Product Description
High quality swivel drive gear motor SC17 for rotation euqipment aerial working platform, crane application.
| Model Slewing Bearing | SC17 | Brand | Coresun Drive |
| Holding Torque | 72.3Kn.m | Tilting Moment Torque | 135.6Kn.m |
| Self-locking | Yes | Gear Ratio | 102:1 |
| Outer Dia. | 480mm | Inner Dia. | 365mm |
| Rated Output Speed | 1.47rpm | Precison | 0.17° |
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 custom 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.
Coresun Drive’s worm-gear slewing drive includes 2 categories: cylindrical worms and envelope worms. Cylindrical worms are suitable for medium-speed and heavy-duty applications, and envelope worms are suitable for low-speed, heavy-duty and high-precision applications. The worm-gear slewing drive is self-locking , In the field of power sports, it can provide basic safety guarantee and further simplify the overall design of the equipment. It is a superior industrial accessory.
This increased tooth engagement results in greater strength, efficiency and durability.The slewing drive uses standard worm technology in which the worm on the horizontal The speed ratio of the shaft depends on the relationship between the number of threads on the worm and the number of teeth in the worm gear or gear.The specifications of the drive and gear depend on the material of the gear. However, most of the drives and gears typically used consist of steel and phosphor bronze. According to a wide range of tests,chilled nickel-phosphorus bronze ranks first in terms of Wear resistance and deformability.
The slewing drive is a new type of slewing product, usually called slewing ring, which is usually composed of worm, slewing ring, housing, motor and other components. Since the core components are slewing bearings, they can simultaneously withstand axial forces, radial forces, and overturning moments. Compared with traditional rotary products, the new rotary drive features easy installation, easy maintenance and a greater degree of installation space.
Rotary drive slewing drive worm gear is a perfect combination of turbine worm products, worm ring surface envelope form, its tooth contact area is large, so the transmission torque is large, stable operation.
1. Our manufacturing standard is according to machinery standard JB/T2300-2011, we also has been found the efficient Quality Management Systems (QMS) of ISO 9001:2015 and GB/T19001-2008.
2. We devote ourselves to the R &D of customized slewing bearing with high precision,special purpose and requirements.
3. With abundant raw materials and high production efficiency, the company can supply products to customers as quickly as possible and shorten the time for customers to wait for products.
4. Our internal quality control includes first inspection, mutual inspection, in-process quality control and sampling inspection to ensure product quality. The company has complete testing equipment and advanced testing method.
5. Strong after-sales service team, timely solve customer problems, to provide customers with a variety of services.
Coresun Drive Slewing Bearing Production Photo and Application
Coresun Drive Relevant Certification as following
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It is sincerely looking CHINAMFG to cooperating with you for and providing you the best quality product & service with all of our heart!
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| Holding Torque: | 72.3kn.M |
|---|---|
| Tilting Moment Torque: | 135.6kn.M |
| Output Torque: | 12.24kn.M |
| Output Speed: | 1.47rpm |
| Gear Ratio: | 102:1 |
| IP Class: | IP65 |
| Customization: |
Available
| Customized Request |
|---|
How does a worm gear impact the overall efficiency of a system?
A worm gear has a significant impact on the overall efficiency of a system due to its unique design and mechanical characteristics. Here’s a detailed explanation of how a worm gear affects system efficiency:
A worm gear consists of a worm (a screw-like gear) and a worm wheel (a cylindrical gear with teeth). When the worm rotates, it engages with the teeth of the worm wheel, causing the wheel to rotate. The main factors influencing the efficiency of a worm gear system are:
- Gear Reduction Ratio: Worm gears are known for their high gear reduction ratios, which are the ratio of the number of teeth on the worm wheel to the number of threads on the worm. This high reduction ratio allows for significant speed reduction and torque multiplication. However, the larger the reduction ratio, the more frictional losses occur, resulting in lower efficiency.
- Mechanical Efficiency: The mechanical efficiency of a worm gear system refers to the ratio of the output power to the input power, accounting for losses due to friction and inefficiencies in power transmission. Worm gears typically have lower mechanical efficiency compared to other gear types, primarily due to the sliding action between the worm and the worm wheel teeth. This sliding contact generates higher frictional losses, resulting in reduced efficiency.
- Self-Locking: One advantageous characteristic of worm gears is their self-locking property. Due to the angle of the worm thread, the worm gear system can prevent the reverse rotation of the output shaft without the need for additional braking mechanisms. While self-locking is beneficial for maintaining position and preventing backdriving, it also increases the frictional losses and reduces the efficiency when the gear system needs to be driven in the opposite direction.
- Lubrication: Proper lubrication is crucial for minimizing friction and maintaining efficient operation of a worm gear system. Inadequate or improper lubrication can lead to increased friction and wear, resulting in lower efficiency. Regular lubrication maintenance, including monitoring viscosity, cleanliness, and lubricant condition, is essential for optimizing efficiency and reducing power losses.
- Design and Manufacturing Quality: The design and manufacturing quality of the worm gear components play a significant role in determining the system’s efficiency. Precise machining, accurate tooth profiles, proper gear meshing, and appropriate surface finishes contribute to reducing friction and enhancing efficiency. High-quality materials with suitable hardness and smoothness also impact the overall efficiency of the system.
- Operating Conditions: The operating conditions, such as the load applied, rotational speed, and temperature, can affect the efficiency of a worm gear system. Higher loads, faster speeds, and extreme temperatures can increase frictional losses and reduce overall efficiency. Proper selection of the worm gear system based on the expected operating conditions is critical for optimizing efficiency.
It’s important to note that while worm gears may have lower mechanical efficiency compared to some other gear types, they offer unique advantages such as high gear reduction ratios, compact design, and self-locking capabilities. The suitability of a worm gear system depends on the specific application requirements and the trade-offs between efficiency, torque transmission, and other factors.
When designing or selecting a worm gear system, it is essential to consider the desired balance between efficiency, torque requirements, positional stability, and other performance factors to ensure optimal overall system efficiency.
What are the potential challenges in designing and manufacturing worm gears?
Designing and manufacturing worm gears can present several challenges due to their unique characteristics and operating conditions. Here’s a detailed explanation of the potential challenges involved:
- Complex geometry: Worm gears have complex geometry with helical threads on the worm shaft and corresponding teeth on the worm wheel. Designing the precise geometry of the gear teeth, including the helix angle, lead angle, and tooth profile, requires careful analysis and calculation to ensure proper meshing and efficient power transmission.
- Gear materials and heat treatment: Selecting suitable materials for worm gears is critical to ensure strength, wear resistance, and durability. The materials must have good friction and wear properties, as well as the ability to withstand the sliding and rolling contact between the worm and the worm wheel. Additionally, heat treatment processes such as carburizing or induction hardening may be necessary to enhance the gear’s surface hardness and improve its load-carrying capacity.
- Lubrication and cooling: Worm gears operate under high contact pressures and sliding velocities, resulting in significant heat generation and lubrication challenges. Proper lubrication is crucial to reduce friction, wear, and heat buildup. Ensuring effective lubricant distribution to all contact surfaces, managing lubricant temperature, and providing adequate cooling mechanisms are important considerations in worm gear design and manufacturing.
- Backlash control: Controlling backlash, which is the clearance between the worm and the worm wheel, is crucial for precise motion control and positional accuracy. Designing the gear teeth and adjusting the clearances to minimize backlash while maintaining proper tooth engagement is a challenge that requires careful consideration of factors such as gear geometry, tolerances, and manufacturing processes.
- Manufacturing accuracy: Achieving the required manufacturing accuracy in worm gears can be challenging due to their complex geometry and tight tolerances. The accurate machining of gear teeth, maintaining proper tooth profiles, and achieving the desired surface finish require advanced machining techniques, specialized tools, and skilled operators.
- Noise and vibration: Worm gears can generate noise and vibration due to the sliding contact between the gear teeth. Designing the gear geometry, tooth profiles, and surface finishes to minimize noise and vibration is a challenge. Additionally, the selection of appropriate materials, lubrication methods, and gear housing design can help reduce noise and vibration levels.
- Efficiency and power loss: Worm gears inherently have lower efficiency compared to other types of gear systems due to the sliding contact and high gear ratios. Minimizing power loss and improving efficiency through optimized gear design, material selection, lubrication, and manufacturing accuracy is a challenge that requires careful balancing of various factors.
- Wear and fatigue: Worm gears are subjected to high contact stresses and cyclic loading, which can lead to wear, pitting, and fatigue failure. Designing the gear teeth for proper load distribution, selecting appropriate materials, and applying suitable surface treatments or coatings are essential to mitigate wear and fatigue issues.
- Cost considerations: Designing and manufacturing worm gears can be cost-intensive due to the complexity of the gear geometry, material requirements, and precision manufacturing processes. Balancing performance requirements with cost considerations is a challenge that requires careful evaluation of the gear’s intended application, performance expectations, and budget constraints.
Addressing these challenges requires a comprehensive understanding of gear design principles, manufacturing processes, material science, and lubrication technologies. Collaboration between design engineers, manufacturing experts, and material specialists is often necessary to overcome these challenges and ensure the successful design and production of high-quality worm gears.
What are the benefits of using a worm gear mechanism?
Using a worm gear mechanism offers several benefits in various applications. Here are some of the advantages:
- High Gear Reduction: Worm gears provide high gear reduction ratios, allowing for significant speed reduction and torque multiplication. This makes them suitable for applications where a small input speed or high torque output is required.
- Compact Design: Worm gears have a compact design, with the worm and worm wheel positioned at right angles to each other. This makes them space-efficient and suitable for applications where size and weight limitations exist.
- Self-Locking: Worm gears exhibit a self-locking characteristic due to the angle of the worm’s helical thread. This means that the worm can drive the worm wheel, but the reverse is not true. The self-locking feature allows worm gears to hold position without additional braking mechanisms, making them suitable for applications that require mechanical holding or braking capabilities.
- Quiet Operation: Worm gear mechanisms are known for their quiet operation. The helical nature of the worm’s thread and the meshing with the worm wheel teeth help reduce noise and vibration, resulting in smoother and quieter performance.
- Shock Load Resistance: Worm gears are capable of handling moderate to high shock loads due to their inherent design. The sliding action between the worm and worm wheel allows the gear system to absorb and distribute sudden impacts and loads effectively.
- Versatile Mounting Options: Worm gears can be mounted in various orientations, including horizontal, vertical, and inclined positions, providing flexibility in design and installation.
- High Torque Transmission: The design of worm gears allows for efficient transmission of high torque. This makes them suitable for applications that require heavy-duty torque requirements, such as lifting mechanisms, conveyor systems, and machine tools.
- Simple Lubrication: Worm gears typically require lubrication to reduce friction and wear. However, compared to some other gear types, worm gears have relatively simple lubrication requirements due to the sliding action between the worm and worm wheel. Proper lubrication helps extend the lifespan of the gear system and maintain its performance.
These benefits make worm gear mechanisms well-suited for a wide range of applications, including automotive systems, industrial machinery, elevators, robotics, and more. However, it’s important to consider the specific requirements and limitations of each application to ensure the optimal use of worm gears.
editor by CX 2024-04-03