Tag Archives: screw screw screw

China high quality Hot Sale CZPT Arrow Plastic Extruder New Type Twin Screw Extruder Gearbox gearbox design

Product Description

Overview

Product Description 

Wide Selection of Gearbox Products
The gearbox usually adopts a general design scheme, but in special cases, the design scheme of the gearbox can be changed according to the demands of the user, and it can be modified into an industry-specific gearbox. In the design scheme of the gearbox, the parallel shaft, vertical shaft, general box, and various parts can be changed

Advantages

  • Absorption of very high torques and axial forces
  • No need for separate thrust housing & bearing.
  • Easy alignment (screw directly fits into the vore of gear box)
  • Easy to assemble & dismantle.
  • Very heavy duty spherical roller thrust bearing is provided.
  • Power saving. (you may save up to 20 % power.)
  • Less requirement of space.
  • For bigger sizes water cooling is provided 
  • No maintenance required except periodic oil level checking.
  • Higher productivity 

Features

 

  • Twin Screw Extruder Gearboxes offer the dual shaft counter rotating. The range is available for various center distances
  • The gearboxes are available with co-rotating and counter rotating variants
  • To work under heavy loading force, the high level dissipation and oil lubrication system are provided. The axial roller type swivel thrust with the thrust bearing coupled in tandem way support the axial thrust
  • High torque and high speed output rate

 

Processing Characteristics of Screw Shaft:

1.Suitable suggestion on material to ensure components performance and extend lifetime of products.
2.Professional technical team can provide surveying and mapping support.
3.All components are finished by CNC machine.
4.Sophisticated quality management system ensure superior quality.
 

Basic Info.
 

Warranty: 1 year Weight (KG):
500 KG
Place of Origin:
HangZhou, China
Gearing Arrangement:
helical
ratio:
8-20
Output Torque:
2*176
 
standard:
JB/T8853-2001
Certificate:
CE
Heat treatment:
High-frequency Hardening
Efficiency:
94%~98%(depends on the transmission stage)
Customized support:OEM ODM Input/output shaft material
40Cr
Package:
Wooden case
 
Mount position:
Flange, hollow shaft, CHINAMFG shaft
After-sale:Online 24/7 Installation Xihu (West Lake) Dis. advantage:
excellent quality
Reduction radio:
3:1
 
Mount Position:
Horizontal Foot Mounted Vertical
 
Input Speed:
1500
 
Output Speed:
500
 

Packaging & delivery

Packing: wooden case packing

 
Port: HangZhou Port  

Applications
X helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:

  • Paint and lacquer industry
  • Washing agent industry
  • Foodstuff industry (e.g. bread, pasta)
  • Animal-feed industry (dog, cat other animal food 

Maintenance of the gearbox of the dual-screw extruder
1. The gear box of the dual-screw extruder should be well-ventilated, and the working environment temperature should be within the range of 5-35 °C.
2. Always check the oil quantity of the gear lubricating oil in the box to ensure that the transmission parts in the box are well lubricated.
3. Pay attention to check the bearing parts of the box frequently. The oil temperature of the oil tank of the transmission box should not exceed 70 ºC during operation.
4. The newly put into use gearbox needs to replace the lubricating oil after 250 hours of operation. The oil change time depends on the state of the oil. It is recommended to replace it after 4000-8000 hours of operation or once a year.
5. The gearbox of the dual-screw extruder needs to be regularly maintained and inspected once a year 

Operating Process
1. The gear on the input shaft is driven by the motor and starts to rotate.
2. The rotating input gear meshes with other gears inside the gearbox, transmitting power.
3. Different-sized gears within the gearbox are combined to form a gear train. Through continuous meshing and rotation, the high-speed, low-torque power from the input shaft gradually converts into low-speed, high-torque output.
4. The output shaft is connected to the last gear and transfers the output torque to the load.
5. Gear reduction gearboxes typically include lubrication and cooling systems to ensure smooth operation and prevent overheating and damage.
6. Our extruder gearbox converts high-speed, low-torque power into low-speed, high-torque output by changing the size ratios and meshing arrangements of different gears, achieving the function of speed reduction.

Types of Gearboxes:
Based on customer requirements, gear reduction gearboxes can be classified according to the size of the output shaft, center distance of the output shaft, output speed, and torque. Alternatively, we can provide several commonly used types of gearboxes for customers to choose from.

Product Service

24-hour Hotline

 

No matter when and where

to call we can find our service to you.

 

 

Pre-sales Consultation

 

We have 5 sales people online,

and whether you have any question

can be solved through online

communication.

After-sales Services

 

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

Exhibition

Certificate

Company profile
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.

FAQ

 

1.  Q: How about Arrow Machinery?

     R: ZheJiang Arrow Machinery Co., Ltd. is a High-Tech company. Our firm is composed of a strong  

        team which has substantial experience in R&D, manufacture, technique and sales service and has

        specialized in extruder industry for 10 years,leading screw barrel manufacturer in China.
2. Q:What’s Arrow machinery’s capacity? 
    R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200

       models of extruders and spare parts. 

3. Q:What’s the delivery time? 

    R:For regular size, we have finished stock and semi-finished stock, 2 weeks max enough

        for customized, normally within 20days .

4. Q:How about the gearbox quality and price? 
    R: top quality in China with competitive price and globle after-sale service
5. Q:what’s the life time and guarantee buy from Arrow machinery ?
    R: 3~5years life time for nitriding ones and bimtallic ones will be longer 
        One year min. Guarantee.
6.Q:Where is Arrow Machinery factory and how to reach there? 
   R:NO.47 Chengbohu Road, Xihu (West Lake) Dis. District,HangZhou City, China. You can take the train or plane to HangZhou and we can pick        you up.
7.Q:How to contact with you? 
   R:just reply to me if have any question. 

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Application: Motor, Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Samples:
US$ 99999/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Diagnosing and Fixing Oil Leakage in a Worm Gearbox

Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:

  1. Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
  2. Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
  3. Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
  4. Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
  5. Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
  6. Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
  7. Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
  8. Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
  9. Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
  10. Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.

If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.

worm gearbox

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

  • High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
  • Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
  • Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
  • Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
  • Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
  • Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.

China high quality Hot Sale CZPT Arrow Plastic Extruder New Type Twin Screw Extruder Gearbox   gearbox design		China high quality Hot Sale CZPT Arrow Plastic Extruder New Type Twin Screw Extruder Gearbox   gearbox design
editor by CX 2024-03-14

China OEM High-End and Cost-Effective Twin Screw Gearbox for Pelleting Twin Screw Extruder Machine automatic gearbox

Product Description

SHTDN High Speed Gearbox for Twin Screw Extruder Machine

 

SHTDN Twin Screw Extruder Gearbox Introduction

 

Twin Screw Gearbox adopting latest standard ISO1328,the precision of cylindrical gear of spherical involute, and combining our long term experience and specialty of twin screw extruder, SHTDN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin screw extruder, with entirely independent Intellectual Property Rights.
The gears are made of carburizing steel of high-strength alloy of good quality by carburizing and quenching for teeth, of which all the gear grinding processes are finished by imported gear grinding machines. Gear parameters are optimized and specially designed for the characteristics of twin screw extruder, reducing stress concentration on root of gear and improving gear surface conditions. We have improved gear intension of flexural fatigue, fatigue strength and ratio of wide diameter. We have also adopted the latest designing idea and technology of heating treatment for the structure of gears, thereby ensured gears from uniformity of precision and strength.

 

 

Features:

— High Speed

—Triaxiality parallel design improve B axis bearing capacity.
—Simple manufacture and convenient assemply.Lower the cost.
—Modular structure design achieve 2 kinds of gearbox torque grade.

 

SHTDN Twin Screw Extruder Gearbox Parameters

 

SHTDN Gearbox Power&Torque Table

Model

CD(MM)

Torque Grade(T/A3)

RPM 300r/min

RPM 400r/min

RPM 500r/min

SHTD20N

18

<13

SHTD25N

22

<13

11kw

SHTD30N

26

<13

SHTD35N

30

<13

18.5kw

22kw

30kw

SHTD40N

34.5

<13

30kw

45kw

55kw

SHTD50N

42

<13

55kw

75kw

90kw

SHTD52N

43

<13

55kw

75kw

90kw

SHTD58N

48

<13

90kw

110kw

132kw

SHTD65N

52

<13

110kw

132kw

160kw

SHTD75N

60

<13

160kw

220kw

250kw

SHTD85N

67.8

<13

220kw

315kw

400kw

SHTD95N

78

<13

350kw

450kw

550kw

Production Process

Packing&Delivery
 

Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.

Delivery Details: 5-60days after order.

1.Rust-proof oil processing,

   Prevent rust in transit.

2.Oiled paper packages,

   Prevent oil dry.

3.Bubble wrap package,

   Prevent collosions.

4.Special foam packaging. 5.Packing 6.Sealing

Our Service

 

24-hour Hotline

 

No matter when and where

to call we can find our service to you.

 

 

Pre-sales Consultation

 

We have 5 sales people online,

and whether you have any question

can be solved through online

communication,welcome your consultation.

After-sales Services

 

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

 

All ZT keep pay attention to every step of the details,We are looking CHINAMFG to the forge ahead together with you!

 

FAQ

 

How long does it take to get my products since I paid for them?

—According to your order quantity,we will give you a reasonable delivery date.

 

Can I get the warranty of 1 year for free?

—If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.

 

How is your after-sale service?

—You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.

 

What machine does the product apply to?

—Twin Screw Extruder Machine.

Application: Machinery
Function: Speed Reduction
Layout: Double Drive Gearbox
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

  • Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
  • Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
  • Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
  • Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
  • Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
  • Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
  • Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
  • Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
  • Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
  • Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

  • Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
  • Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
  • Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
  • Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
  • Mounting Options: Determine the mounting orientation and configuration that best suits your application.
  • Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
  • Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
  • Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
  • Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
  • Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China OEM High-End and Cost-Effective Twin Screw Gearbox for Pelleting Twin Screw Extruder Machine   automatic gearbox	China OEM High-End and Cost-Effective Twin Screw Gearbox for Pelleting Twin Screw Extruder Machine   automatic gearbox
editor by CX 2023-11-18

China Custom Superior Quality Gearbox of Twin Screw Extruder Machine for Plastic and Rubber Industry comer gearbox

Product Description

SHTDN High Speed Gearbox for Twin Screw Extruder Machine

 

SHTDN Twin Screw Extruder Gearbox Introduction

 

Twin Screw Gearbox adopting latest standard ISO1328,the precision of cylindrical gear of spherical involute, and combining our long term experience and specialty of twin screw extruder, SHTDN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin screw extruder, with entirely independent Intellectual Property Rights.
The gears are made of carburizing steel of high-strength alloy of good quality by carburizing and quenching for teeth, of which all the gear grinding processes are finished by imported gear grinding machines. Gear parameters are optimized and specially designed for the characteristics of twin screw extruder, reducing stress concentration on root of gear and improving gear surface conditions. We have improved gear intension of flexural fatigue, fatigue strength and ratio of wide diameter. We have also adopted the latest designing idea and technology of heating treatment for the structure of gears, thereby ensured gears from uniformity of precision and strength.

 

 

Features:

— High Speed

—Triaxiality parallel design improve B axis bearing capacity.
—Simple manufacture and convenient assemply.Lower the cost.
—Modular structure design achieve 2 kinds of gearbox torque grade.

 

SHTDN Twin Screw Extruder Gearbox Parameters

 

SHTDN Gearbox Power&Torque Table

Model

CD(MM)

Torque Grade(T/A3)

RPM 300r/min

RPM 400r/min

RPM 500r/min

SHTD20N

18

<13

SHTD25N

22

<13

11kw

SHTD30N

26

<13

SHTD35N

30

<13

18.5kw

22kw

30kw

SHTD40N

34.5

<13

30kw

45kw

55kw

SHTD50N

42

<13

55kw

75kw

90kw

SHTD52N

43

<13

55kw

75kw

90kw

SHTD58N

48

<13

90kw

110kw

132kw

SHTD65N

52

<13

110kw

132kw

160kw

SHTD75N

60

<13

160kw

220kw

250kw

SHTD85N

67.8

<13

220kw

315kw

400kw

SHTD95N

78

<13

350kw

450kw

550kw

Production Process

Packing&Delivery
 

Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.

Delivery Details: 5-60days after order.

1.Rust-proof oil processing,

   Prevent rust in transit.

2.Oiled paper packages,

   Prevent oil dry.

3.Bubble wrap package,

   Prevent collosions.

4.Special foam packaging. 5.Packing 6.Sealing

Our Service

 

24-hour Hotline

 

No matter when and where

to call we can find our service to you.

 

 

Pre-sales Consultation

 

We have 5 sales people online,

and whether you have any question

can be solved through online

communication,welcome your consultation.

After-sales Services

 

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

 

All ZT keep pay attention to every step of the details,We are looking CHINAMFG to the forge ahead together with you!

 

FAQ

 

How long does it take to get my products since I paid for them?

—According to your order quantity,we will give you a reasonable delivery date.

 

Can I get the warranty of 1 year for free?

—If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.

 

How is your after-sale service?

—You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.

 

What machine does the product apply to?

—Twin Screw Extruder Machine.

Application: Machinery
Function: Speed Reduction
Layout: Double Drive Gearbox
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

Does a Worm Reducer Require Frequent Maintenance?

Worm reducers generally require less frequent maintenance compared to some other types of gearboxes due to their design and operating characteristics. However, maintenance is still essential to ensure optimal performance and longevity. Here are some key points to consider:

  • Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
  • Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
  • Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
  • Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
  • Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
  • Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
  • Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.

While worm gearboxes are known for their durability and self-locking feature, neglecting maintenance can lead to premature wear, reduced efficiency, and potential breakdowns. Following the manufacturer’s recommendations for maintenance intervals and procedures is essential to keep the worm reducer in optimal condition.

worm gearbox

Lubrication Requirements for a Worm Gearbox

Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:

  • Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
  • Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
  • Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
  • Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
  • Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
  • Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
  • Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.

Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.

China Custom Superior Quality Gearbox of Twin Screw Extruder Machine for Plastic and Rubber Industry   comer gearbox	China Custom Superior Quality Gearbox of Twin Screw Extruder Machine for Plastic and Rubber Industry   comer gearbox
editor by CX 2023-11-15

China Good quality Thick and High Accuracy Teeth CZPT Vertical Anisotropic Single Screw Extruder Gearbox planetary gearbox

Product Description

 

Product Description

This gearbox is designed for plastic extrusion machine. It  meet JB/T9040-1999 standard.  The gear is made of high-strength alloy steel and hardened by carburizing and quenching. The accuracy of grinding teeth is higher than Level 6 and the hardness is HRC 54-62. In the front of output shaft,we assemble a thrust bearing with  high safety factor to bear the extrusion pressure of screw.

Detailed Photos

 

Loading capacity sheet of CHINAMFG and ZSYJ reduction gearboxes
Type ZLYJ ZSYJ
Spec     * * * * * * * * * * * *
112 133 146 173 200 225 250 280 315 330 375 395 420 450 500 560 630 450 560 530
-8 -8 -10 -12.5 -12.5 -16 -16 -16 -16 -16 -16 -16 -16 -12 -20 -20 -20 -32 -57 -44
                                         
Normal input power(kw) n=1500rpm
Ordinary reliable 15 22 30.8 39 55 75 82.5 116 171 _ 260 300 315 332 450 600 825 240 240 370
High reliable 10 15 18.3 30.8 45 60 67 75 116 207 207 240 250 266 350 550 675 200 220 315
                                         
  Allowable output torque(N.m)
Ordinary reliable 800 1165 1962 2484 4379 6568 7643 11822 17427 _ 26497 3571 32102 38599 5571 76433 105095 48917 87134 103694
High reliable 525 764 1165 1962 3583 5334 6306 7643 11822 21000 21096 24380 25478 33885 44566 70063 85978 40764 79873 88280

Recommended parameters of single-screw extruder machine reduction gearbox(Optional)
Type Spec. Power/Kw Speed-Input Speed-Output Load torque/N.m Axial force/KN Screw diameter Length-Diameter Ratio
ZLYJ 112-8 5.5 800 100 525 35 less than 35 25:1
113-8 6 800 100 764 39 50 25:1
146-10 11 1000 100 1050 54 55 25:1
173-10 18.5 900 90 1962 110 65 25:1
200-12.5 30 1000 80 3581 155 75 25:1
225-12.5 45 1000 80 5371 180 90 25:1
250-16 55 1120 70 7503 192 105 25:1
280-16 75 960 60 7643 258 110 25:1
315-16 85 960 60 13528 287 120 25:1
330-16 110 960 60 17528 360 135 25:1
375-16 132 960 60 21008 390 150 25:1
395-16 185 960 60 29442 400 160 25:1
420-16 160/220 960 60 31831 430 160/170
450-20 213 1000 60 40640 500 180 25:1
500-20 220 1000 50 42571 550 180 25:1
560-17 440 1000 50 84034 700 200 25:1
630-10 540 1000 50 15712 770 250 25:1
ZSYJ 450-32 200 1500 47 4 0571 500 165 25:1
560-57 220 1500 26 80802 700 190 25:1

Company Profile

Zhe jiang yifan gear box group CO., LTD was set up in 1970. It specializes in developing and producing small and medium-sized marine gearboxes, plastic extruder slowdown bins, Z4 DC motors,generators and so on.There are mainly 300 moreproduction equipments,including more than60 big,fine and expensive ones. The area of our company is 110, 000 square meters.There are 350 staff,and 25%of the total number are the middle and senior technical members. Since the venture,we commit toresearching and developing new products,and keeping improving the technology. We pay great attention to the after-salesservice. All of these efforts increase the developing footsteps of our company. We have strong technical strength , sophisticatedprocessing equipments,advanced products detection equipments,and own a complete security system including productsdesigned,mechanical processing,unit assembly,testing before coming out from the factory and after-sales service. Ourproducts have passed the ISO9001 Quality System Certification.

 

Certifications

 

 

Our Advantages

1: High transmission efficiency
2: Smooth operation and low noise
3: Small size and high carrying capacity.
4: Easy to disassemble and easy to install.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Application: Machinery
Function: Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China Good quality Thick and High Accuracy Teeth CZPT Vertical Anisotropic Single Screw Extruder Gearbox   planetary gearbox	China Good quality Thick and High Accuracy Teeth CZPT Vertical Anisotropic Single Screw Extruder Gearbox   planetary gearbox
editor by CX 2023-09-27

China best KA47 gearbox transmission gearbox travelling reducer stepless gear transmission worm screw jack smr shaft mounted reducer with high quality

Warranty: 1 year
Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other, Advertising Company
Weight (KG): 35 KG
Customized support: OEM, ODM, OBM
Gearing Arrangement: Helical
Output Torque: 800~100000N.m
Input Speed: 1400rpm
Output Speed: 14-280rpm
Ratio: 7.5~100
Certification: ISO9001-2008
Mount Position: Foot Mounted
Bearing: LYC,SKF
Packaging Details: Wooden boxes , Cantons packed in 1 pallet

Specification itemvalueWarranty1 yearApplicable IndustriesHotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, DIFFERENTIAL ASSY truck gearbox parts for CZPT Construction works , Energy & Mining, Food & Beverage Shops, Other, Advertising CompanyCustomized supportOEM, ODM, OBMGearing ArrangementHelicalOutput Torque800~100000N.mInput Speed1400rpmOutput Speed14-280rpmPlace of OriginChinaBrand NameSanLianRatio7.5~100CertificationISO9001-2008Mount PositionFoot MountedBearingLYC,SKF Packing & Delivery Wooden boxes , Cantons packed in 1 palletUSE IN Company Profile Founded in 2015, HangZhou Xihu (West Lake) Dis. Imp. & Exp. Co., Ltd is a professional trade company of reducer, Our company covers an area of 40,000 square meters and there are 800 employees, 20% of whom are technicians. We are well equipped with 300 sets of advanced CNC lathe, machining centers, German HOFLER forming gear grinding machine and advanced detection equipment. We commit ourselves to provide clients with perfect products and service. Our products exported to more than 30 countries in America, Europe, Asia, Middle East and Africa, are enjoying high reputation over the world. FAQ 1. who are we?We are based in ZHangZhoug, China, start from 2015,sell to Southeast Asia(25.00%),Western Europe(20.00%),Africa(15.00%),Central America(15.00%),Southern Europe(13.00%),South America(5.00%),South Asia(4.00%), cnc machine spare parts wholesale cnc lathe machine parts and components Northern Europe(2.00%),Domestic Market(60.00%),Eastern Asia(20.00%),Mid East(10.00%),Eastern Europe(5.00%),Oceania(5.00%). There are total about 11-50 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Gearbox,Gear,Forging,Transmission chains & sprockets and other transmission parts4. why should you buy from us not from other suppliers?HangZhou Xihu (West Lake) Dis. Imp. & Exp. Co., Ltd is the subcompany of CZPT Transmission Machinery Co., Ltd.. It is a professional manufacturer of gearbox for more than 31 years.and 1 step source for transmission produces.5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF;Accepted Payment Currency:USD,EUR;Accepted Payment Type: T/T,L/C,MoneyGram,PayPal,Western Union;Language Spoken:English,Chinese VR Exhibition Contact Us Title goes here.Hi My Friend,I am Shadow Lin, will serving your for reducers and transmission parts in future!Don’t worry if you don’t know how to choose!Our have a group help you to choose!Don’ Enclosed China electric drive gear motor speed reducer gearbox t worry if you want to customized!Our have a design group help to count and design.

What Is a Gearbox?

There are several factors to consider when choosing a gearbox. Backlash, for example, is a consideration, as it is the angle at which the output shaft can rotate without the input shaft moving. While this isn’t necessary in applications without load reversals, it is important for precision applications involving load reversals. Examples of these applications include automation and robotics. If backlash is a concern, you may want to look at other factors, such as the number of teeth in each gear.
gearbox

Function of a gearbox

A gearbox is a mechanical unit that consists of a chain or set of gears. The gears are mounted on a shaft and are supported by rolling element bearings. These devices alter the speed or torque of the machine they are used in. Gearboxes can be used for a wide variety of applications. Here are some examples of how gearboxes function. Read on to discover more about the gears that make up a gearbox.
Regardless of the type of transmission, most gearboxes are equipped with a secondary gear and a primary one. While the gear ratios are the same for both the primary and secondary transmission, the gearboxes may differ in size and efficiency. High-performance racing cars typically employ a gearbox with two green and one blue gear. Gearboxes are often mounted in the front or rear of the engine.
The primary function of a gearbox is to transfer torque from one shaft to another. The ratio of the driving gear’s teeth to the receiving member determines how much torque is transmitted. A large gear ratio will cause the main shaft to revolve at a slower speed and have a high torque compared to its counter shaft. Conversely, a low gear ratio will allow the vehicle to turn at a lower speed and produce a lower torque.
A conventional gearbox has input and output gears. The countershaft is connected to a universal shaft. The input and output gears are arranged to match the speed and torque of each other. The gear ratio determines how fast a car can go and how much torque it can generate. Most conventional transmissions use four gear ratios, with one reverse gear. Some have two shafts and three inputs. However, if the gear ratios are high, the engine will experience a loss of torque.
In the study of gearbox performance, a large amount of data has been collected. A highly ambitious segmentation process has yielded nearly 20,000 feature vectors. These results are the most detailed and comprehensive of all the available data. This research has a dual curse – the first is the large volume of data collected for the purpose of characterization, while the second is the high dimensionality. The latter is a complication that arises when the experimental gearbox is not designed to perform well.
gearbox

Bzvacklash

The main function of a gearhead is to multiply a moment of force and create a mechanical advantage. However, backlash can cause a variety of issues for the system, including impaired positioning accuracy and lowered overall performance. A zero backlash gearbox can eliminate motion losses caused by backlash and improve overall system performance. Here are some common problems associated with backlash in gearheads and how to fix them. After you understand how to fix gearbox backlash, you’ll be able to design a machine that meets your requirements.
To reduce gearbox backlash, many designers try to decrease the center distance of the gears. This eliminates space for lubrication and promotes excessive tooth mesh, which leads to premature mesh failure. To minimize gearbox backlash, a gear manufacturer may separate the two parts of the gear and adjust the mesh center distance between them. To do this, rotate one gear with respect to the fixed gear, while adjusting the other gear’s effective tooth thickness.
Several manufacturing processes may introduce errors, and reducing tooth thickness will minimize this error. Gears with bevel teeth are a prime example of this. This type of gear features a small number of teeth in comparison to its mating gear. In addition to reducing tooth thickness, bevel gears also reduce backlash. While bevel gears have fewer teeth than their mating gear, all of their backlash allowance is applied to the larger gear.
A gear’s backlash can affect the efficiency of a gearbox. In an ideal gear, the backlash is zero. But if there is too much, backlash can cause damage to the gears and cause it to malfunction. Therefore, the goal of gearbox backlash is to minimize this problem. However, this may require the use of a micrometer. To determine how much gearbox backlash you need, you can use a dial gauge or feeler gauge.
If you’ve been looking for a way to reduce backlash, a gearbox’s backlash may be the answer. However, backlash is not a revolt against the manufacturer. It is an error in motion that occurs naturally in gear systems that change direction. If it is left unaccounted for, it can lead to major gear degradation and even compromise the entire system. In this article, we’ll explain how backlash affects gears and how it affects the performance of a gearbox.

Design

The design of gearboxes consists of a variety of factors, including the type of material used, power requirements, speed and reduction ratio, and the application for which the unit is intended. The process of designing a gearbox usually begins with a description of the machine or gearbox and its intended use. Other key parameters to consider during gearbox design include the size and weight of the gear, its overall gear ratio and number of reductions, as well as the lubrication methods used.
During the design process, the customer and supplier will participate in various design reviews. These include concept or initial design review, manufacturing design validation, critical design review, and final design review. The customer may also initiate the process by initiating a DFMEA. After receiving the initial design approval, the design will go through several iterations before the finalized design is frozen. In some cases, the customer will require a DFMEA of the gearbox.
The speed increaser gearboxes also require special design considerations. These gearboxes typically operate at high speeds, causing problems with gear dynamics. Furthermore, the high speeds of the unit increase frictional and drag forces. A proper design of this component should minimize the effect of these forces. To solve these problems, a gearbox should incorporate a brake system. In some cases, an external force may also increase frictional forces.
Various types of gear arrangements are used in gearboxes. The design of the teeth of the gears plays a significant role in defining the type of gear arrangement in the gearbox. Spur gear is an example of a gear arrangement, which has teeth that run parallel to the axis of rotation. These gears offer high gear ratios and are often used in multiple stages. So, it is possible to create a gearbox that meets the needs of your application.
The design of gearboxes is the most complex process in the engineering process. These complex devices are made of multiple types of gears and are mounted on shafts. They are supported by rolling element bearings and are used for a variety of applications. In general, a gearbox is used to reduce speed and torque and change direction. Gearboxes are commonly used in motor vehicles, but can also be found in pedal bicycles and fixed machines.
gearbox

Manufacturers

There are several major segments in the gearbox market, including industrial, mining, and automotive. Gearbox manufacturers are required to understand the application and user industries to design a gearbox that meets their specific requirements. Basic knowledge of metallurgy is necessary. Multinational companies also provide gearbox solutions for the power generation industry, shipping industry, and automotive industries. To make their products more competitive, they need to focus on product innovation, geographical expansion, and customer retention.
The CZPT Group started as a small company in 1976. Since then, it has become a global reference in mechanical transmissions. Its production range includes gears, reduction gearboxes, and geared motors. The company was the first in Italy to achieve ISO certification, and it continues to grow into one of the world’s leading manufacturers of production gearboxes. As the industry evolves, CZPT focuses on research and development to create better products.
The agriculture industry uses gearboxes to implement a variety of processes. They are used in tractors, pumps, and agricultural machinery. The automotive industry uses gears in automobiles, but they are also found in mining and tea processing machinery. Industrial gearboxes also play an important role in feed and speed drives. The gearbox industry has a diverse portfolio of manufacturers and suppliers. Here are some examples of gearboxes:
Gearboxes are complex pieces of equipment. They must be used properly to optimize efficiency and extend their lifespan. Manufacturers employ advanced technology and strict quality control processes to ensure their products meet the highest standards. In addition to manufacturing precision and reliability, gearbox manufacturers ensure that their products are safe for use in the production of industrial machinery. They are also used in office machines and medical equipment. However, the automotive gearbox market is becoming increasingly competitive.

China best KA47 gearbox transmission gearbox travelling reducer stepless gear transmission worm screw jack smr shaft mounted reducer  with high qualityChina best KA47 gearbox transmission gearbox travelling reducer stepless gear transmission worm screw jack smr shaft mounted reducer  with high quality