The difference between planetary reducers

We all know that there are many types of planetary reducers, and the commonly used ones are straight tooth planetary reducers and helical tooth planetary reducers. The specific product selection needs to be considered based on the characteristics of the product. Some people think straight tooth planetary reducers are better, while others think helical tooth planetary reducers are better. So what is the difference between them? Below, we will analyze the differences between straight tooth planetary reducers and helical tooth planetary reducers.

Compared to spur gear planetary reducers, helical gear planetary reducers have lower errors. They use helical gears internally, which have higher transmission efficiency and perform well in transmission accuracy. Especially on high-power planetary reducers, they have higher torque and more stable transmission. Small power gear reducers also use helical gears to reduce transmission errors; Helical gears can compensate for the error of each thin gear, which is very useful for the elasticity of the gear teeth. Therefore, the result is that gears with an error of less than 10mm can average the error, greatly reducing vibration. Therefore, under load, they can operate smoothly like gear teeth with an error of less than 1mm. Because at any instant, approximately half of the time (assuming a coincidence of approximately 1.5) there will be two teeth meshing, which brings additional benefits in terms of strength. Therefore, stress can be established on the basis of 1.5 times the tooth width, rather than one tooth width.

Adopting mechatronics integration in assembly and manufacturing, as well as assembling a large number of thin straight gears, is both difficult and uneconomical. Therefore, it is necessary to manufacture gears that are connected and have teeth along the helical direction. Unlike straight gears, helical gears may cause poor axial force, but the benefits in vibration and strength far outweigh the drawbacks caused by axial thrust and slightly increased manufacturing costs, Therefore, using helical gears instead of spur gears is a good choice.

That's all for the difference between straight tooth planetary reducers and helical tooth planetary reducers. If you have carefully read our article, I believe you have some understanding. Of course, if you don't understand or have any questions, you can call our hotline for consultation, and relevant personnel will answer your questions.