China Custom My-1-SD Series Part-Turn Electric Type Valve Worm Gearbox gearbox definition

Product Description

Product Description

MY-1-SD series part-turn electric type worm gearbox suitable for Ball Valves, Butterfly Valves, Plug Valves,etc. 

 
MY-1-SD series part-turn electric type worm gearbox has good mechanical quality and steady operating performance. It has high mechanical efficiency, material you can choose according to the open times and electric actuator output speed. The flange connecting to valve is according to ISO5211
 

Product Parameters

 

Model MY-0
-1S-D
MY-1
-1S-D
MY-2
-1S-D
MY-3
-1S-D
MY-4
-1S-D
MY-4
-1SZ-D
MY-5
-1S-D
MY-5
-1SZ-D
MY-6
-1S-D
MY-6
-1SZ-D
MY-7
-1S-D
MY-8
-1S-D
MY-9
-1S-D
MY-10
-1S-D
Flange F12 F14 F16 (F20) F25 F25 F30 F30 F35 F35 F40 F48 F60 F60
φD 150 175 210 250 300 300 350 350 415 415 475 560 686 686
PCD D0 125 140 165 205 254 254 298 298 356 356 406 483 603 603
N-H-DP 4-M12-18 4-M16-24 4-M20-30 8-M16-24 8-M16-24 8-M16-24 8-M20-27 8-M20-27 8-M30-45 8-M30-45 8-M36-54 12-M36-54 20-M36-54 20-M36-54
Convex (D1×h) 85×3 100×4 130×5 140×5 200×5 200×5 230×5 230×5 260×5 260×5 300×8 370×8 470×8 470×8
Max stem dia. 38
10×8
45
14×9
55
16×10
65
20×12
80
22×14
80
22×14
105
28×16
105
28×16
115
32×18
115
32×18
140
36×20
155
40×22
200
45×25
220
50×28
Input shaft 20 20 20 30 30 30 30 30 30 30 40 40 50 50
6 6 6 8 8 8 8 8 8 8 12 12 14 14
40 40 40 50 50 50 50 50 50 50 60 60 75 75

 

Company Profile

FAQ

Q: What's your main products?
A: Our main products are worm gearbox, bevel gearbox and spur gearbox for gate valve, globe valve, ball valve, butterfly valve and etc.

Q: How long is your delivery time?
A: Delivery time was depends on the quantity of the order and our inventory, normally is 10~15 days.

Q: Term of payment?
A: T/T 30% in advance, T/T balance before shipment.

Q: Can you provide free sample?
A: Yes, we can provide the sample for free, but the shipping costs need paid by yourself.

Q: Could you specially design and produce according to client's requirements?
A: Yes, we can

If any other questions about our products, welcome to contact us.

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Application: Industry
Function: Change Drive Torque
Step: Double-Step
Customization:
Available

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Customized Request

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

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

are generally not recommended for high-speed applications due to their inherent design characteristics. Here's why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox's performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let's compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

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.

China Custom My-1-SD Series Part-Turn Electric Type Valve Worm Gearbox   gearbox definition		China Custom My-1-SD Series Part-Turn Electric Type Valve Worm Gearbox   gearbox definition
editor by CX 2024-02-22

worm gearboxes

As one of leading worm gearboxes manufacturers, suppliers and exporters of products, We offer worm gearboxes and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of worm gearboxes.

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