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. /* January 22, 2571 19:08:37 */!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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Customization: |
Available
| Customized Request |
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Is it Possible to Reverse the Direction of a Worm Gearbox?
Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:
- Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
- Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
- Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
- Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
- Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.
If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.
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.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
- High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
- Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
- Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
- Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
- High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
- Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
- Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by CX 2024-02-29