National Customer Service Hotline
0755-27042131
Disassembly and Assembly of a Horizontal Cycloidal Pinwheel Planetary Gear Motor
Horizontal cycloidal pinwheel planetary reduction motor
The key to the unparalleled performance and reliability of cycloidal gear drives lies in the fact that 67% of the reduction elements remain in continuous contact, whereas helical and planetary gear designs rely on only limited tooth engagement. Unlike gear-based designs, SPEED’s reduction elements operate under compressive rather than shear loading, enabling them to withstand impact loads exceeding 500% of their rated capacity and delivering superior performance, reliability, and extended service life in even the most demanding applications.
Harmonic drive gearbox
Appearance of a two-stage horizontal cycloidal pinwheel planetary reducer
Choose the size and modifications that best suit your needs. HP ratings span a wide range, with outputs up to 200 HP and reduction ratios as high as 658.503:1, along with dozens of application‑specific and industry‑tailored options, ensuring your operations remain free from unexpected downtime.

Running smoothly
The design of the cycloidal reducer enables its reduction components to operate with smooth rolling motion, preventing tooth breakage—a common issue in conventional gear drives—thereby ensuring the product’s durability and long service life.
High efficiency
Rolling Contact – All major torque-transmitting components operate by rolling rather than sliding. Rolling motion helps reduce friction and improve efficiency. Single-stage efficiency approaches 93%, while two-stage efficiency is around 86%.
Durable and long-lasting
The tooth profile of a cycloidal gear drive distributes the load across multiple teeth, making tooth breakage less likely. At least 66% of the ring‑gear rollers and the convex lobes of the cycloidal disk share the impact load during compression. Furthermore, the primary torque‑transmitting components within the cycloidal drive are manufactured from high‑carbon chromium bearing steel, hardened to a Rockwell hardness of HRC 61–63, and precision ground. As a result, Varitron cycloidal drives can withstand intermittent shock loads up to 500% of their cataloged torque rating.

Lubrication:
1. In normal operation, horizontal cycloidal gear reducers are lubricated by an oil bath, with the oil level maintained at the midpoint of the sight glass. Under harsh operating conditions or at elevated ambient temperatures, circulating lubrication may be employed.
2. At ambient temperatures, cycloidal gear reducers are typically lubricated with 40# or 50# mechanical oil. To enhance operational performance and extend the service life of the reducer, it is recommended to use 70# or 90# extreme-pressure gear oil. When operating under high or low temperature conditions, the choice of lubricant should be reassessed.
3. When installing a planetary cycloidal gear reducer in a vertical orientation, it is essential to prevent oil starvation at the oil pump to avoid damage to the reducer’s components.
4. When refueling, unscrew the vent cap on the upper part of the base; when draining, unscrew the drain plug at the bottom of the base to release the used oil. The gearbox is shipped from the factory without lubricant inside.
5. During the first oil‑filling operation, run the equipment for 100 hours and then replace the oil to thoroughly flush out any accumulated contaminants. Thereafter, change the oil every six months (based on an 8‑hour workday). If operating conditions are severe, shorten the oil‑change interval as appropriate. Experience has shown that frequent cleaning and oil changes—such as every 3 to 6 months—play a crucial role in extending the service life of the gearbox. Throughout operation, regularly replenish the lubricant.
6. For newly installed gear reducers, lubricant should be replenished and the oil changed every six months; use aluminum‑dihydrogen disulfide‑2# or 2L‑2# lithium‑based grease.
Related Information