Product Description
Cast Iron Nmrv Worm Gear Reducer Worm Gear Speed Reducer
|
Input Configurations |
Double or single input shaft (NRV) |
|
PAM / IEC motor input shaft with circle or square flange (NMRV) |
|
|
Output Configurations
|
Double or single output shaft |
|
Output flange |
Technical Data:
| Housing material | Cast iron/Ductile iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40°C |
| Temp. rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested,NSK. |
| Brand of oil seal | NAK — ZheJiang or other brands requested |
Main applied for
CHINAMFG and shipping
Hoist and transport
Electric power
Coal mining
Cement and construction
Paper and light industry
Specification
|
Model |
Motor Input Flange (circle) |
Transmission Ratio |
Power (kw) |
Ratio (i) |
Nominal Torque (Nm) |
|||||||||||||||
|
PAM / IEC |
Internal Dia. |
Dis. Between Diagonal Screw Holes |
External Dia. |
Width of Key Slot |
5 |
7.5 |
10 |
15 |
20 |
25 |
30 |
40 |
50 |
60 |
80 |
100 |
||||
|
N |
M |
P |
E |
Diamter of Input Shaft |
||||||||||||||||
|
NMRV25 |
56B14 |
50 |
65 |
80 |
3 |
9 |
– |
9 |
– |
0.06 |
7.5-60 |
2.6-14 |
||||||||
|
NMRV30 |
63B5 |
95 |
115 |
140 |
4 |
11 |
– |
0.06-0.18 |
7.5-80 |
2.6-14 |
||||||||||
|
63B14 |
60 |
75 |
90 |
|||||||||||||||||
|
56B5 |
80 |
100 |
120 |
3 |
9 |
– |
||||||||||||||
|
56B14 |
50 |
65 |
80 |
|||||||||||||||||
|
NMRV40 |
71B5 |
110 |
130 |
160 |
5 |
14 |
– |
0.09-0.37 |
7.5-100 |
11-53 |
||||||||||
|
71B14 |
70 |
85 |
105 |
|||||||||||||||||
|
63B5 |
95 |
115 |
140 |
4 |
11 |
|||||||||||||||
|
63B14 |
60 |
75 |
90 |
|||||||||||||||||
|
56B5 |
80 |
100 |
120 |
3 |
– |
9 |
||||||||||||||
|
NMRV50 |
80B5 |
130 |
165 |
200 |
6 |
19 |
– |
0.12-0.75 |
7.5-100 |
21-89 |
||||||||||
|
80B14 |
80 |
100 |
120 |
|||||||||||||||||
|
71B5 |
110 |
130 |
160 |
5 |
14 |
– |
||||||||||||||
|
71B14 |
70 |
85 |
105 |
|||||||||||||||||
|
63B5 |
95 |
115 |
140 |
4 |
– |
11 |
||||||||||||||
|
NMRV63 |
90B5 |
130 |
165 |
200 |
8 |
24 |
– |
0.25-1.5 |
7.5-100 |
56-166 |
||||||||||
|
90B14 |
95 |
115 |
140 |
|||||||||||||||||
|
80B5 |
130 |
165 |
200 |
6 |
19 |
– |
||||||||||||||
|
80B14 |
80 |
100 |
120 |
|||||||||||||||||
|
71B5 |
110 |
130 |
160 |
5 |
– |
14 |
||||||||||||||
|
71B14 |
70 |
85 |
105 |
|||||||||||||||||
|
NMRV75 |
100/112B5 |
180 |
215 |
250 |
8 |
– |
28 |
– |
0.55-4 |
7.5-100 |
90-269 |
|||||||||
|
100/112B14 |
110 |
130 |
160 |
|||||||||||||||||
|
90B5 |
130 |
165 |
200 |
8 |
24 |
– |
||||||||||||||
|
90B14 |
95 |
115 |
140 |
|||||||||||||||||
|
80B5 |
130 |
165 |
200 |
6 |
– |
19 |
||||||||||||||
|
80B14 |
80 |
100 |
120 |
|||||||||||||||||
|
71B5 |
110 |
130 |
160 |
– |
– |
14 |
||||||||||||||
|
NMRV90 |
100/112B5 |
180 |
215 |
250 |
8 |
– |
28 |
– |
0.55-4 |
7.5-100 |
101-458 |
|||||||||
|
100/112B14 |
110 |
130 |
160 |
|||||||||||||||||
|
90B5 |
130 |
165 |
200 |
8 |
24 |
– |
||||||||||||||
|
90B14 |
95 |
115 |
140 |
|||||||||||||||||
|
80B5 |
130 |
165 |
200 |
6 |
– |
19 |
||||||||||||||
|
80B14 |
80 |
100 |
120 |
|||||||||||||||||
|
NMRV110 |
132B5 |
230 |
265 |
300 |
10 |
– |
38 |
– |
1.1-7.5 |
7.5-100 |
242-660 |
|||||||||
|
132B14 |
130 |
165 |
200 |
– |
||||||||||||||||
|
100/112B5 |
180 |
215 |
250 |
8 |
28 |
– |
||||||||||||||
|
90B5 |
130 |
165 |
200 |
– |
24 |
|||||||||||||||
|
90B14 |
95 |
115 |
140 |
– |
||||||||||||||||
|
80B5 |
130 |
165 |
200 |
– |
19 |
|||||||||||||||
|
NMRV130 |
132B5 |
230 |
265 |
300 |
10 |
– |
38 |
– |
2.2-7.5 |
7.5-100 |
333-1596 |
|||||||||
|
132B14 |
130 |
165 |
200 |
– |
||||||||||||||||
|
100/112B5 |
180 |
215 |
250 |
8 |
– |
28 |
||||||||||||||
|
90B5 |
130 |
165 |
200 |
– |
– |
24 |
||||||||||||||
|
90B14 |
95 |
115 |
140 |
|||||||||||||||||
|
NMRV150 |
160B5 |
250 |
300 |
350 |
12 |
– |
42 |
– |
2.2-15 |
7.5-100 |
570-1760 |
|||||||||
|
132B5 |
230 |
265 |
300 |
10 |
– |
38 |
– |
|||||||||||||
|
132B14 |
130 |
165 |
200 |
– |
||||||||||||||||
|
100/112B5 |
180 |
215 |
250 |
8 |
– |
28 |
||||||||||||||
Company profile
Scenario
Packing
FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors. /* 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, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | B3,B6,B7,B8,V5,V6 |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Customization: |
Available
|
|
|---|
How does the choice of winch drives affect the overall performance and reliability of lifting operations?
The choice of winch drives has a significant impact on the overall performance and reliability of lifting operations. Here’s a detailed explanation of how the choice of winch drives affects performance and reliability:
- Lifting Capacity:
The choice of winch drives directly affects the lifting capacity of the system. Different winch drives have varying load capacities, and selecting an appropriate winch drive that matches the intended lifting requirements is crucial. Choosing a winch drive with insufficient lifting capacity can result in overloading, which can lead to equipment failure, safety hazards, and potential damage to the load or surrounding structures. On the other hand, selecting a winch drive with a higher lifting capacity than necessary can lead to unnecessary costs and inefficient operation. Therefore, selecting the right winch drive with the appropriate lifting capacity is essential for optimal performance and reliability.
- Speed and Control:
The choice of winch drives also affects the speed and control of lifting operations. Different winch drives offer varying speed ranges and control options. High-quality winch drives provide smooth and precise speed control, allowing for accurate positioning and delicate handling of loads. The choice of winch drives with suitable speed and control capabilities ensures efficient and controlled lifting operations, reducing the risk of accidents, damage to the load, or strain on the lifting equipment. Additionally, winch drives with advanced control features, such as programmable logic controllers (PLCs) or electronic control systems, enhance operational reliability and performance by enabling synchronized movements and automation.
- Durability and Reliability:
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- Safety Features:
Winch drives come with various safety features that contribute to the overall performance and reliability of lifting operations. These safety features include overload protection systems, emergency stop controls, limit switches, and fail-safe mechanisms. The choice of winch drives with comprehensive safety features enhances the safety of lifting operations by preventing overloading, safeguarding against equipment failures, and providing emergency shutdown options in critical situations. Properly selecting winch drives with appropriate safety features ensures compliance with safety regulations, reduces the risk of accidents, and enhances the reliability of lifting operations.
- Compatibility and Integration:
Choosing winch drives that are compatible with the overall lifting system and easily integrable with other components is crucial for optimal performance and reliability. Compatibility issues can arise if the selected winch drive does not match the mechanical requirements, power supply, or control interfaces of the lifting system. Incompatibility can lead to operational inefficiencies, increased maintenance needs, or even system failures. Therefore, careful consideration of the compatibility and integration aspects when choosing winch drives ensures seamless integration, smooth operation, and enhanced reliability of lifting operations.
In summary, the choice of winch drives significantly impacts the overall performance and reliability of lifting operations. Factors such as lifting capacity, speed and control capabilities, durability and reliability, safety features, and compatibility with the overall system should be carefully considered when selecting winch drives. By choosing the right winch drives that meet the specific requirements of the lifting operations, operators can achieve optimal performance, ensure safe and efficient lifting, and enhance the overall reliability of the operations.
How do winch drives contribute to precise and controlled movement in lifting operations?
Winch drives play a crucial role in achieving precise and controlled movement in lifting operations. They provide the necessary power and control to lift and lower loads in a controlled manner. Here’s a detailed explanation of how winch drives contribute to precise and controlled movement in lifting operations:
- Pulling Power:
Winch drives are designed to generate substantial pulling power, allowing them to lift heavy loads. The power output of the winch drive is determined by factors such as the type of drive (electric, hydraulic, or pneumatic), motor power, and gear ratios. The high pulling power of winch drives enables them to handle loads with precision and control, even in challenging lifting scenarios.
- Variable Speed Control:
Many winch drives offer variable speed control, allowing operators to adjust the lifting or lowering speed according to the specific requirements of the operation. This feature enables precise movement control, particularly when dealing with delicate or sensitive loads. Operators can slow down the speed for fine positioning or speed up the operation for more efficient lifting, depending on the situation. Variable speed control enhances the precision and control of the lifting process, minimizing the risk of load damage or accidents.
- Braking Systems:
Winch drives are typically equipped with braking systems to ensure load holding and prevent unintended movement. The braking systems are designed to engage when the winch motor is not actively pulling or lowering the load, effectively immobilizing the load at the desired position. This feature allows for precise control over the load’s movement and prevents it from unintentionally drifting or descending. The braking systems contribute to the overall safety and stability of the lifting operation.
- Control Mechanisms:
The control mechanisms of winch drives play a significant role in achieving precise and controlled movement. Winch drives can be operated manually, through remote control systems, or integrated control interfaces. Remote control systems, for example, enable operators to control the winch drive from a safe distance, providing better visibility and control over the lifting operation. Integrated control interfaces often offer additional features such as load monitoring, digital displays, and programmable settings, allowing for more precise and controlled movement of the load.
- Load Monitoring and Safety Features:
Winch drives may incorporate load monitoring systems and safety features to further enhance precise and controlled movement. Load monitoring systems provide real-time feedback on the load’s weight, allowing operators to adjust the lifting parameters accordingly. Safety features such as overload protection and limit switches prevent the winch drive from operating beyond its capacity or reaching unsafe positions, ensuring controlled movement and preventing damage or accidents.
By combining their pulling power, variable speed control, braking systems, control mechanisms, and safety features, winch drives enable precise and controlled movement in lifting operations. They provide the necessary power, control, and safety measures to handle heavy loads with accuracy, minimizing the risk of load damage, accidents, or injuries. The precise and controlled movement achieved through winch drives enhances operational efficiency, load positioning, and overall safety in lifting operations.
What are the advantages of using a winch drive in comparison to other lifting mechanisms?
Using a winch drive as a lifting mechanism offers several advantages over other lifting mechanisms. The unique characteristics and capabilities of winch drives make them a preferred choice in various applications. Here’s a detailed explanation of the advantages of using a winch drive in comparison to other lifting mechanisms:
- Versatility:
Winch drives offer versatility in terms of their application and adaptability to different industries. They can be utilized in a wide range of scenarios, including off-road recovery, marine operations, construction sites, and recreational activities. Winch drives can handle various load sizes and weights, making them suitable for both light and heavy lifting tasks. The ability to use winch drives in diverse environments and industries makes them a flexible and versatile choice for lifting and pulling operations.
- Control and Precision:
Winch drives provide precise control over the lifting and pulling operation. The gearing system allows operators to adjust the speed and direction of the winch drive, enabling accurate positioning and controlled movement of the load. This level of control is particularly beneficial in applications where precise load placement or delicate handling is required. Winch drives allow for fine adjustments and smooth operation, resulting in improved precision and reduced risk of damage to the load or surrounding structures.
- Pulling Power:
Winch drives are designed to generate significant pulling power, allowing them to handle heavy loads effectively. The power source, whether it’s an electric motor or hydraulic system, provides the necessary energy to generate substantial pulling force. This makes winch drives suitable for tasks that involve moving or lifting heavy objects, such as in construction, industrial settings, or vehicle recovery. The pulling power of winch drives gives them an advantage over other lifting mechanisms that may have limited capacity or require additional equipment for handling heavier loads.
- Compactness and Portability:
Winch drives are generally compact and portable, which enhances their usability in various settings. They can be easily mounted on vehicles, equipment, or structures, offering mobility and convenience. Compact winch drives are particularly useful in off-road vehicles, where space may be limited. The portability of winch drives allows for flexibility in different applications and enables their use in remote or challenging locations where other lifting mechanisms may not be easily accessible.
- Safety:
Winch drives are designed with safety features to ensure secure and controlled lifting operations. These features may include overload protection, emergency stop mechanisms, and limit switches. The braking system in winch drives provides reliable load holding, preventing unintentional load release. Additionally, winch drives can be equipped with remote control systems, allowing operators to maintain a safe distance during operation. The safety features and control mechanisms of winch drives contribute to enhanced safety and minimize the risk of accidents or injuries.
These advantages make winch drives a preferred choice over other lifting mechanisms in many applications. The versatility, control, pulling power, compactness, portability, and safety features of winch drives provide distinct benefits that cater to the specific requirements of lifting and pulling operations in various industries and scenarios.
editor by CX 2024-04-16