China Good quality Hearken Manual Override Worm Gearbox with Handwheel 5 Size Available De-Dutch Gearbox planetary gearbox

Product Description

Description

This is a right-angle rotating gear driver, using aluminum alloy precision die-casting shell, suitable for the cock of ball valve and butterfly valve, it is driven by worm gear and has self-locking function, and adopts tapered roller bearing to make The operation of the gearbox is more convenient and efficient. The stem nut can be made into a CHINAMFG or separate structure according to customer requirements, and the mounting flange adopts the ISO5211 international standard, so it can be more easily installed with the valve. The overall protection level can reach IP67, and for some special environments, it canalso be made into IP68 level.
 

 

NO. Item Material
1 Bolt SS304
2 Pointer ABS resin
3 Cover Aluminium
4 O-Ring NBR70
5 Pin Steel black
6 Wom gear Ductile iron
7 Rear seal NBR 70
8 Body Aluminium
9 Adjusting bolt Steel black
10 Adjusting bolt gasket SS304
11 Adjusting nut SS304
12 Adjusting nut sheath NBR 70
13 Bearing Powder metallurgy
14 Worm Carbon steel 45#
15 Front seal NBR70
16 Rotating shaft SS304
17 Hand wheel Carbon steel polyster coating
18 Pin Steel black

 

Model HAM1(19070) HAM2(19092) HAM3(19102) HAM4(19125) HAM5(19140)
Technical-parameters
Ratio 40:01:00 37:01:00 36:01:00 36:01:00 50:01:00
Oitput torque(N.m)   180 300 540 675 1500
Stemdia,d(mm) 30 32 43 43 54
Mid-B-vaive(EPDM)DN DN32-100 DN100-200 DN200-250 DN250-350 DN350-400
D-eccentric-B-valve(EPDM)DN          
Weight(Kg) 1.2 2 2.8 4.8 11
Connection-size
Flange dia-D(mm) 80 100 120 142 175
PCD D1(ISO5211) 50/70 70/90 70/102 102/125 102/125/140
4-M6X10/4-M8X12 4-M8X12/4-M10X12 4-M8X10/4-M10X15 4-M8X10/4-M12X18 4-M8X10/4-M16X24
S 8/9/11/14/17 9/1l/14/17 17/19/22 19/22/24 22/24/27
2-b
R(deep)
Appearance-size
L 115 130 150 180 220
L1 50 58 65 80 95
L2 42 50 60 60 78
H 48 58 58 74 84
H1 19 18 18 21 51
Handwheel d1 20 20 20 20 25
L3 160 160 215 225 325
W 140 200 250 300 400

1.  Question:What is your main products?

   Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..
 

2. Question:Are you a trader or manufacturer ?

   Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.
 

3. Question:How do your make the quality guarantee for actuators?

   Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4.  Question:When can I receive the Price of valve actuators ?

   Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it's quite urgently.
 

5. Question:How to order our pneumatic actuators and electric actuators ?

   Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required
 

6. Question:How can I get a sample to check your quality?

   Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.
 

7. Question:Shall we pay the sample cost and transportation cost ?

   Answer:We will provide the sample by free of charge. Your will bear the freight cost.
 

8. Question:How long to prepare the sample ?

   Answer:Most of our products are under regular production and some of them we keep in stocks.
 

9. Question:How to delivery the sample to our place?

   Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.
 

10. Question:What about the delivery date if we place the formal order ?

   Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor
Function: Change Drive Direction, Speed Changing
Layout: Coaxial
Hardness: Soft Tooth Surface
Installation: Torque Arm Type
Step: Double-Step
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

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

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 Hearken Manual Override Worm Gearbox with Handwheel 5 Size Available De-Dutch Gearbox   planetary gearbox	China Good quality Hearken Manual Override Worm Gearbox with Handwheel 5 Size Available De-Dutch Gearbox   planetary gearbox
editor by CX 2024-02-23

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]

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