China best RV Series Aluminum/Cast Iron Worm Gear Boxes Gearbox Speed Reducer with IEC B5/B14 Input Flange

Product Description

RV Series Worm Gear Boxes Gearbox Speed Reducer with Electric Motors

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

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

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winch drive

What are the signs that indicate a need for winch drive replacement or maintenance, and how can they be diagnosed?

Winch drives, like any mechanical component, require regular maintenance and may eventually need replacement. Here’s a detailed explanation of the signs that indicate a need for winch drive replacement or maintenance and how they can be diagnosed:

  • Unusual Noises:

If you notice unusual noises such as grinding, squealing, or rattling coming from the winch drive, it may indicate a problem that requires maintenance. These noises can be caused by worn-out gears, misaligned components, or damaged bearings. Diagnosing the issue involves inspecting the winch drive for any visible signs of damage or wear, and listening carefully to identify the source of the noise. Professional technicians can perform a thorough examination, including disassembling the winch drive if necessary, to identify the specific cause and determine if repair or replacement is needed.

  • Excessive Vibration:

If the winch drive exhibits excessive vibration during operation, it may be a sign of misalignment, loose connections, or worn-out components. Excessive vibration can lead to accelerated wear and potential damage to the system. To diagnose the issue, visual inspection should be conducted to check for loose bolts, misaligned shafts, or damaged mounting brackets. Additionally, measuring and analyzing the vibration levels using specialized equipment can provide valuable insights into the severity of the problem. Based on the findings, appropriate maintenance actions can be taken, such as realigning components or replacing worn-out parts.

  • Reduced Performance:

If the winch drive exhibits reduced performance, such as slower operation, decreased pulling force, or inconsistent speed control, it may indicate the need for maintenance or replacement. Reduced performance can be caused by various factors, including worn-out gears, insufficient lubrication, motor issues, or electrical problems. Diagnosing the cause involves conducting performance tests to measure parameters such as speed, torque, and load capacity. Additionally, a comprehensive inspection of the winch drive’s components, including motors, gearboxes, and control systems, can help identify any underlying issues affecting performance. Based on the findings, appropriate maintenance or replacement measures can be taken to restore optimal performance.

  • Fluid Leaks:

Fluid leaks, such as oil or hydraulic fluid, around the winch drive are clear signs of a potential problem. Fluid leaks can indicate damaged seals, gaskets, or hoses, which can lead to loss of lubrication or compromised hydraulic systems. Diagnosing fluid leaks involves visually inspecting the winch drive for any signs of leakage, including oil stains, puddles, or wetness around the components. Identifying the source of the leak is crucial to determine the appropriate maintenance or replacement actions required, such as replacing seals or repairing hydraulic lines.

  • Overheating:

If the winch drive becomes excessively hot during operation, it may indicate a need for maintenance or replacement. Overheating can be caused by factors such as inadequate ventilation, overloading, or motor issues. Diagnosing overheating involves monitoring the temperature of the winch drive during operation, using infrared thermometers or temperature sensors. Additionally, inspecting the cooling mechanisms, such as fans or heat sinks, and checking for any obstructions or malfunctions can provide insights into the cause of overheating. Depending on the severity of the issue, actions such as cleaning, adjusting ventilation, or replacing overheating components may be necessary.

In summary, signs that indicate a need for winch drive replacement or maintenance include unusual noises, excessive vibration, reduced performance, fluid leaks, and overheating. Diagnosing these signs involves visual inspection, performance testing, monitoring, and analysis to identify the specific cause. Engaging professional technicians or maintenance personnel who are familiar with winch drives can help ensure accurate diagnosis and appropriate maintenance or replacement actions to address the identified issues.

winch drive

Can you provide examples of products or machinery that commonly use winch drives?

Winch drives are widely used in various industries and applications where lifting, pulling, or positioning heavy loads is required. They offer a versatile and efficient solution for numerous tasks. Here are some examples of products or machinery that commonly use winch drives:

  • Cranes:

Winch drives are an integral part of cranes used in construction, manufacturing, and shipping industries. They enable the lifting and lowering of loads, as well as the movement of crane booms and jibs. Cranes such as mobile cranes, tower cranes, and overhead cranes rely on winch drives for their lifting capabilities.

  • Elevators and Lifts:

Winch drives are used in elevators and lifts to vertically transport people or goods between different levels of buildings or structures. They provide the necessary lifting force for the elevator car or lift platform, allowing smooth and controlled vertical movement.

  • Marine Equipment:

Winch drives are commonly found in various marine equipment and vessels. They are used in shipboard cranes, davits, anchor handling winches, mooring winches, and fishing equipment. Winch drives play a crucial role in the handling of heavy equipment, cargo, and anchoring operations in marine environments.

  • Offshore and Oil Rig Applications:

In offshore and oil rig applications, winch drives are utilized for various tasks. They are used in winches for launching and recovering subsea equipment, handling pipes and cables, and positioning heavy loads on offshore platforms. Winch drives are also employed in drilling equipment for operations such as raising and lowering the drilling string.

  • Material Handling Equipment:

A wide range of material handling equipment relies on winch drives for lifting and pulling operations. This includes hoists, winch trucks, forklifts, conveyor systems, and overhead cranes used in warehouses, manufacturing facilities, and construction sites. Winch drives enable efficient and controlled movement of heavy materials and equipment.

  • Entertainment Industry:

The entertainment industry extensively uses winch drives for stage rigging, theatrical productions, and concert setups. Winch drives are employed to move and control stage elements, lighting fixtures, sound equipment, and special effects. They allow for dynamic and precise positioning of equipment during performances.

  • Automotive Recovery and Towing:

Winch drives are commonly used in recovery and towing equipment for vehicles. They are mounted on trucks or trailers and provide the pulling force necessary to recover stuck or immobilized vehicles. Winch drives are also utilized in off-road vehicles and ATV (All-Terrain Vehicle) winches for self-recovery or assisting others.

  • Agricultural Machinery:

In the agricultural sector, winch drives are employed in various machinery such as agricultural sprayers, irrigation systems, and harvesting equipment. They facilitate the movement and positioning of equipment, as well as the lifting and lowering of heavy loads, enhancing efficiency in farming operations.

These examples illustrate the wide-ranging applications of winch drives across different industries. Their versatility and adaptability make them essential components in various products and machinery that involve lifting, pulling, or positioning heavy loads.

winch drive

Can you describe the various types and configurations of winch drives available in the market?

There are several types and configurations of winch drives available in the market, each designed to suit specific applications and requirements. Here’s a detailed description of the various types and configurations of winch drives:

  • Electric Winch Drives:

Electric winch drives are powered by electric motors and are widely used in various industries. They are available in different load capacities and configurations. Electric winches are known for their ease of use, precise control, and relatively low maintenance requirements. They can be mounted on vehicles, equipment, or structures and are commonly used in applications such as vehicle recovery, marine operations, construction sites, and material handling.

  • Hydraulic Winch Drives:

Hydraulic winch drives are powered by hydraulic systems and offer high pulling power for heavy-duty applications. They are commonly used in industries such as construction, oil and gas, and marine operations. Hydraulic winch drives are known for their robustness, durability, and ability to handle extreme loads. They are often mounted on large vehicles, cranes, or offshore platforms. Hydraulic winch drives require hydraulic power sources, such as hydraulic pumps, and are suitable for applications that require continuous and sustained pulling power.

  • Pneumatic Winch Drives:

Pneumatic winch drives utilize compressed air as the power source. They are mainly used in hazardous or explosive environments where electric or hydraulic power sources are not suitable. Pneumatic winch drives are commonly found in industries such as mining, oil refineries, and chemical plants. They offer a high level of safety due to the absence of electrical components and are capable of handling heavy loads in challenging environments.

  • Planetary Winch Drives:

Planetary winch drives are a popular type of winch drive known for their compact size, high efficiency, and high torque output. They consist of a central sun gear, multiple planetary gears, and an outer ring gear. The planetary gear system allows for high torque multiplication while maintaining a compact design. Planetary winch drives are commonly used in off-road vehicles, ATV winches, and small to medium-sized industrial applications.

  • Worm Gear Winch Drives:

Worm gear winch drives utilize a worm gear mechanism to achieve high gear reduction ratios. They offer excellent load holding capabilities and are commonly used in applications where precise load control and safety are paramount. Worm gear winch drives are popular in industries such as construction, theater rigging, and material handling. They are known for their self-locking feature, which prevents backdriving and provides secure load holding.

  • Capstan Winch Drives:

Capstan winch drives are designed with a rotating drum or capstan instead of a traditional spool. They are commonly used in applications that require constant tension or controlled pulling speeds, such as in marine settings for mooring operations or on fishing vessels. Capstan winch drives offer efficient and continuous pulling power and are suitable for handling ropes, cables, or lines with minimal slippage.

  • Wire Rope Winch Drives:

Wire rope winch drives are specifically designed to handle wire ropes as the lifting or pulling medium. They are equipped with drums that accommodate wire ropes of different diameters and lengths. Wire rope winch drives are commonly used in industries such as construction, mining, and offshore operations. They offer high load capacities and are suitable for heavy-duty applications that require strength, durability, and resistance to abrasion.

These are some of the various types and configurations of winch drives available in the market. Each type has its own advantages and is designed to cater to specific applications and industry requirements. When selecting a winch drive, it’s important to consider factors such as load capacity, power source, control mechanisms, and environmental conditions to ensure optimal performance and efficiency.

China best RV Series Aluminum/Cast Iron Worm Gear Boxes Gearbox Speed Reducer with IEC B5/B14 Input Flange  China best RV Series Aluminum/Cast Iron Worm Gear Boxes Gearbox Speed Reducer with IEC B5/B14 Input Flange
editor by Dream 2024-05-16