Tag Archives: worm gearbox iron

China OEM Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox gearbox adjustment

Product Description

Characteristics:

(1)Large output torque
(2) Safe, reliable, economical and durable
(3) Stable transmission, quiet operation
(4) High heat-radiating efficiency, high carrying ability
(5) Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio
(6) Mechanical gearboxes are widely used in the sectors,like foodstuff, ceramics, and chemical manufacturing, as well as packing, printing, dyeing and plastics
 Technical data:
(1) Motor input power:0.06kw-15kw
(2)  Output torque:4-2320N.M
(3)  Speed ratio of worm gear peed reducer: 5/10/15/20/25/30/40/50/60/80/100
(4)  With IEC motor input flange: 56B14/71B14/80B5/90B5…
 Materials:
(1)   NMRV571-NMRV090: Aluminium alloy housing
(2)   NMRV110-150: Cast iron housing
(3)   Bearing: CHINAMFG bearing & Homemade bearing
(4)   Lubricant: Synthetic & Mineral
(5)  The material of the worm mandrel is HT250, and the worm ring gear is ZQSn10-1.
(6)  With high quality homemade bearings, assembled CHINAMFG oil seals & filled with high quality lubricant.
Operation&mantenance
(1)When worm speed reducer starts to work up to200-400 hours, its lubricant should be replaced.
(2)The gearbox need to replace the oil after 4000 hours.
(3)Worm reduction gearbox is fully filled with lubricant oil after finshed assembly.
(4)Lubricanting oil should be kept enough in the casing and checked at a fixed time.
 Color:
(1)   Blue / Light blue
(2)   Silvery White
 Quality control
(1)  Quality guarantee: 1 year
(2)  Certificate of quality: ISO9001:2000
(3)   Every product must be tested before sending
 

Motor power  Model speed ratio output speed output toruqe
0.06kw 1400rpm NMRV030 5 280rpm  2.0N.M
NMRV030 7.5 186rpm  2.6N.M
NMRV030 10 140rpm  3.3N.M
NMRV030 15 94rpm  4.7N.M
NMRV030 20 70rpm  5.9N.M
NMRV030 25 56rpm  6.8N.M
NMRV030 30 47rpm  7.9N.M
NMRV030 40 35rpm  9.7N.M
NMRV030 50 28rpm 11.0N.M
NMRV030 60 24rpm 12.0N.M
NMRV030 80 18rpm 14.0N.M
0.09kw 1400rpm NMRV030 5 280rpm  2.7N.M
NMRV030 7.5 186rpm  3.9N.M
NMRV030 10 140rpm  5.0N.M
NMRV030 15 94rpm  7.0N.M
NMRV030 20 70rpm  8.8N.M
NMRV030 25 56rpm 10.0N.M
NMRV030 30 47rpm 12.0N.M
NMRV030 40 35rpm 14.0N.M
NMRV030 50 28rpm 17.0N.M
NMRV030 60 24rpm 18.0N.M
0.12kw 1400rpm NMRV030 5 280rpm  3.6N.M
NMRV030 7.5 186rpm  5.2N.M
NMRV030 10 140rpm  6.6N.M
NMRV030 15 94rpm  9.3N.M
NMRV030 20 70rpm 12.0N.M
NMRV030 25 56rpm 14.0N.M
NMRV030 30 47rpm 16.0N.M
NMRV030 40 35rpm 19.0N.M
NMRV030 50 28rpm 22.0N.M
0.18kw 1400rpm NMRV030 5 280rpm  5.3N.M
NMRV030 7.5 186rpm  7.7N.M
NMRV030 10 140rpm 10.0N.M
NMRV030 15 94rpm 14.0N.M
NMRV030 20 70rpm 18.0N.M
NMRV030 25 56rpm 20.0N.M
NMRV030 30 47rpm 24.0N.M

Application: Machinery, Reducer
Hardness: Hardened
Type: Worm and Wormwheel
Manipulate Way: Robotics
Manufacturing Method: Rolling Gear
Color: Blue
Customization:
Available

|

Customized Request

worm gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:

  • Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
  • Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
  • Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
  • Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
  • Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
  • Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
  • Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
  • Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
  • Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
  • Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.

By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China OEM Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox   gearbox adjustment	China OEM Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox   gearbox adjustment
editor by CX 2023-09-13

China supplier Cast Iron RV Series 90 Degree Small Worm Gearbox for Crusher with Hot selling

Product Description

Cast Iron RV Series 90 Degree Small Worm Gearbox for Crusher

NMRV 571-150 worm gear box with flange and electric motor
NMRV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
nmrv worm gear motor

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.
Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

 

When working, great load capacity, stable running, low noise with  high efficiency.
  Gear Box’s Usage Field
1 Metallurgy       11 Agitator  
2 Mine       12 Rotary weeder  
3 Machine       13 Metallurgy   
4 Energy       14 Compressor
5 Transmission     15 Petroleum industry
6 Water Conserbancy     16 Air Compressor
7 Tomacco       17 Crusher  
8 Medical       18 Materials
9 Packing     19 Electronics  
10 Chemical industry     20 Textile indutry
           
Power 0.06kw 0.09kw 0.12kw 0.18kw 0.25kw 0.37kw 0.55kw
0.75kw 1.1kw 1.5kw 2.2kw 3kw 4kw 5.5kw
7.5kw 11kw 15kw        
Torque 2.6N.m-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers’ need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients’ requirement
Type RV571 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        
Mounting Methods Foot Installation   Flange Installation
For various  mortor or double input/output shafts can be equipped

Product picture:

Structure:

Certificate:

Packing & Delivery:

Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.

Customer visiting:

FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

Welcome you contace me if you are interested in our product.
Our team will support any need you might have.

Application: Machinery, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

|

Customized Request

worm gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:

  • Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
  • Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
  • Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
  • Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
  • Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
  • Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
  • Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
  • Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
  • Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
  • Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.

By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

What Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China supplier Cast Iron RV Series 90 Degree Small Worm Gearbox for Crusher   with Hot selling		China supplier Cast Iron RV Series 90 Degree Small Worm Gearbox for Crusher   with Hot selling
editor by CX 2023-09-13