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Product Description

NMRV worm gearbox motor 

NMRV series worm gear reducer:
Its structure,outline and installation dimensions as well as performance are same with that of
Europe an products,they are interchangeable,and the materials and machining process are advanced internationally.The product is featured by:
1.Low noise and temperature rise.
2.High bearing capability,smooth run and long service life.
3.ompact structure,samll volume,light weight,beautiful shape and easy to install.
4.Can run continuously under server environment,and has a good reliability.

GPHQ NMRV aluminum worm gearbox motor details:

Type GPHQ NMRV Worm Gear Speed Reducer /gearbox motor 
Model: NMRV25/30/ 40/ 50/ 63/ 75/ 90/110/130/150
Input Power: 0.06KW,0.09KW,0.12KW,0.18KW,0.22KW,0.25KW,0.37KW,0.55KW,0.75KW,1.1KW,1.5KW,2.2KW,4KW,5.5KW,7.5KW ,11KW,15KW
IEC Flange 56B5,56B14,63B5,63B14,71B5,71B14,80B5,80B14,90B5,90B14,100B5,
100B14,112B5,112B14 132B5,160B5
Ratio 1: 7.5,10,15,20,25,30,40,50,60,80,100
 
 
 
Material 
Housing:  Die-Cast Aluminum Alloy for rv25-rv90 , die-cast cast iron for rv110 to rv150 
Worm Gear-brass+cast iron 
Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Color: Blue/Silver Or others if quantity is big
Packing: Carton or plywood  Case
Guarantee time : 1 Year except except Man-made destruction
Usages: Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,Woodworking,Glass.
shaft: output CHINAMFG shaft or output hollow shaft 

FAQ
1, Q:what’s your MOQ for ac gearbox motor  ?
A: 1pc is ok for each type electric gear box  motor 

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor  ?
A: plywood case ,if size is small  ,we will pack with pallet for less 1 container 

6, Q: What information should be given, if I buy electric helical geared motor  from you ?
A: rated power,  ratio or output speed,type ,voltage , mounting way , quantity , if more is better.

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Right Angle
Step: Single-Step
Type: Worm Reducer
Customization:
Available

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Customized Request

worm gear

What lubrication is required for a worm gear?

The lubrication requirements for a worm gear system are crucial to ensure smooth operation, reduce friction, prevent wear, and extend the lifespan of the gears. The specific lubrication needed may vary depending on factors such as the application, operating conditions, gear materials, and manufacturer recommendations. Here are some key considerations regarding lubrication for a worm gear:

  • Lubricant selection: Choose a lubricant specifically designed for gear applications, taking into account factors such as load, speed, temperature, and environment. Common lubricant types for worm gears include mineral oils, synthetic oils, and greases. Consult the gear manufacturer’s recommendations or industry standards to determine the appropriate lubricant type and viscosity grade.
  • Viscosity: The lubricant viscosity is critical for effective lubrication. The viscosity should be selected based on the operating conditions and gear design parameters. Higher loads and slower speeds typically require higher viscosity lubricants to ensure sufficient film thickness and protection. Conversely, lower viscosity lubricants may be suitable for lighter loads and higher speeds to minimize power losses.
  • Lubrication method: The lubrication method can vary depending on the gear system design. Some worm gears have oil sumps or reservoirs that allow for oil bath lubrication, where the gears are partially submerged in a lubricant pool. Other systems may require periodic oil application or greasing. Follow the gear manufacturer’s guidelines for the appropriate lubrication method, frequency, and quantity.
  • Temperature considerations: Worm gear systems may encounter a wide range of temperatures during operation. Ensure that the selected lubricant can withstand the anticipated temperature extremes without significant degradation or viscosity changes. Extreme temperatures may require specialized high-temperature or low-temperature lubricants to maintain proper lubrication performance.
  • Maintenance and monitoring: Regular maintenance and monitoring of the lubrication are essential for optimal gear performance. Periodically inspect the lubricant condition, including its cleanliness, viscosity, and contamination levels. Monitor operating temperatures and perform oil analysis if necessary. Replace the lubricant at recommended intervals or if signs of degradation or contamination are observed.

It’s important to note that the lubrication requirements may vary for different worm gear applications, such as automotive, industrial machinery, or marine systems. Additionally, environmental factors such as dust, moisture, or chemical exposure should be considered when selecting a lubricant and establishing a lubrication maintenance plan.

Always refer to the gear manufacturer’s recommendations and guidelines for the specific lubrication requirements of your worm gear system. Adhering to proper lubrication practices helps ensure smooth and reliable operation, minimizes wear, and maximizes the gear system’s longevity.

worm gear

Can worm gears be used in heavy-duty machinery and equipment?

Yes, worm gears can be used in heavy-duty machinery and equipment. Here’s a detailed explanation of their suitability for such applications:

1. High torque transmission: One of the key advantages of worm gears is their ability to transmit high torque. The unique design of the worm and worm wheel allows for efficient torque generation and power transmission. This makes worm gears well-suited for heavy-duty applications that require the transfer of substantial rotational forces.

2. Compact size: Worm gears offer a compact and space-saving solution for heavy-duty machinery. Their compact design allows for the transmission of high torque in a relatively small package. This is particularly advantageous in applications where space constraints or compact design requirements are present.

3. Self-locking feature: Worm gears exhibit a self-locking characteristic, meaning that the worm can prevent the back-driving of the gear system. This feature is beneficial in heavy-duty machinery where it is essential to maintain a fixed position or prevent the system from reversing under load. The self-locking capability of worm gears provides stability and safety in various heavy-duty applications.

4. High gear ratios: Worm gears can achieve high gear ratios, which is advantageous in heavy-duty machinery that requires precise speed reduction. The high gear ratios allow for fine control of rotational speed and torque output, enabling the gear system to match the requirements of heavy loads and demanding operating conditions.

5. Durable construction: Worm gears are typically manufactured using robust materials such as alloy steels, cast iron, or bronze. These materials offer excellent strength, wear resistance, and durability, making worm gears capable of withstanding the heavy loads and harsh operating environments encountered in heavy-duty machinery.

6. Overload protection: The unique design of worm gears provides inherent overload protection. When the load exceeds the gear’s capacity, the sliding action between the worm and worm wheel causes a high frictional force, limiting the torque transmission and preventing damage to the gear system. This overload protection feature is valuable in heavy-duty machinery where sudden load spikes or unexpected overloads can occur.

7. Wide range of applications: Worm gears find applications in various heavy-duty machinery and equipment across different industries. Some examples include cranes, winches, elevators, mining machinery, construction equipment, rolling mills, heavy-duty conveyors, and marine propulsion systems. The versatility of worm gears makes them suitable for a wide range of heavy-duty applications.

It is important to note that while worm gears offer several advantages for heavy-duty machinery, there are certain considerations to keep in mind. These include proper lubrication to minimize friction and wear, adequate cooling to manage heat generation, proper alignment to ensure efficient power transmission, and regular maintenance to inspect for signs of wear or damage. By addressing these factors, worm gears can reliably and effectively meet the demands of heavy-duty machinery and equipment.

worm gear

How do you calculate the gear ratio of a worm gear?

Calculating the gear ratio of a worm gear involves determining the number of teeth on the worm wheel and the pitch diameter of both the worm and worm wheel. Here’s the step-by-step process:

  1. Determine the number of teeth on the worm wheel (Zworm wheel). This information can usually be obtained from the gear specifications or by physically counting the teeth.
  2. Measure or determine the pitch diameter of the worm (Dworm) and the worm wheel (Dworm wheel). The pitch diameter is the diameter of the reference circle that corresponds to the pitch of the gear. It can be measured directly or calculated using the formula: Dpitch = (Z / P), where Z is the number of teeth and P is the circular pitch (the distance between corresponding points on adjacent teeth).
  3. Calculate the gear ratio (GR) using the following formula: GR = (Zworm wheel / Zworm) * (Dworm wheel / Dworm).

The gear ratio represents the speed reduction and torque multiplication provided by the worm gear system. A higher gear ratio indicates a greater reduction in speed and higher torque output, while a lower gear ratio results in less speed reduction and lower torque output.

It’s worth noting that in worm gear systems, the gear ratio is also influenced by the helix angle and lead angle of the worm. These angles determine the rate of rotation and axial movement per revolution of the worm. Therefore, when selecting a worm gear, it’s important to consider not only the gear ratio but also the specific design parameters and performance characteristics of the worm and worm wheel.

China factory CZPT RV110 Gear Motor with Hot sellingChina factory CZPT RV110 Gear Motor with Hot selling
editor by CX 2023-11-08

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Brass Worm Gear

As one of the brass worm gear manufacturers, suppliers, and exporters of mechanical products, We offer brass worm gears and many others.

Please get in touch with us for details.

Manufacturer supplier exporter of brass worm gear.

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