Product Description
Model:XW7 electric operated worm gearbox
| Model | Electric Output Torque N·m | Ratio | Electric Input Torque N·m | Input Flange ISO5210-2001 | Standard Base Output Flange | Thickened Base Output Flange | Maximum Stem Diameter mm | Input Shaft Diametermm | APPROX. Weight kg |
| XW3 | 800 | 58 | 46 | F10/F14 | F12 | F10/F12/F14 | 43 | 15 | 15 |
| XW4 | 1700 | 68 | 83 | F10/F14 | F14 | F12/F14/F16 | 52 | 20 | 23 |
| XW5 | 3000 | 67 | 149 | F10/F14/F16 | F16 | F14/F16/F25 | 76 | 20 | 50 |
| XW6 | 7000 | 69 | 338 | F14/F16 | F25 | F16/F25/F30 | 87 | 30 | 83 |
| XW7 | 16000 | 60 | 889 | F14/F16/F25 | F25/F30 | F35 | 120 | 30 | 144 |
| XW8 | 28000 | 60 | 1556 | F14/F16/F25 | F25/F30/F35 | F40 | 153 | 35 | 254 |
| XW9 | 40000 | 60 | 2222 | F14/F16/F25 | F30/F35 | F40/F48 | 170 | 40 | 327 |
| XW10 | 65000 | 60 | 3611 | F16/F25/F30 | F35/F40 | F48 | 190 | 50 | 493 |
Introduction
XBURS XW series Part-turn Worm Gearbox is precison device(rotary) with high quality and safety,intended to reduce the speed and increase thetorque. It is easy to process axis hole and key groove because of the removable sleeve.
Characters
1.Totally enclosed gearing
2.Grease filled for longer life
3.Comprehensive gear ratios for different
applications
4.Removable output sleeve
5.Optional travelling sleeve
6.Adjustable stopper (± 5°)
7.Optional flange to suit for different type of valve
Application
XW series part-turn worm gearboxes are used for manual and electric (electric actuator) applications of ball valves,butterfly valves, plug valves and dampers.
Operating Environment
XW series part-turn worm gearboxes are with good mechnical quality and steady operating performance which apply to deal with variety climate and temperature. We strive to develop RW series worm gear operator to meet higher demands.
Enclosure: IP67
Working Temperature: Form-40ºCto120ºC(-40ºFto248ºF)
Painting: Silver grey (customization)
Connect With Valve
The flange connecting to valve is according to ENISO5210 or DIN3210 (Customization)
Main Products
Worm gearbox, bevel gearbox, valve gear box,worm gear operator, worm gear actuator, valve worm gear, valve gear operator, valve gear actuator, valve actuator.
Gear Operator, Valve Gearbox, Bevel Gearbox, Gearbox, Speed Reducer, Multi-Turn Bevel Gearbox, Bevel Gearbox Supplier, High Quality Bevel Gearbox, Gearbox manufacturer
(XW7-R67M)
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| Application: | Industry |
|---|---|
| Type: | Worm and Wormwheel |
| Protection Level: | IP67 |
| Working Temperature: | -40 to 120 Degrees Celsius |
| Applications: | Ball Valves, Butterfly Valves, Plug Valves, Damper |
| Painting/Coating: | Silver Grey or Customization |
| Customization: |
Available
| Customized Request |
|---|
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.
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.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
editor by CX 2024-02-27