Tag Archives: worm gearbox

China best Worm Speed Reducer Gearbox Manufacturer Price Planer Tilting Hoists differential gearbox

Product Description

Product Description

Ratio: 5:1~60:1(Single)/80:1~3600:1(2 Stage);

Input Power: 0.12~15KW;

Max. Output Torque: 4320N.m(Single);

Input Style: Compact with motor, shaft input, motor adaptor (IEC/NEMA);

Output Style: Hollow shaft output, CHINAMFG shaft output;

Installation Position: Versatile MP.

 

Detailed Photos

Images of Worm Speed Reducer Gearbox gear box manufacturer

Packing & Delivery

Packing Images of Worm Speed Reducer Gearbox gear box manufacturer
 

Inner Packing: PP bag with carton;
Outer Packing: Wooden case;
Shipment: 14-20 days CHINAMFG receiving the deposit.
 

 

Company Profile

CHINAMFG GROUP is the first and largest worm gearbox manufacturer in China, established in 1976, specialising in the production of a wide variety of transmission machinery. With more than 40 years experience in the industry, our assets now total 117.2 million dollars, and we have 2 subsidiary companies, 8 holding companies, and 12 joint-stock companies.

We can produce 400,000 units of worm gearboxes, 100,000 units of gear reducers, 50,000 units of other speed reducers, 150,000 units of flexible couplings, and 100,000 units of speed-reducer accessories every year.

70% of our products have been exported to 40 more countries, and our customers come from Italy, Germany, USA, Canada, Spain, UK, India, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries. 30% of them are OEM made for direct manufacturers of other products.
 

 

 

FAQ

Q1. Is your quality good?
A1: Quality never tell lies, we’re the largest manufacturer and exporter of worm gear reducer in Asia, the first reducers and gearboxes manufacturer in China, who has been given license since 1993. Also, we had achieved ISO9001 and CE Certificate among all manufacturers.

Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.

Q3. Do you offer any visiting?
A3: Yes! We sincerely invite you to visit us! We can pick you from airport, railway station and so on. Also, we can arrange housing for you. Please let us know in advanced.

Q4. When is the best time to contact you?
A4: You can contact us by email any time, we will reply you ASAP. If you want contact by phone, our working hour is Mon-Sat 9am-17:30pm.

 

  /* 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
Function: Distribution Power, Clutch, Change Drive Torque
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Double-Step
Customization:
Available

|

Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

  1. Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
  2. Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
  3. Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
  4. Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
  5. Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
  6. Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
  7. Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
  8. Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
  9. Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
  10. Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
  11. Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China best Worm Speed Reducer Gearbox Manufacturer Price Planer Tilting Hoists   differential gearbox	China best Worm Speed Reducer Gearbox Manufacturer Price Planer Tilting Hoists   differential gearbox
editor by CX 2024-05-03

China Custom Helical Worm Gear Motor S Series Gear Reducer Reduction Gearbox with Hot selling

Product Description

S series Helical Geared Motor Characteristics

1. Features:

  1. High efficiency: 75%-80%;
  2. High technology: the helical gear and a worm gear combined with an integrated transmission to improve the torque and efficiency.
  3. High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
  4. High interchangeability: highly modular, serial design, strong versatility and interchangeability.

2. Technical parameters
 

Ratio 6.8-288
Input power 0.12-22KW
Output torque 11-4530N.m
Output speed 5-206rpm
Mounting type Foot mounted, foot mounted with CHINAMFG shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm. 
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor TF(Thermistor protection PTC thermisto)
TH(Thermistor protection Bimetal swotch)
Mounting Position M1, M2, M3, M4, M5, M6
Type S37-S97
Output shaft dis. 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm,
Housing material HT200 high-strength cast iron from R37,47,57,67,77,87
Housing material HT250 High strength cast iron from R97 107,137,147,
157,167,187
Heat treatment technology carbonitriding and hardening treatment
Single Stage Efficiency 75%-80%
Lubricant VG220
Protection Class IP55, F class

About Us

ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CHINAMFG have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective 
measures to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the 
product is a product inspection to determine the qualified products.

7. Certification.

Packing

Delivery

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Application: Machinery, Agricultural Machinery, Dumbwaiter, Sugar Mills, and Kinds of Equipments
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Lower Rotation Speed
Layout: Corner
Hardness: Hardened Tooth Surface
Installation: Oscillating Base Type
Step: Three-Step
Customization:
Available

|

Customized Request

gearbox

Importance of Lubrication in Gearbox Performance

Lubrication plays a critical role in ensuring the optimal performance, longevity, and reliability of gearboxes. Proper lubrication provides several key benefits:

  • Reduces Friction and Wear: Lubrication forms a protective layer between gear teeth, bearings, and other moving components, reducing friction and minimizing wear and tear.
  • Heat Dissipation: Lubricants help dissipate the heat generated during gear operation, preventing overheating and potential damage to components.
  • Noise Reduction: Adequate lubrication can dampen noise and vibration produced by gear meshing, leading to quieter and smoother operation.
  • Sealing and Contaminant Prevention: Lubricants create a barrier that seals out contaminants like dust, dirt, and moisture, preventing their entry and reducing the risk of corrosion and damage.
  • Enhanced Efficiency: Proper lubrication reduces energy losses due to friction, improving the overall efficiency of the gearbox.
  • Extended Lifespan: Lubrication helps prevent premature component wear and failure, extending the lifespan of the gearbox and minimizing the need for costly repairs or replacements.
  • Optimal Performance: Gearboxes operate within specified tolerances when properly lubricated, ensuring they deliver the intended performance and functionality.

It’s essential to use the recommended lubricant type, viscosity, and change intervals specified by the gearbox manufacturer to ensure the best possible performance and longevity. Regular monitoring and maintenance of lubrication levels are crucial to preserving the health of the gearbox and its components.

China Custom Helical Worm Gear Motor S Series Gear Reducer Reduction Gearbox   with Hot selling		China Custom Helical Worm Gear Motor S Series Gear Reducer Reduction Gearbox   with Hot selling
editor by CX 2024-04-25

China high quality High Torque 2320 RV40 Double Worm Gear Reducer Gearbox for Mining Machine synchromesh gearbox

Product Description

Why Choose Us

Product Details

Type

Worm Gear Speed Reducer/ gearbox

Model

WMRV 25/30/40/50/63/75/90/110/130/150/185

Ratio

7.5,10,15,20,25,30,40,50,60,80,100.

Color

Blue(RAL5571)/Silver grey (K9149) Or On Customer Request

Material

Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)

Worm wheel: Aluminum Bronze or Tin Bronze

Worm shaft: 20CrMn Ti

Output Shaft: steel-45#

Packing

Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty 1 Year
Input Power 0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange IEC standard flange or on customer request
Lubricant Synthetic oil or worm gear oil

 

 

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

/* 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
Function: Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Samples:
US$ 25/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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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.

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

  1. Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
  2. Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
  3. Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
  4. Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
  5. Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
  6. Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
  7. Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
  8. Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
  9. Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
  10. Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
  11. Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China high quality High Torque 2320 RV40 Double Worm Gear Reducer Gearbox for Mining Machine   synchromesh gearbox	China high quality High Torque 2320 RV40 Double Worm Gear Reducer Gearbox for Mining Machine   synchromesh gearbox
editor by CX 2024-04-22

China supplier Nmrv090 90b14 Low Speed Worm Gearbox Reducer wholesaler

Product Description

 

Technical data list: 

Type: Worm Gear Speed Reducer
Model: NMRV571–150
Ratio: 1:7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/Silver Or On Customer Request
Material Housing: Blue-Coloured Cast-Iron
Worm Gear-Copper-10-3#
Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Lubricant: Synthetic&Mineral
Bearing: C&U Bearing
Seal: NAK
Warranty: -30-40°C
ICE FLANGE 80B5,90B5,100B5,112B5,132B5,160B5 
Rated power: 0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
Application Metallurgical machinery, food machinery, stage machinery,
welding machinery, road machinery, amusement machines,
packaging machinery, Rubber and plastic machinery,
environmental protection machinery ,engineering machinery,
construction machinery, machine tool industry,
 automotive industry, logistics and transportation and so on

 
 

NMRV PAM N M P D
  ICE       5 7.5 10 15 20 25 30 40 50 60 80 100
25 56B14 50 65 80 9 9 9 9 9   9 9 9 9    
30 63B5 95 115 140 11 11 11 11 11 11 11 11 11      
63B14 60 75 90                        
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 9  
56B14 50 65 80                        
40 71B5 110 130 160 14 14 14 14 14 14 14 14        
71B14 70 85 105                        
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90                        
56B5 80 100 120                 9 9 9 9
50 80B5 130 165 200 19 19 19 19 19 19 19          
80B14 80 100 120                        
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14  
71B14 70 85 105                        
63B5 95 115 140               11 11 11 11 11
63 90B5 130 165 200   24 24 24 24 24 24          
90B14 95 115 140                        
80B5 130 165 200   19 19 19 19 19 19 19 19 19    
80B14 80 100 120                        
71B5 110 130 160               14 14 14 14  14
71B14 70 85 105                        
75 100/112B5 180 215 250   28 28 28                
100/112B14 110 130 150                        
90B5 130 165 200   24 24 24 24 24 24 24        
90B14 95 115 140                        
80B5 130 165 200         19 19 19 19 19 19 19 19
80B14 80 100 120                        
71B5 110 130 160                 14 14 14 14
90 100/112B5 190 215 250   28 28 28 28 28 28          
100/112B14 110 130 160                        
90B5 130 165 200   24 24 24 24 24 24 24 24 24    
90B14 95 115 140                        
80B5 130 165 200               19 19 19 19 19
80B14 80 100 120                        
110 132B5 230 265 300   38 38 38 38              
100/112B5 180 215 250   28 28 28 28 28 28 28 28 28    
90B5 130 165 200           24 24 24 24 24 24 24
80B5 130 165 200                     19 19
130 132B5 230 265 300   38 38 38 38 38 38 38        
100/112B5 180 215 250           28 28 28 28 28 28 28
90B5 130 165 200                     24 24
150 160B5 250 300 350   42 42 42 42 42            
132B5 230 265 250         38 38 38 38 38 38    
100/112B5 180 215 200                 28 28 28 28

      

 

Components:

1. Housing: Die-cast Aluminum Alloy Gearbox (RV571~RV090)
Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
CHINAMFG Shaft Input
Worm Shaft Tail Extension Input

5. Output Configurations: Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in CHINAMFG Shaft Output
6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover
7. Gearbox Painting:
Aluminum Alloy Gearbox:
After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5571 Gentian Blue or RAL 7035 Light Grey
Cast Iron Gearbox:
After Painting with Red Antirust Paint, Paint with the Color of RAL 5571 Gentian Blue

Workshop show

  

FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and 
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from. /* 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, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Single-Step
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Can I Use Synthetic Oil in My Gearbox?

Yes, you can use synthetic oil in your gearbox, and in many cases, it can offer several advantages over conventional mineral-based oils:

  • Improved Temperature Stability: Synthetic oils typically have a higher resistance to thermal breakdown, making them suitable for gearboxes that operate at high temperatures.
  • Enhanced Lubrication: Synthetic oils often have superior lubrication properties, providing better protection against friction, wear, and component damage.
  • Extended Oil Change Intervals: Synthetic oils can often withstand longer operating periods without losing their effectiveness, reducing the frequency of oil changes and maintenance.
  • Reduced Viscosity Changes: Synthetic oils are less prone to viscosity changes at different temperatures, ensuring consistent lubrication performance in varying conditions.
  • Lower Friction and Energy Loss: The smoother molecular structure of synthetic oils can lead to reduced internal friction, potentially improving gearbox efficiency and performance.
  • Cold Weather Performance: Synthetic oils generally flow better at low temperatures, making them suitable for gearboxes operating in cold climates.
  • Protection Against Oxidation: Synthetic oils often have better resistance to oxidation, helping to prevent the formation of sludge and deposits that can impact gearbox performance.

However, before switching to synthetic oil, it’s important to consider the manufacturer’s recommendations and specifications for your specific gearbox model. Some gearboxes may have specific requirements or restrictions on the type of lubricant to use. If the manufacturer approves the use of synthetic oil, it can be a beneficial choice, but if not, sticking to the recommended oil type is crucial to ensure proper gearbox function and warranty coverage.

China supplier Nmrv090 90b14 Low Speed Worm Gearbox Reducer   wholesaler China supplier Nmrv090 90b14 Low Speed Worm Gearbox Reducer   wholesaler
editor by CX 2024-04-17

China wholesaler Nmrv Series Worm Reduction Gearbox wholesaler

Product Description

Product Description

  • NMRV – Sizes:–150
  • Input Options: with input shaft, With Square flange,With Input Flange
  • Input Power 0.06 to 11 kW
  • NMRV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
  • Ratios between 5 and 100
  • Max torque 1550 N.m and admissible output radial loads max 8771 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: Copper (KK Cu). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Size 030 and over are painted with RAL 5571 blue
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug,Small gap

       

Model Output Torque Output Shaft Dia.
NMRV030  21N.m  φ14
NMRV040  45N.m  φ19
NMRV050  84N.m  φ25
NMRV063  160N.m  φ25
NMRV075  230N.m  φ28
NMRV090  410N.m  φ35
NMRV105  630N.m  φ42
NMRV110  725N.m  φ42
NMRV130  1050N.m  φ45
NMRV150  1550N.m  φ50

Quality Control

Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy: to enhance the overall level in the field of power transmission  
Quality View: Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures to prevent recurrence.
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend; found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state. After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of customer expectations and needs.
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product is a product inspection to determine the qualified products.
 

Matching Power Form

Detailed Photos

Packaging & Shipping

Certifications

 

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Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step
Samples:
US$ 40/Piece
1 Piece(Min.Order)

|
Request Sample

gearbox

Importance of Lubrication in Gearbox Performance

Lubrication plays a critical role in ensuring the optimal performance, longevity, and reliability of gearboxes. Proper lubrication provides several key benefits:

  • Reduces Friction and Wear: Lubrication forms a protective layer between gear teeth, bearings, and other moving components, reducing friction and minimizing wear and tear.
  • Heat Dissipation: Lubricants help dissipate the heat generated during gear operation, preventing overheating and potential damage to components.
  • Noise Reduction: Adequate lubrication can dampen noise and vibration produced by gear meshing, leading to quieter and smoother operation.
  • Sealing and Contaminant Prevention: Lubricants create a barrier that seals out contaminants like dust, dirt, and moisture, preventing their entry and reducing the risk of corrosion and damage.
  • Enhanced Efficiency: Proper lubrication reduces energy losses due to friction, improving the overall efficiency of the gearbox.
  • Extended Lifespan: Lubrication helps prevent premature component wear and failure, extending the lifespan of the gearbox and minimizing the need for costly repairs or replacements.
  • Optimal Performance: Gearboxes operate within specified tolerances when properly lubricated, ensuring they deliver the intended performance and functionality.

It’s essential to use the recommended lubricant type, viscosity, and change intervals specified by the gearbox manufacturer to ensure the best possible performance and longevity. Regular monitoring and maintenance of lubrication levels are crucial to preserving the health of the gearbox and its components.

China wholesaler Nmrv Series Worm Reduction Gearbox   wholesaler China wholesaler Nmrv Series Worm Reduction Gearbox   wholesaler
editor by CX 2024-04-09

China Good quality Saf Series Helical Worm Gearbox cycloidal gearbox

Product Description

 

Product Description

Product Features

High modular design, biomimetic surface with owned intellectual property right.
Adopt German worm hob to process the worm wheel.
With the special gear geometry, it gets high torque, efficiency and long life circle.
It can achieve the direct combination for 2 sets of gearbox.
Mounting mode: foot mounted, flange mounted, torque arm mounted.
Output shaft: CHINAMFG shaft, hollow shaft.

Main applied for
Chemical industry and environmental protection
Metal processing
Building and construction
Agriculture and food
Textile and leather
Forest and paper
Car washing machinery

Detailed Photos

 

Product Parameters

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, SKF, FAG, INA, NSK.

Brand of oil seal

NAK — ZheJiang or other brands requested

 

Our Advantages

 

 

Certifications

Packaging & Shipping

Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and producing capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden etc. Main markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Worm Gear
Step: Single-Step

gearbox

Importance of Lubrication in Gearbox Performance

Lubrication plays a critical role in ensuring the optimal performance, longevity, and reliability of gearboxes. Proper lubrication provides several key benefits:

  • Reduces Friction and Wear: Lubrication forms a protective layer between gear teeth, bearings, and other moving components, reducing friction and minimizing wear and tear.
  • Heat Dissipation: Lubricants help dissipate the heat generated during gear operation, preventing overheating and potential damage to components.
  • Noise Reduction: Adequate lubrication can dampen noise and vibration produced by gear meshing, leading to quieter and smoother operation.
  • Sealing and Contaminant Prevention: Lubricants create a barrier that seals out contaminants like dust, dirt, and moisture, preventing their entry and reducing the risk of corrosion and damage.
  • Enhanced Efficiency: Proper lubrication reduces energy losses due to friction, improving the overall efficiency of the gearbox.
  • Extended Lifespan: Lubrication helps prevent premature component wear and failure, extending the lifespan of the gearbox and minimizing the need for costly repairs or replacements.
  • Optimal Performance: Gearboxes operate within specified tolerances when properly lubricated, ensuring they deliver the intended performance and functionality.

It’s essential to use the recommended lubricant type, viscosity, and change intervals specified by the gearbox manufacturer to ensure the best possible performance and longevity. Regular monitoring and maintenance of lubrication levels are crucial to preserving the health of the gearbox and its components.

China Good quality Saf Series Helical Worm Gearbox   cycloidal gearbox	China Good quality Saf Series Helical Worm Gearbox   cycloidal gearbox
editor by CX 2023-11-16

China wholesaler Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox components of gearbox

Product Description

NMRV  REDUCTION WORM GEARBOX
The NMRV 050 motor gearbox consists of a single-stage NRV 050 worm gearbox coupled to an IEC asynchronous motor. Maximum drive power – 1.5 kW. The torque on the output shaft is 17-89 N * m. The gear motor is available in 2 mounting versions (legs / flange).
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze. 
Type of lubricant: synthetic ISO VG 320. 
Weight: 3.5 kg.

Type designation scheme

NMRV – 050 – 30 – 93.3 – 0.75 – B1

  • NMRV – worm gear motor
  • 050 – size (center distance, mm)
  • 30 – gear ratio
  • 93.3 – output shaft rotation speed, rpm
  • 0.75 – electric motor power, kW
  • B1 – mounting position

NMRV 050 gearbox performance

i 1 = 2800 rpm 1 = 1400 rpm 1 = 900, rpm
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
7.5 373 58 2.50 90 187 77 1.70 88 120 89 1.30 86
10 280 56 1.90 87 140  75 1.30 85 90 88 1.00 83
15 187 60  1.40 84 93  77 0.93  81 60 89  0.71 79
20 140 63  1.10 84 70  78  0.71  81 45 91  0.55 78
25 112 62  0.88 82 56  79  0.60  77 36 90  0.46 74
30 93 56  0.72 76 47  79  0.55  71 30 87  0.40 68
40 70 68  0.67 74 35  85  0.45  69 23 93  0.34 66
50 56 59  0.51 68 28  73  0.34  63 18 86  0.27 60
60 47 52  0.44 58 23  66  0.30  53 15 72  0.23 49
80 35 47  0.30 58 18  59  0.21  53 11 75  0.17 51
100 28 42  0.23 53 14  52  0.16  48 9 61  0.13 44
  • n1 – rotational speed el. engine;
  • n2 – revolutions on the output shaft;
  • T 2M – torque on the output shaft;
  • P is the maximum allowable engine power;
  • RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.
2.Compact,convenient.
3.High efficiency,big torque.

 

Overall and mounting dimensions NMRV 050

NMRV050 gear motor  has a wide range of gear ratios.
Gear ratios:  5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 050 gearbox

Geared NMRV050 can be supplied with unilateral or bilateral output shaft. 
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

  Model  NMRV SERIES
  Single Stage  RV25-RV150
  Ratio  7.5-100
  Input Power  0.06KW-15KW
  Output Speed  14-280rpm
  Output Torque   5-1800Nm
Core parts  worm wheel,worm shaft
 Core parts material      worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
  Lubrication   RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
 Bearings  C&U

 
 
 

Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness: Hardened
Installation: Any Angle
Gear Shape: Worm Gear
Step: Single-Step
Type: Worm and Wormwheel
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Is it Better to Repair or Replace a Damaged Gearbox?

Deciding whether to repair or replace a damaged gearbox depends on several factors and considerations:

  • Extent of Damage: Assess the severity of the gearbox damage. Minor issues like worn bearings or seals may be repairable, while extensive damage may necessitate a replacement.
  • Cost of Repair: Compare the cost of repairing the gearbox to the cost of replacing it with a new or remanufactured unit. In some cases, repairs might be more cost-effective.
  • Availability of Parts: Availability of replacement parts for the gearbox can influence the repair option. If parts are hard to find, replacement might be a more viable choice.
  • Age and Condition: Consider the age and overall condition of the vehicle. If the vehicle is older and nearing the end of its lifespan, a replacement gearbox might offer better long-term reliability.
  • Performance and Efficiency: A new or remanufactured gearbox might offer improved performance and efficiency compared to a repaired one.
  • Future Maintenance: Evaluate potential future maintenance needs of both repair and replacement options. A replacement gearbox might come with a warranty and require less frequent maintenance.
  • Professional Assessment: Seek advice from a qualified mechanic or technician who can thoroughly assess the gearbox and provide recommendations based on expertise.

Ultimately, the decision to repair or replace a damaged gearbox should be based on a careful evaluation of these factors. It’s recommended to consult with professionals to make an informed choice that best suits your specific situation and budget.

China wholesaler Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox   components of gearbox	China wholesaler Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox   components of gearbox
editor by CX 2023-10-31

China Standard 24V 25W DC Worm Gear Motor High Torque Reduction Gearbox best automatic gearbox

Product Description

24v 25w DC Worm Gear Motor High Torque Reduction Gearbox

Model:D49D1-24V25W-500RPM

Type dc worm gear motor 
Motor  Diameter  49mm
Voltage 12v 24v 36v 42v 48v 110v 220v
Power ≤25W
Torque ≤8N.M
Speed ≤250RPM
Gear of ratio 56:1 28:1 70:1 
Gear Modulus 70:1 M=0.8
56:1 28:1  M=1
Material of gear Plastic /brass
OEM/ODM Service Accept
Usage Electric clothes rack ,electric height adjustable table ,smart home appliance,vending machine ,coffee machine ,  industrial machine ,auto garage door opener,other electric tools .

HangZhou CHINAMFG Science & Technology Co.,Ltd is a subsidiary of HangZhou CHINAMFG Motor Co.,Ltd.The factory is located in Xihu (West Lake) Dis.,HangZhou,we can design and  manufacture of motors according to all our customers’ demands so far,we can manufacture about 60,000 motors per month.

Our main market:

Europe,America and Asia, including  UnitedKingdom, Germany, Italy, France, Sweden, United State,Brazil,India,Korea and so on.

Company Advantages:

  1. Big production capacity, fast delivery.

  2. Strict QC inspecting rules: all products must be 100% inspected before delivery.

  3. OEM/ODM services are available

 4. 24 hours online service.

 5. Prompt quotation for your inquiry

  6. Quality,reliability and long product life.

  7. Professional manufacturer offers competitive price.

  8. Diversified rich experienced skilled workers.

More Applications:

Car simulator ,garage door opener ,gate operator, wheelchair ,electric vehicle ,water pump ,oil pump,smart electric-drive curtain,lift gate,glass lifter,floor polisher, office intelligent equipment,sewing machine,vending machine,blender machine,truck lift,stair lift,hospital bed ,hydraulic pump electric forklift.

RFQ:

Q: Are you trading company or manufacturer ?

A: We are Integration of industry and trade, with over 20 years experience in DC worm gear motor. Our company have accumulated skilled production line, complete management and powerful research support, which could match all of the customers’ requirements and make them satisfaction.
 

Q: What is your main product?

DC Motor: Gear motor, Square motor, Stepped motor, and Micro motor
-Welding equipment: Wire feeder, Welding rod, Welding Torch, Earth clamp, Electrode holder, and Rectifier
 

Q: What if I don’t know which DC motor I need?

A: Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.
 

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
 

Q: How to delivery:

A: By sea – Buyer appoint forwarder, or our sales team find suitable forwarder for buyers. 

By air – Buyer offer collect express account, or our sales team find suitable express for buyers. (Mostly for sample)

Others – Actually,samples send by DHL,UPS, TNT and Fedex etc. We arrange to delivery goods to some place from China appointed by buyers.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

 

Application: Universal, Industrial, Household Appliances, Power Tools, Automatic Lifting Machine
Operating Speed: Low Speed
Excitation Mode: Permanent Magnet Motor
Samples:
US$ 150/Piece
1 Piece(Min.Order)

|

Order Sample

Sample fee will be returned when order reaches 200
Customization:
Available

|

Customized Request

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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.

gearbox

Benefits of Regular Gearbox Maintenance

Regular maintenance of gearboxes offers numerous advantages:

  • Extended Lifespan: Proper maintenance helps prevent premature wear and breakdown, increasing the gearbox’s overall lifespan.
  • Reduced Downtime: Regular inspections and maintenance can identify issues early, minimizing unplanned downtime for repairs.
  • Improved Efficiency: Well-maintained gearboxes operate more efficiently, leading to energy savings and optimized performance.
  • Cost Savings: Routine maintenance reduces the need for costly major repairs or replacements.
  • Enhanced Safety: Regular maintenance ensures safe operation by addressing potential hazards and malfunctions.
  • Optimal Performance: Properly maintained gearboxes deliver consistent and reliable performance for machinery and equipment.
  • Preserved Functionality: Maintenance prevents issues that could lead to reduced functionality or complete failure.
  • Reduced Environmental Impact: Well-maintained gearboxes consume less energy and minimize waste, contributing to sustainability efforts.
  • Compliance: Regular maintenance helps meet industry regulations and standards for equipment safety and performance.

Implementing a proactive maintenance plan can provide these benefits and contribute to the overall success of your machinery and operations.

China Standard 24V 25W DC Worm Gear Motor High Torque Reduction Gearbox   best automatic gearbox	China Standard 24V 25W DC Worm Gear Motor High Torque Reduction Gearbox   best automatic gearbox
editor by CX 2023-10-30

China Good quality 380V 50Hz AC Gear Motor Nmrv Worm Industrial Drive Transmission Gearbox cycloidal gearbox

Product Description

380V 50Hz AC Gear Motor NMRV Worm Industrial Drive Transmission Gearbox

IEC Motor Specifications: 
 

Power 0.18 ~ 315kw
Voltage 220/380V, 380/660V
Frequency 50Hz, 60Hz
Frame Size 56 ~ 355
Phase Single, Three
Efficiency Class IE1, IE2, IE3
Poles Nos. 2, 4, 6, 8
Protection Class IP55
Insulation Class F
Mounting Type B14, B3, B5, B35, B34
Ambient Temperature -15 ~ +40 °C
Altitude ≤1000M
Material Aluminum/Cast Iron

Gearbox Specifications: 

 

NMRV PAM N M P D
IEC 5 7.5 10 15 20 25 30 40 50 60 80 100
571 56B14 50 65 80 9 9 9 9 9 9 9 9 9
030 63B5 95 115 140 11 11 11 11 11 11 11 11 11
63B14 60 75 90
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 9
56B14 50 65 80
040 71B5 110 130 160 14 14 14 14 14 14 14 14
71B14 70 85 105
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90
56B5 80 100 120 9 9 9 9
050 80B5 130 165 200 19 19 19 19 19 19 19
80B14 80 100 120
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14
71B14 70 85 105
63B5 95 115 140 11 11 11 11 11
063 90B5 130 165 200 24 24 24 24 24 24 24
90B14 95 115 140
80B5 130 165 200 19 19 19 19 19 19 19 19 19 19
80B14 80 100 120
71B5 110 130 160 14 14 14 14 14
71B14 70 85 105
075 100/112B5 180 215 250 28 28 28
100/112B14 110 130 160
90B5 130 165 200 24 24 24 24 24 24 24 24
90B14 95 115 140
80B5 130 165 200 19 19 19 19 19 19 19 19
80B14 80 100 120
71B5 110 130 160 14 14 14 14
090 100/112B5 180 215 250 28 28 28 28 28 28 28
100/112B14 110 130 160
90B5 130 165 200 24 24 24 24 24 24 24 24 24 24
90B14 95 115 140
80B5 130 165 200 19 19 19 19 19
80B14 80 100 120
110 132B5 230 265 300 38 38 38 38
100/112B5 180 215 250 28 28 28 28 28 28 28 28 28
90B5 130 165 200 24 24 24 24 24 24 24
80B5 130 165 200 19 19
130 132B5 230 265 300 38 38 38 38 38 38 38
100 /112B5 180 215 250 28 28 28 28 28 28 28
90B5 130 165 200 24 24

 

 

Company Product Portfolio

1. AC gear motor
2. DC & BLDC gear motor
3. Worm gearbox
4. Helical gearbox
5. Coreless motor
6. PM Synchronous Motor
7. Motor controller
8. Customized motor

If you are looking for any types of motors and gearboxes, please tell us about your requirement. We hope to provide a suitable drive solution for you.

Company Overview

  

Certificates

About Greensky Mechanical

 
HISTORY: Greensky is a mechanical brand of CHINAMFG Power Co., Ltd. With over 10 years’
mechanical manufacturing experiences, CHINAMFG Power always strictly stands on the
principle of Best Customer Satisfaction.

QUALITY: Material Inspection, Production Control, Finished Goods Test, Pre-dellivery Inspection

MISSION: “Once and forever” is our goal to serve customers in the world. Once we do
business with customer, we will do business forever.

MARKET30 different countries, mainly Germany, Austria, Japan, USA and Middle-East.

DELIVERY100% on-time delivery Guaranteed.

SERVICESFast response in English, German, Japanese and Chinese languages.

OEMCustomized orders are welcome at CHINAMFG Power.

Exhibitions

FAQ

1 Q: What’s your MOQ for AC gear motor?
   A: 1unit is ok for different types. 

2 Q: What about your warranty for your AC gear motor?
   A: One year.

3 Q: Do you provide OEM service with customer-logo?
   A: Yes, we could do OEM orders, but we mainly focus on our own brand.

4 Q: How about your payment terms ?
   A: TT, western union and paypal. 100% payment in advanced for orders less $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing ?
   A: Carton, Plywood case. If you need more, we can pack all goods with pallet 

6 Q: What information should be given, if I buy AC gear motor from you ?
   A: Rated power, gearbox ratio, input speed, mounting position. More details, better!

7 Q: How do you deliver the AC gear motor?
   A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

 

Application: Universal
Speed: Variable Speed
Number of Stator: Single-Phase
Function: Driving
Casing Protection: Closed Type
Number of Poles: 4
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Is it Better to Repair or Replace a Damaged Gearbox?

Deciding whether to repair or replace a damaged gearbox depends on several factors and considerations:

  • Extent of Damage: Assess the severity of the gearbox damage. Minor issues like worn bearings or seals may be repairable, while extensive damage may necessitate a replacement.
  • Cost of Repair: Compare the cost of repairing the gearbox to the cost of replacing it with a new or remanufactured unit. In some cases, repairs might be more cost-effective.
  • Availability of Parts: Availability of replacement parts for the gearbox can influence the repair option. If parts are hard to find, replacement might be a more viable choice.
  • Age and Condition: Consider the age and overall condition of the vehicle. If the vehicle is older and nearing the end of its lifespan, a replacement gearbox might offer better long-term reliability.
  • Performance and Efficiency: A new or remanufactured gearbox might offer improved performance and efficiency compared to a repaired one.
  • Future Maintenance: Evaluate potential future maintenance needs of both repair and replacement options. A replacement gearbox might come with a warranty and require less frequent maintenance.
  • Professional Assessment: Seek advice from a qualified mechanic or technician who can thoroughly assess the gearbox and provide recommendations based on expertise.

Ultimately, the decision to repair or replace a damaged gearbox should be based on a careful evaluation of these factors. It’s recommended to consult with professionals to make an informed choice that best suits your specific situation and budget.

China Good quality 380V 50Hz AC Gear Motor Nmrv Worm Industrial Drive Transmission Gearbox   cycloidal gearbox	China Good quality 380V 50Hz AC Gear Motor Nmrv Worm Industrial Drive Transmission Gearbox   cycloidal gearbox
editor by CX 2023-10-26

China Standard Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox gearbox adjustment

Product Description

NMRV  REDUCTION WORM GEARBOX
The NMRV 040 worm gear motor is characterized by a wide range of gear ratios (5 – 80), a compact aluminum alloy housing, and ease of installation and maintenance. The unit is equipped with an engine power of 0.09 – 0.55 kW. Output shaft rotation frequency: 900 – 2800 rpm.
The NMRV 040 motor gearbox has similar mounting dimensions with the Siti MU40, STM UMI 40, Varvel SRT 40 drives and can be used to replace them.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze. 
Type of lubricant: synthetic ISO VG 320. 
Weight: 2.3 kg.

Type designation scheme

NMRV – 040 – 80 – 17.5 – 0.12 – B3

  • NMRV – worm gear motor
  • 040 – size (center distance, mm)
  • 80 – gear ratio
  • 17.5 – output shaft rotation speed, rpm
  • 0,12 – electric motor power, kW
  • B3 – mounting position

NMRV 040 gearbox performance

I
 
1 = 2800 rpm 1 = 1400 rpm 1 = 900, rpm
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
5 560 24 1.50 87 280 36 1.10 86 180 41 0.80 84
7.5 373 29 1.30 88 187 41 0.93 86 120 49 0.73 84
10 280 32 1.10  86 140  44 0.76 84 90 50 0.58 82
15 187 34  0.78  84 93  44  0.53  81 60 52  0.41 79
20 140 31  0.56  82 70  40  0.37  79 45 47  0.29 76
25 112 34  0.50  79 56  43  0.34  74 36 49  0.26 71
30 93 33  0.44  73 47  38  0.27  68 30 43  0.21 65
40 70 35  0.36  72 35  44  0.24  67 23 52  0.19 64
50 56 32  0.29  65 28  41  0.20  60 18 48  0.16 57
60 47 29  0.24  59 23  38  0.17  54 15 41  0.13 50
80 35 23  0.15  56 18  31  0.11  51 11 37  0.09 49
100 28 24  0.13  53 14  29  0.09  48 9 33  0.07 44
  • n1 – rotational speed el. engine;
  • n2 – revolutions on the output shaft;
  • T 2M – torque on the output shaft;
  • P is the maximum allowable engine power;
  • RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.
 
3.High efficiency,big torque.

 

Overall and mounting dimensions NMRV 040

NMRV040 gear motor  has a wide range of gear ratios.
Gear ratios:  5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 040 gearbox

Geared NMRV040 can be supplied with unilateral or bilateral output shaft. 
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

  Model  NMRV SERIES
  Single Stage  RV25-RV150
  Ratio  7.5-100
  Input Power  0.06KW-15KW
  Output Speed  14-280rpm
  Output Torque   5-1800Nm
Core parts  worm wheel,worm shaft
 Core parts material      worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
  Lubrication   RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
 Bearings  C&U

 
 
 

Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness: Hardened
Installation: Any Angle
Gear Shape: Worm Gear
Step: Single-Step
Type: Worm and Wormwheel
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

  1. Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
  2. Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
  3. Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
  4. Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
  5. Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
  6. Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
  7. Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
  8. Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
  9. Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
  10. Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
  11. Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China Standard Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox   gearbox adjustment	China Standard Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox   gearbox adjustment
editor by CX 2023-10-25