China OEM 7 Inch Aerial Working Platform Slewing Ring Worm Gear worm gear motor

Product Description

High quality slewing drive bearing swivel drive for rotation platform,timber grab and turntable

Model

SC7

Place of Origin

HangZhou,China

Brand

Coresun Drive

Delivery Time

7 days

Material

42CrMo,50Mn

Output Torque

1.46kN.m

Tilting Moment Torque

13.5kN.m

Holding Torque

10.4kN.m

Static Axial Rating

133KN

Static Radial Rating

53KN

Dynamic Axial Rating

32KN

Dynamic Radial Rating

28 KN

Gear Ratio

71:1

Efficiency

40%

Hydraulic Motor

Yes

HS Code

8483409000

Coreun Drive slewing drive products are high-quality slewing drive products developed with independent technology and technology to meet market needs. CHINAMFG Drive has a full range of mature slewing drive products with multiple specifications and the ability to customize design and manufacture such products for customer needs. For different applications requiring low-speed heavy loads, high-speed medium loads and high-speed light loads, Khanwang can provide corresponding products or solutions.

1. The Size, Direction And Nature Of The Load: the slewing drive is suitable for bearing light load, and the roller bearing is suitable for bearing heavy load and impact load.When the rolling bearing is subjected to pure axial load, thrust bearing is generally selected.When the rolling bearing is subjected to pure radial load, deep groove ball bearing or short cylindrical roller bearing are generally selected.Deep groove ball bearing, angular contact ball bearing, tapered roller bearing and self-aligning ball or self-aligning roller bearing can be used when the rotary device is subjected to pure radial load and small axial load at the same time.When the axial load is large, the angular contact ball bearing and tapered roller bearing with large contact Angle can be selected, or the radial bearing and thrust bearing can be combined together, which is especially suitable for high axial load or special requirements of large axial rigidity.

2. Allowable Speed: the type of slewing bearing drive varies greatly.Under normal circumstances, low friction, less heat bearing, suitable for high speed.The design should make every effort to work under the condition that the rotary rolling bearing is lower than its speed.

3. Rigidity: When the bearing of the rotary driving device bears load, elastic deformation will occur at the contact point between the bearing ring and the rolling body. The deformation is proportional to the load, and the ratio determines the rigidity of the bearing.Generally, bearing rigidity can be improved by pretightening the bearing.In addition, the bearing stiffness can be improved by considering the combination and arrangement of the bearing in the bearing design.

4. Centering Performance And Mounting: After the bearing is loaded into the working position, the mounting and positioning are often poor due to manufacturing error.This is often due to shaft fishing and thermal expansion and other reasons, so that the bearing bear too much load, causing early damage.The self-aligning bearing can overcome the defects caused by the installation error, so it is suitable for this kind of bearing.

5. Installation And Disassembly Of Rotary Driving Device: tapered roller bearing, needle roller bearing and tapered roller bearing, etc., belong to the type of bearing with detachable inner and outer rings (the so-called detachable bearing), which is convenient for installation and disassembly.

Coresun Drive slewing drive SC7 worm shaft,casting housing and slewing bearing machining.


Slewing Drive Application

CONTACT US

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Feature: Corrosion-Resistant
Holding Torque: 10.4kn.M
Tilting Moment Torque: 13.5kn.M
Output Torque: 2kn.M
Output Speed: 1rpm
Gear Ratio: 71:1
Customization:
Available

|

Customized Request

worm gear

What are the advantages and disadvantages of using a worm gear?

A worm gear offers several advantages and disadvantages that should be considered when selecting it for a specific application. Here’s a detailed explanation of the advantages and disadvantages of using a worm gear:

Advantages of using a worm gear:

  • High gear reduction ratio: Worm gears are known for their high gear reduction ratios, which allow for significant speed reduction and torque multiplication. This makes them suitable for applications that require precise motion control and high torque output.
  • Compact design: Worm gears have a compact design, making them space-efficient and suitable for applications where size is a constraint. The worm gear’s compactness allows for easy integration into machinery and equipment with limited space.
  • Self-locking capability: One of the key advantages of a worm gear is its self-locking property. The angle of the worm thread prevents the reverse rotation of the output shaft, eliminating the need for additional braking mechanisms. This self-locking feature is beneficial for maintaining position and preventing backdriving in applications where holding the load in place is important.
  • Quiet operation: Worm gears typically operate with reduced noise levels compared to other gear types. The sliding action between the worm and the worm wheel teeth results in smoother and quieter operation, making them suitable for applications where noise reduction is desired.
  • High shock-load resistance: Worm gears have good shock-load resistance due to the sliding contact between the worm and the worm wheel teeth. This makes them suitable for applications that involve sudden or intermittent loads, such as lifting and hoisting equipment.
  • Easy installation and maintenance: Worm gears are relatively easy to install and maintain. They often come as a compact unit, requiring minimal assembly. Lubrication maintenance is crucial for optimal performance and longevity, but it is typically straightforward and accessible.

Disadvantages of using a worm gear:

  • Lower efficiency: Worm gears tend to have lower mechanical efficiency compared to some other gear types. The sliding action between the worm and the worm wheel teeth generates higher frictional losses, resulting in reduced efficiency. However, efficiency can be improved through careful design, quality manufacturing, and proper lubrication.
  • Limited speed capability: Worm gears are not suitable for high-speed applications due to their sliding contact and the potential for heat generation. High speeds can lead to increased friction, wear, and reduced efficiency. However, they excel in low to moderate speed applications where high torque output is required.
  • Heat generation: The sliding action between the worm and the worm wheel generates friction, which can result in heat generation. In high-load or continuous-duty applications, this heat buildup can affect the efficiency and longevity of the system. Proper lubrication and heat dissipation measures are necessary to mitigate this issue.
  • Less suitable for bidirectional motion: While worm gears offer excellent self-locking capabilities in one direction, they are less efficient and less suitable for bidirectional motion. Reversing the direction of the input or output shaft can lead to increased friction, reduced efficiency, and potential damage to the gear system.
  • Lower accuracy in positioning: Worm gears may have lower accuracy in positioning compared to some other gear types, such as precision gear systems. The sliding contact and inherent backlash in worm gears can introduce some degree of positioning error. However, for many applications, the accuracy provided by worm gears is sufficient.
  • Potential for wear and backlash: Over time, the sliding action in worm gears can lead to wear and the development of backlash, which is the play or clearance between the worm and the worm wheel teeth. Regular inspection, maintenance, and proper lubrication are necessary to minimize wear and reduce backlash.

When considering the use of a worm gear, it’s essential to evaluate the specific requirements of the application and weigh the advantages against the disadvantages. Factors such as torque requirements, speed limitations, positional stability, space constraints, and overall system efficiency should be taken into account to determine if a worm gear is the right choice.

worm gear

What are the environmental considerations when using worm gears?

When using worm gears, there are several environmental considerations to keep in mind. Here’s a detailed explanation of these considerations:

  1. Lubrication: Proper lubrication is essential for the efficient and reliable operation of worm gears. Lubricants help reduce friction and wear between the gear teeth, resulting in improved efficiency and extended gear life. When selecting lubricants, it is important to consider their environmental impact. Environmentally friendly lubricants, such as biodegradable or synthetic lubricants with low toxicity, can be used to minimize the potential harm to the environment in case of leakage or accidental spills.
  2. Leakage and contamination: Worm gear systems are susceptible to lubricant leakage, which can cause environmental pollution. It is important to ensure that the gear housing is properly sealed to prevent lubricant leakage into the environment. Regular inspections and maintenance should be carried out to detect and repair any leaks promptly. Additionally, measures should be taken to prevent contaminants such as dust, dirt, and water from entering the gear system, as they can degrade the lubricant and affect the gear performance.
  3. Energy efficiency: Worm gears, like any mechanical power transmission system, consume energy during operation. It is important to consider energy efficiency when selecting and designing worm gear systems. Optimal gear design, proper gear selection, and efficient lubrication practices can contribute to reducing energy consumption and minimizing the environmental impact associated with energy use.
  4. Noise and vibration: Worm gears can generate noise and vibration during operation. Excessive noise can contribute to noise pollution, while high vibration levels can impact the surrounding equipment and structures. To mitigate these effects, it is important to design and manufacture worm gears with low noise and vibration characteristics. This can involve careful gear design, proper lubrication, and the use of vibration-damping materials or mechanisms.
  5. End-of-life considerations: At the end of their service life, worm gear components may need to be replaced or recycled. Disposal of worn-out gears should be done in accordance with applicable environmental regulations. Whenever possible, recycling or reusing gear components can help reduce waste and minimize the environmental impact associated with the disposal of gear materials.
  6. Environmental regulations: Compliance with environmental regulations and standards is crucial when using worm gears. Different regions may have specific regulations governing the use and disposal of lubricants, materials, and manufacturing processes associated with gear systems. It is important to stay informed about these regulations and ensure compliance to avoid any adverse environmental impact and legal consequences.

By considering these environmental factors, it is possible to minimize the ecological footprint of worm gear systems and promote sustainable practices in their use and maintenance. This includes selecting environmentally friendly lubricants, implementing proper sealing and maintenance procedures, optimizing energy efficiency, and adhering to relevant environmental regulations.

worm gear

How do you choose the right size worm gear for your application?

Choosing the right size worm gear for your application involves considering several factors to ensure optimal performance and longevity. Here are the key considerations:

Load Requirements:

Determine the maximum load that the worm gear will need to transmit. This includes both the torque (rotational force) and the axial load (force along the axis of the gear). Calculate or estimate the peak and continuous loads that the gear will experience during operation. Consider factors such as shock loads, dynamic forces, and variations in load conditions. This information will help determine the required load-carrying capacity of the worm gear.

Gear Ratio:

Determine the desired gear ratio for your application. The gear ratio determines the speed reduction and torque multiplication provided by the worm gear system. Consider the specific requirements of your application, such as the desired output speed and the torque needed to drive the load. Select a worm gear with a gear ratio that meets your application’s requirements while considering the limitations of the available gear options.

Efficiency:

Consider the efficiency requirements of your application. Worm gears typically have lower efficiency compared to other types of gears due to the sliding action between the worm and worm wheel. If efficiency is critical for your application, choose a worm gear design and materials that offer higher efficiency, such as a double enveloping worm gear.

Space Constraints:

Evaluate the available space for the worm gear assembly in your application. Consider the dimensions of the worm gear, including the diameter, length, and mounting requirements. Ensure that the chosen worm gear can fit within the available space without compromising other components or functionality.

Speed and Operating Conditions:

Consider the operating speed and environmental conditions in which the worm gear will operate. Some worm gears have speed limitations due to factors such as heat generation and lubrication requirements. Ensure that the selected worm gear is suitable for the anticipated speed range and can withstand the temperature, humidity, and other environmental factors of your application.

Manufacturing Standards and Quality:

Select a worm gear that conforms to recognized manufacturing standards and quality requirements. Look for worm gears from reputable manufacturers that offer reliable and durable products. Consider factors such as material quality, surface finish, and precision in the gear manufacturing process.

By carefully evaluating these factors and considering the specific requirements of your application, you can choose the right size worm gear that meets your performance, load, and space requirements, resulting in a reliable and efficient gear system.

China OEM 7 Inch Aerial Working Platform Slewing Ring Worm Gear worm gear motorChina OEM 7 Inch Aerial Working Platform Slewing Ring Worm Gear worm gear motor
editor by CX 2023-11-14