China high quality Ball Valve Actuator Worm Gear Wormgear Gearbox Reducer Quart-Turn Milti-Turn Valve Gearbox gearbox definition

Product Description

CAMINIX Single Stage series gear box
 

Single Stage series gear box , Ductile iron box , Sturdy structure , Meet industrial requirements.

Applications
CMX-S CHINAMFG series gearboxes provide a variety of connection flange options, suitable for Ball valve, butterfly valve, plug valve,The products use high-performance thrust bearings, which are suitable for the chemical industry, power plants, water plants, heating equipment and most industrial fields.

Feature of product
Underground design available on request 

Self-locked handwheel design 
Self-lubricated design 
Rust-proof steel input shaft
22 specifications, torque up to 300,000Nm.
Gearbox IP67 sealed
Working environment temperature: -20ºC to +80ºC
Stroke: 0-90° (±5° adjustable)

 

1 The worm gear top housing installed with needle clearly indicate the opening position of the valve
2 Main Materials of Ductile iron QT500-7 castings with high strength and high resistant 
3 with limit switch can limit the valve stroke 
4 High precision shaft with bearing match improve the transmissioning efficiency 
5 For big torque valves,when manually operated with high efficiency gear reducer to easy operate and reduce the amount of work 
6 The gearbox and reducer housing cover with ductile iron materials, with O ring and sealing with water proof of IP67
7 The mounting pad flange as per ISO5211-2017, the shaft material is 20CrmoTi,Carburizing Quenching and tooth grinding treatment  

 

 

 

TY
PE
TechnicalParameters Dimensions
Model Ratio Maximum stem diameter Output Input Enlarge  Connection D1 L max A B C1 D K H J E Key Handwheel
Torquenm Coefficient ±15% Flange
A CMS10 29:1 20 350 37 9.5 F05 65 57 167 125   122   29 64 15 6 200
F07 90 57 167 125 122 29 64 15 6 200
CMS20 37:1 28 520  43 12.1 F07 90 57 185 134   140   29 64 15 6 200
F10 125 57 185 134 140 29 64 15 6 200
CMS21 38:1 36 850  72 11.8 F10 125 68 200 142   162   36 74 15 6 300
F12 150 63 200 142 162 31 71 15 6 300
F14 175 73 216 150 162 41 79 15 6 300
CMS30 40:1 45 1350  108 12.5 F12 150 85 219 152   202   46 93 20 6 350
F14 175 85 219 152 202 46 93 20 6 350
F16 210 85 235 160 202 46 93 20 6 350
CMS55 47:1 50 2000 130 15.4 F14 175 91 241 163   223   50 99 20 6 400
F16 210 91 241 163 223   50 99 20 6 400
CMS66 55:1 55 2500 141 17.7 F14 175 89 248 170   237   51 97 20 6 500
  F16 210 89 248 170   237   51 97 20 6 500
CMS88 61:1 65 3000 152 19.7 F16 210 105 290 192   267   55 115 20 6 500
F20 260 108 290 192 267 58 118 20 6 500
F25 300 105 290 192 267 55 115 20 6 500
CMS99 69:1 70 3500 165 21 F20 260 106 300 202   290   55 113 20 6 500
F25 300 106 300 202 290 55 113 20 6 500

 

 

The gearbox produced by CHINAMFG is almost maintenance-free. In the absence of visible grease leakage, there is no need to add lubricating grease, Replace the sealing ring or lubricate again.

Please contact us for more information.

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Certification: ISO, CE
Power Supply: Worm Gear
Power Source: Gear
Temperature: Ordinary Temperature
Connection: Flange
Material: Cast Iron
Customization:
Available

|

Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

Materials Used for Worm Gears

Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:

  • Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
  • Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
  • Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
  • Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
  • Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
  • Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.

The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.

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 high quality Ball Valve Actuator Worm Gear Wormgear Gearbox Reducer Quart-Turn Milti-Turn Valve Gearbox   gearbox definition		China high quality Ball Valve Actuator Worm Gear Wormgear Gearbox Reducer Quart-Turn Milti-Turn Valve Gearbox   gearbox definition
editor by CX 2024-02-28

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