China wholesaler Nmrv130 Worm Gearbox Manufacturer Ratio80 gearbox engine

Product Description

Overview
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Quick Details
Gearing Arrangement:    Worm                                                                                                                 Brand Name:                  EED
Input Speed:                     1400 rpm                                                                                                          Output Speed:                14 rpm to 186 rpm
Rated Power:                    0.06 ~ 4KW                                                                                                      Output Torque:               2.6-479N.M
Color:                                 Blue/Silver or on request                                                                               Origin:                              ZHangZhoug, China (Mainland)         
Warranty:                           1 Year                                                                                                                Application:                    Industry    
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Supply Ability
Supply Ability:                   20000 Piece/Pieces per Month
Extra Service:                    OEM is welcome         
QC System:                        ISO9001:2008
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Packaging & Delivery
Package:                            Wooden box/Paper carton    
Port:                                    HangZhou/ZheJiang  or on request     
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TYPE Worm Gear Speed Reducer/Worm Gearbox
MODEL NMRV series size:571,030,040,050,063,075,090,110,130,150
RATIO 5,7.5,10,15,20,25,30,40,50,60,80,100
COLOR Blue(RAL5571)/Silver grey (RAL9571) or on your request
MATERIAL Housing:Aluminum alloy
PACKING Wooden box/Paper carton  
BEARING C&U
SEAL SKF
WARRANTY 1 Year
INPUT POWER 0.09KM-15KM
USAGES Foodstuffs, Ceramics, Packing, Chemicals, Pharmacy, Plastics, Paper-making, Machine-tools
IEC FLANGE IEC standard flange or on request
LUBRICANT Shell or Henry

 

About CHINAMFG since 1984

HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamping field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR, XDF, XDK, XDS have reached the advanced technique index of the congeneric European and Janpanese products. We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders  of  non-standard products, such as gears, shafts, punching parts ect, according to customers’ drawings or samples. 

Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, gear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling machines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and so on. We have advanced testing equipments as well. 

Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw material, heat treatment, surface finishing and so on.

The most advantage of the speed reducer is the technique of cobber clad, which can enhance the occlusal force between the bronze and core wheel.

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Step: Single-Step
Type: Worm Reducer
Transport Package: Shrink Packing, Carton Packing
Trademark: OEM; EED
Customization:
Available

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Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China wholesaler Nmrv130 Worm Gearbox Manufacturer Ratio80   gearbox engineChina wholesaler Nmrv130 Worm Gearbox Manufacturer Ratio80   gearbox engine
editor by CX 2023-10-16

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