Product Description

RV Series Worm Gear Boxes Gearbox Speed Reducer with Electric Motors

Input Configurations

Double or single input shaft (NRV)

Round Input Flange for IEC B5/B14 motor (NMRV)

  Square Input Flange for Servo Motor (NMRV) 

Output Configurations

 

Double Output Shaft (AB) or Single Output Shaft (AS)

Output flange

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

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.

Application: Motor, Machinery, Agricultural Machinery, Material Handling Machines
Hardness: Hardened Tooth Surface
Installation: B3, B6, B7, B8, V5, V6
Step: Single-Step
Type: Worm Reducer
Rated Power: 0.18 Kw
Customization:
Available

|

Customized Request

agricultural gearbox

Considerations for Heavy-Duty Farming Gearboxes

Heavy-duty farming applications require robust and reliable gearboxes that can withstand high loads, harsh conditions, and frequent use. Here are the key considerations for selecting gearboxes for heavy-duty farming:

  • Load Capacity: Heavy-duty gearboxes must have a high load-carrying capacity to handle the demands of agricultural machinery, such as tillers, plows, and combines.
  • Material Durability: Gearboxes should be constructed from durable materials, such as hardened steel or cast iron, that can withstand the stresses and impacts associated with heavy-duty tasks.
  • Sealing and Protection: Effective sealing and protection mechanisms, such as robust seals and gaskets, prevent the ingress of dirt, water, and contaminants that can cause premature wear and damage.
  • Lubrication System: A reliable and efficient lubrication system is crucial for heavy-duty gearboxes to ensure proper lubrication of components under high loads and temperatures.
  • Heat Dissipation: Heavy-duty applications generate significant heat. Gearboxes should have efficient heat dissipation mechanisms, such as cooling fins or oil coolers, to prevent overheating and maintain performance.
  • Design and Construction: Gearbox design should incorporate reinforced housing, larger bearings, and robust gears to handle heavy loads without compromising structural integrity.
  • Alignment and Mounting: Proper alignment and mounting are essential to ensure smooth and efficient power transmission. Misalignment can lead to increased wear and reduced gearbox lifespan.
  • Maintenance Accessibility: Heavy-duty gearboxes should be designed for easy maintenance access. Features such as removable covers and inspection points simplify servicing and repairs.
  • Compatibility: Gearboxes should be compatible with the specific machinery and tasks they will be used for. Customizable gear ratios and output shaft configurations enhance versatility.
  • Reliability and Longevity: Heavy-duty gearboxes should be built to last, with quality craftsmanship and components that can withstand the demanding conditions of agricultural operations.
  • Safety: Safety features, such as guards and emergency shutdown mechanisms, are essential to protect operators and nearby personnel from potential hazards.
  • Environmental Considerations: Gearbox designs should consider environmental regulations and emissions standards to minimize the impact on the environment.
  • Cost-Effectiveness: While heavy-duty gearboxes require a higher upfront investment, their durability and performance contribute to long-term cost-effectiveness by reducing downtime and the need for frequent replacements.

By carefully considering these factors, farmers can select the appropriate heavy-duty gearboxes that enhance productivity and reliability in their farming operations.

agricultural gearbox

Specific Safety Precautions for Agricultural Gearbox Operation

Operating agricultural machinery with gearboxes requires careful attention to safety to prevent accidents and ensure the well-being of operators and bystanders. Here are some specific safety precautions associated with agricultural gearbox operation:

  • Read the Manual: Familiarize yourself with the manufacturer’s manual for the specific gearbox and machinery. It provides valuable information about proper operation, maintenance, and safety guidelines.
  • Proper Training: Ensure that operators are trained in the safe operation of the machinery, including how to engage and disengage the gearbox, adjust speeds, and handle emergencies.
  • Protective Gear: Operators should wear appropriate protective gear, such as helmets, gloves, safety goggles, and sturdy footwear, to reduce the risk of injury from debris, moving parts, or other hazards.
  • Clear Workspace: Before operating the machinery, clear the area of obstacles, debris, and bystanders. Ensure a safe distance between the machinery and people.
  • Secure Attachments: If the gearbox is used in conjunction with attachments, ensure that they are properly secured and mounted according to manufacturer guidelines to prevent detachment during operation.
  • Engage Safely: Engage the gearbox and start the machinery only after ensuring that all personnel are at a safe distance and that the machinery is on stable ground.
  • Avoid Loose Clothing: Operators should avoid wearing loose clothing or accessories that could get caught in moving parts.
  • Emergency Stops: Familiarize yourself with the location of emergency stop buttons and switches on the machinery and be prepared to use them if needed.
  • Regular Maintenance: Perform routine maintenance checks on the gearbox and machinery to ensure that all components are in proper working condition. Replace worn parts and lubricate components as recommended by the manufacturer.
  • Shut Down Properly: When finishing a task, disengage the gearbox, shut off the machinery, and engage any safety locks to prevent accidental starts.

Following these safety precautions can greatly reduce the risk of accidents and injuries when operating agricultural machinery with gearboxes. Always prioritize safety to create a secure working environment for everyone involved.

agricultural gearbox

Power Transmission in Farming Equipment with Agricultural Gearboxes

Agricultural gearboxes play a vital role in facilitating power transmission within various types of farming equipment. These gearboxes are integral components that enable the transfer of rotational power from a tractor’s engine to different agricultural implements and machinery. Here’s how agricultural gearboxes contribute to power transmission:

  • Speed Reduction: In many farming operations, the engine of a tractor or other power source operates at a higher speed than is suitable for the optimal functioning of agricultural implements. Agricultural gearboxes provide speed reduction by using a combination of gears with different numbers of teeth. This reduction in speed allows the machinery to operate at the required speed for efficient tasks like tilling, planting, or harvesting.
  • Power Multiplication: Some agricultural tasks require a significant amount of torque to operate effectively. Gearboxes can multiply the input torque from the engine to generate higher torque at the output shaft. This is crucial for tasks such as plowing, where substantial force is needed to break up the soil.
  • Directional Change: Agricultural gearboxes also allow for changes in the direction of power transmission. For instance, a tractor’s power take-off (PTO) shaft may need to transmit power at a right angle to the tractor’s engine. Gearboxes with bevel gears or other arrangements enable this change in direction, ensuring that power is properly directed to the implement.
  • Power Distribution: In certain cases, power needs to be distributed to multiple components or implements. Agricultural gearboxes with multiple output shafts can distribute power to different tasks simultaneously, optimizing efficiency and productivity.
  • Attachment Operation: Many agricultural implements, such as plows, seed drills, and rotary mowers, require consistent and controlled power to function effectively. Gearboxes provide the necessary power and control to these attachments, ensuring uniform operation and accurate results.

By facilitating speed reduction, power multiplication, directional changes, power distribution, and attachment operation, agricultural gearboxes contribute significantly to the overall efficiency and productivity of farming equipment. They allow farmers to adapt their machinery to various tasks, optimize power usage, and achieve better results in different agricultural operations.

China Custom Motor Gear Reducer Nmrv Aluminum Worm Gearbox   gearbox design		China Custom Motor Gear Reducer Nmrv Aluminum Worm Gearbox   gearbox design
editor by CX 2023-11-16