China Best Sales Nmrv Worm Gearbox Gearhead for NEMA Motor cvt gearbox

Product Description

RV Series Flange Or Foot Mounted 40: 1 Ratio AC Motor Gearbox worm gearbox unit

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

Main Feature

The gearbox can rotate in both directions operate and contains 1 oil filling at delivery.  you will benefit from its high quality and a short delivery time.

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: Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: B3,B6,B7,B8,V5,V6
Samples:
US$ 112/Piece
1 Piece(Min.Order)

|

Order Sample
Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.





about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

nmrv gearbox

Troubleshooting Abnormal Noises in an NMRV Gearbox

Abnormal noises from an NMRV gearbox can be troublesome and might indicate underlying issues. Follow these steps to troubleshoot and resolve the problem:

  1. Identify the Noise: Listen closely to the noise and determine if it’s a grinding, whining, or knocking sound.
  2. Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
  3. Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
  4. Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
  5. Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
  6. Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
  7. Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
  8. Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn’t overloaded.
  9. Check Mounting: Confirm the gearbox is properly mounted and aligned.
  10. Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
  11. Professional Help: If the issue persists, seek help from a professional technician or manufacturer.

Follow these steps to identify and rectify abnormal noises in your NMRV gearbox.

nmrv gearbox

Lubrication for an NMRV Gearbox

Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:

  • Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
  • Initial Fill: Prior to the gearbox’s first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer’s guidelines for the proper quantity.
  • Lubricant Change: Regularly change the lubricant according to the manufacturer’s recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
  • Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
  • Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
  • Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.

Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.

nmrv gearbox

Key Features of an NMRV Gearbox

NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:

  • Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
  • High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
  • Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
  • Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
  • Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
  • Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
  • Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
  • Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
  • Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.

It’s important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.

China Best Sales Nmrv Worm Gearbox Gearhead for NEMA Motor cvt gearbox China Best Sales Nmrv Worm Gearbox Gearhead for NEMA Motor cvt gearbox
editor by CX 2024-04-16