China Hot selling Disk Output Angle Spur Gear Planetary Reducer raw gear

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Disk output angle spur gear planetary reducer
PLANETX planetary reduce

Disc output reducer is widely used in industrial products due to its small size, light weight, large torque, wide speed ratio range, high rigidity, high precision, high transmission efficiency, maintenance free and other characteristics.
The planetary reducer structure is composed of a sun gear and a planet gear to form an external mesh, and a planet gear and an internal gear ring to form an internal mesh, so that the planet gear can realize revolution while realizing self rotation and maximum transmission of guarantee force; The minimum speed ratio of single-stage reduction is 3, and the maximum speed ratio is generally not more than 10. Common reduction ratios are 3, 4, 5, 6, 7, 8, and 10. The number of reducer stages is generally not more than 3, and the speed ratio is not more than 1.
Most planetary reducers are used with servo motors to reduce speed, increase torque, increase inertia, and ensure return accuracy (the higher the return accuracy, the higher the price). The maximum rated input speed of planetary reducers can reach 12000 rpm (depending on the size of the reducer itself, the larger the reducer, the smaller the rated input speed), and the operating temperature is generally between – 40 ºC and 120 ºC.

Application description of reducer

Drawing reference








    Rated output torque


16.5 63 3 1-stages
26 90 4
28 100 5
20 68 7
12.5 43 10
19.5 75 9
31.5 110 12
31.5 110 16
31.5 110 20
33.5 120 25
31.5 110 28 2-stages
33.5 120 35
31.5 110 40
33.5 120 50
24 81 70
37.5 130 80
37.5 130 100
40 145 125
37.5 130 140
40 145 175
37.5 130 200
40 145 250
37.5 130 280 3-stages
40 145 350
37.5 130 400
40 145 500
28 95 700
18.8 62 1000
Nm 2/2*Nominal torqute

Backlash arcmin <4 <4 P1 1-stages
<8 <8 P2
<8 <8 P1 2-stages
<12 <12 P2  
<10 <10 P1 3-stages
<14 <14 P2
NO-load torque NM 0.18 0.6   1-stages 
0.17 0.55   2-stegas
0.16 0.5   3-stegas

Q: How to get a quick quote
A: Please provide the following information when contacting us

  1. Motor brand
  2. Motor model
  3. Motor dimension drawing
  4. What is the gear ratio

Q: How long is your delivery date
A: We all install it now, but it takes 7-15 days if it is not non-standard. Non standard 15-30 days, depending on the specific situation
Q:Do you provide samples, free or extra
A: A: You can reserve 1 first, and purchase it on demand
Corporate group building

1.How do we know the product quality?
A1.We suggest you order samples. In addition, you can send an email to us for detailed photos to check if you can’t get enough information in the product page

2.Is this your final price? Can I have a discount?A2.Our price is ex factory.
A2.If you want a large quantity, we can give you a discount
3.Can we visit your factory?
A3.Yes, a warm 

To participate in the exhibitionelcome. Floor 3, Building 1, No. 12, Xihu (West Lake) Dis. Road, Wanjiang District, HangZhou City, ZheJiang Province

Shipping Cost:

Estimated freight per unit.

To be negotiated
Warranty: 1 Year
Classification: Gear Parts
Processing Type: Metal Processing


Customized Request

spur gear

Can spur gears be used in both horizontal and vertical orientations?

Yes, spur gears can be used in both horizontal and vertical orientations. Here’s a detailed explanation:

Spur gears are one of the most common types of gears used in various applications. They have straight teeth that are parallel to the gear axis and are designed to transmit power and torque between parallel shafts. The versatility of spur gears allows them to be used in different orientations, including horizontal and vertical configurations.

Horizontal Orientation:

In horizontal applications, where the gear shafts are positioned parallel to the ground, spur gears are widely utilized. Horizontal orientations are commonly found in machinery such as conveyor systems, automobiles, industrial equipment, and many other applications. Spur gears in horizontal configurations can efficiently transmit power and torque between shafts, providing reliable operation and smooth gear engagement.

Vertical Orientation:

Spur gears can also be used in vertical orientations, where the gear shafts are positioned perpendicular to the ground. Vertical gear arrangements are often encountered in applications such as wind turbines, elevators, vertical conveyor systems, and various industrial machinery. In these cases, the weight of the gears and any additional loads acting on them must be considered to ensure proper load distribution and support. Adequate lubrication and proper gear design, including tooth profile and material selection, are important factors to ensure reliable and efficient operation in vertical orientations.

When using spur gears in vertical orientations, some additional considerations may be necessary due to the effects of gravity and potential oil leakage. In vertical applications, gravity can affect the distribution of lubricant, potentially leading to inadequate lubrication of gear teeth. Proper lubrication techniques and lubricant selection should be employed to ensure sufficient film thickness and minimize wear. Additionally, seals or other measures may be required to prevent oil leakage, especially in applications where high-speed rotation or high loads are involved.

It’s important to note that while spur gears can be used in both horizontal and vertical orientations, the specific design and configuration of the gear system should be evaluated to ensure optimal performance and longevity. Factors such as load distribution, gear alignment, lubrication, and material selection should be carefully considered based on the intended orientation and operating conditions of the gear system.

Consulting with gear manufacturers, engineers, or industry experts can provide further guidance on the suitability and design considerations when using spur gears in horizontal or vertical orientations.

spur gear

How do you maintain and service a spur gear system?

Maintaining and servicing a spur gear system is crucial to ensure its optimal performance, longevity, and reliability. Here’s a detailed explanation of how to maintain and service a spur gear system:

  1. Regular Inspection: Perform regular inspections of the spur gear system to identify any signs of wear, damage, misalignment, or abnormal operating conditions. Inspect the gear teeth, shafts, bearings, and housing for any visible issues. Pay attention to unusual noises, vibrations, or changes in gear performance. Early detection of problems allows for timely intervention and prevents further damage.
  2. Cleaning: Keep the spur gear system clean by removing any dirt, debris, or contaminants that may accumulate on the gear surfaces or within the gear housing. Use appropriate cleaning methods such as brushing, wiping, or blowing with compressed air. Avoid using harsh chemicals that may damage the gear components or compromise lubrication.
  3. Lubrication: Ensure proper lubrication of the spur gear system as per the manufacturer’s recommendations. Regularly check the lubricant levels and condition. Monitor viscosity, contamination levels, and oxidation of the lubricant. Replenish or replace the lubricant as necessary to maintain optimal gear lubrication and protection against wear.
  4. Alignment Check: Periodically check the shaft alignment of the gear system to ensure proper alignment. Misaligned shafts can result in increased wear, noise, and reduced gear efficiency. Use alignment tools such as dial indicators or laser alignment systems to verify and adjust the shaft alignment if needed.
  5. Torque and Fastener Check: Check the torque of fasteners, including bolts, set screws, and retaining rings, to ensure they are properly tightened. Loose fasteners can lead to gear misalignment and compromised performance. Follow the manufacturer’s recommended torque values for the specific gear system components.
  6. Replacement of Worn Components: Over time, gear components such as gear teeth, bearings, or shafts may wear out or become damaged. Replace any worn or damaged components promptly to prevent further issues and maintain the gear system’s functionality. Use genuine replacement parts recommended by the gear manufacturer.
  7. Monitoring Operating Conditions: Monitor the operating conditions of the gear system, including temperature, load, and speed. Ensure that the gear system operates within the specified limits and does not exceed the design parameters. Excessive heat, overloading, or high-speed operation can accelerate wear and reduce gear life.
  8. Training and Expert Support: Ensure that personnel responsible for maintaining and servicing the spur gear system receive proper training and have access to expert support. Familiarize yourself with the gear system’s documentation, including maintenance manuals, technical specifications, and troubleshooting guides. Consult with gear manufacturers or specialists for guidance on specific maintenance procedures or complex issues.

Developing a regular maintenance schedule and keeping accurate records of maintenance activities can help ensure consistent and effective servicing of the spur gear system. Adhering to recommended maintenance practices and addressing any identified issues promptly will help optimize the performance, reliability, and service life of the gear system.

It’s important to note that maintenance and servicing procedures may vary depending on the specific gear system, application, and manufacturer’s recommendations. Therefore, always refer to the gear system’s documentation and consult with the manufacturer for detailed maintenance instructions.

spur gear

How do spur gears contribute to power transmission?

Spur gears play a crucial role in power transmission due to their specific design and tooth engagement. Here’s a detailed explanation of how spur gears contribute to power transmission:

  1. Direct Tooth Engagement: Spur gears have straight teeth that mesh directly with each other. This direct tooth engagement ensures efficient transfer of power from one gear to another. As the driving gear rotates, its teeth come into contact with the teeth of the driven gear, enabling the transfer of rotational motion and torque.
  2. Uniform Load Distribution: The teeth of spur gears distribute the transmitted load evenly across the gear surfaces. The straight, parallel teeth provide a larger contact area compared to other gear types, resulting in improved load-carrying capacity and reduced stress concentration. This uniform load distribution helps prevent premature wear and failure of the gears, ensuring reliable power transmission.
  3. Efficiency: Spur gears are known for their high efficiency in power transmission. The direct tooth engagement and parallel shaft arrangement minimize energy losses during rotation. The teeth mesh smoothly, resulting in minimal friction and reduced power dissipation. This efficiency is beneficial in applications where maximizing power transfer and minimizing energy waste are crucial.
  4. Speed and Torque Conversion: Spur gears allow for speed and torque conversion between the driving and driven shafts. By using gears with different numbers of teeth, the rotational speed and torque can be adjusted to match the requirements of the application. For example, a small gear driving a larger gear will result in a higher torque output at a lower speed, while a larger gear driving a smaller gear will result in a higher speed output at a lower torque.
  5. Directional Control: The arrangement of spur gears can be used to control the rotational direction of the driven shaft relative to the driving shaft. By meshing gears with opposite orientations (e.g., one gear with clockwise teeth and another gear with counterclockwise teeth), the direction of rotation can be reversed. This directional control is essential in applications where the desired motion needs to be reversed or changed.
  6. Multiple Gear Configurations: Spur gears can be combined in various configurations to form gear trains, allowing for complex power transmission systems. Gear trains consist of multiple gears meshing together, with each gear contributing to the overall power transmission. Gear trains can alter speed, torque, and direction, providing flexibility in adapting power transmission to specific requirements.
  7. Compatibility with Other Components: Spur gears are compatible with a wide range of other mechanical components, such as shafts, bearings, and housings. This compatibility allows for easy integration into different systems and machinery. Spur gears can be mounted on shafts using keyways, set screws, or other mounting methods, ensuring secure and reliable power transmission.

Overall, spur gears are essential in power transmission systems due to their direct tooth engagement, uniform load distribution, high efficiency, speed and torque conversion capabilities, directional control, compatibility with other components, and the ability to form complex gear trains. These characteristics make spur gears a versatile and widely used choice for transmitting power in various applications across industries.

China Hot selling Disk Output Angle Spur Gear Planetary Reducer raw gearChina Hot selling Disk Output Angle Spur Gear Planetary Reducer raw gear
editor by CX 2023-09-05