing Machine Band Sealer Bag Vertical Packing Sealer Machine   near me factory China wholesaler Qlf-1680 Electronic Continuous Auto Sealing Machine Band Sealer Bag Vertical Packing Sealer Machine   near me factory

China Professional Auto-Splicing Wet Tissue Folding and Packing Making Machine Baby Wet Wipe Machine near me manufacturer

Product Description

Auto-splicing Wet Tissue Folding And Packing Making Machine Wet Wipe Machine 

GP-2035C full auto duouble channel wet wipe folding and packing machine for 5-30pcs/pack,with auto changing tissue,packing film and label,Double reciprocating

Product Description

Products type:5-30sheet/pack

Production flow: raw material – splicing mechanism- tension & shortage mechanism- auto web CZPT mechanism- slitting into 2 lanes- folding mechanism- wetting- wipes length cutting- cross folding- combine into packing system- die cutting- labeling- central sealing – edge sealing- finished products.

1-Production capacity: 700-900 pcs/min.
2-Non-woven max Dia :1100mm
3-Non-woven max Width :500mm
4-Packing film max Dia: 380mm
5-Packing film max Width: 420mm
6-Packing max Length:100-180mm (settable via touch screen)
7-Packing max Width:50-85mm  (adjustable)
8-Packing max Height:10-50mm  (adjustable)
9-Edge seal packing type:reciprocate heating seal
10-Drive mode:Full Servo Motor Drive
11-Controller:Mitsubishi FX-5U + orientation module
12-Packing speed:30-90 pack/min (up to wipes quantity setting)
13-Operation interfce:7 inch LCD
14-Non-woven Supply system: Servo motor
15-Cutter system:Servo motor
16-Folding system:Servo motor
17-Catching system:Servo motor
18-Finished products delivery:Servo motor / variable frequency motor
19-Combine system:variable frequency motor
20-Film system:Servo motor
21-Edge seal system:Servo motor
22-Feeding system:Servo motor
23-Label sticker system:Servo motor
24-Die cut system:Servo motor
25-Edge seal save protection system:Torque overload stop protection
26-Air compressor require:0.5-0.8Mpa  0.01m3/min
27-Electric:380VAC  50/60HZ 
28-Power:23KW
29-Machine dimension:9200×1300×1800mm (L×W×H)
30-Standard printer:The thermal type code printer

Detailed Photos

Packaging & Shipping

 

 

Company Profile

Champions Corporation is professionally manufacturing and supplying all raw materials for disposable hygiene products and also including comprehensive consulting for the hygiene machinery project.

Wet tissue paper making machine, our factory have more than 20 years development history, we are professional on all kinds of tissue paper processing machines including Toilet Paper and Kitchen Towel Rewinding Machine, Facial Tissue Making Machine, Hand Towel Folding Machine, Napkin Machine, Pocket Tissue Machine and relevant cutting machine and packing machine. 

Quality first and client first are always the objects we peruse.
Hope to start a bright future with you!
 

Our Advantages

 

Professional Engineer

Our factory is more than 20 years, we witness the development of tissue paper processing machines.

As a result, we have a lot of experienced engineers, to design machine according to client’s requirement, and make sure each machine working perfectly.

We persue good machine quality, we keep research new technology and upgrade the machine better and better.

 

Professional Sales

As we have our own factory, our sales knows the machine very clearly, we can explain every details no matter you are familiar or not to these machines.

We give professional solutions to meet different client’s requirements. You will always find 1 happy solution to start your business here.

And we welcome clients visit our factory, and we will give you transportation tips before you come, and arrange car to pick you from train station or airport.

 

Good After-sales Service

Customers’ satisfaction is always our best feedback, we put client in the first place. We have 24 online service, 7 days. And we always give fast response to solve your confusion.

During all machine lifetime, we guarantee good after-sales service. Machine is high value product which can use for years, no matter you meet machine small problems or you need to buy machine spare parts, you can come to us. You buy our machine, you have our back on.

 

 

FAQ

1. Are you factory manufacturer?
A: Yes, we are factory manufacturer, our factory history has been more than 20 years, and welcome to visit my factory when you come to China. 

2. How long is your Warranty?
A: Our machine warranty is ONE year guarantee but machine after-sales service is all machine lifetime. 
Within ONE year warranty, for the main machine spare parts like PLC, Motor have damage not by manmade, we will courier the spare parts immediately for free.(not including easy-wear spare parts like blade)
After ONE year warranty, we will still provide after-sales service, but if need to courier spare parts, client needs to cover the cost.

3. What about the machine installation?
A: All our machine will testing before shipping, and the testing cost is for free, then we take apart the machine to several packages for shipping. We have engineer overseas service, if you don’t have any machine experience, we can send engineer to your place to install the machine and train your workers, for this service, client need to cover its cost. 

4. What’s the payment terms?
A: 30% deposit by T/T, and pay the balance after machine testing before shipment by T/T.

5. What’s the delivery time?
A: Almost all the machine start production after ordered, so machine delivery time is about 60 days, for urgent needs please check with sales if have ready stock or make it faster.

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.
worm shaft

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.

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