Introduction to the heat treatment method of planetary reducer

 There are many heat treatment methods for the reducer, such as surface quenching, overall quenching, nitriding, etc., which are generally selected according to the characteristics of the reducer.The heat treatment method of the planetary reducer is introduced as follows:　

1. Surface hardening

Common surface quenching methods include high frequency quenching and flame quenching.High-frequency quenching is generally suitable for some small-sized gears, while flame quenching is suitable for large-sized gears.The quenched part of the surface quenching includes the bottom of the tooth root, so the effect will be better.The commonly used material for surface hardening is steel with a carbon content of 0.35% to 0.5%, so the hardness of the tooth surface will be higher.　

2. Carburizing and quenching　　

Carburized and hardened gears have a relatively large load-bearing capacity, but gear grinding must be used to solve the degeneration caused by heat treatment, so as to ensure its accuracy.

3. Nitriding　　

The use of nitriding can ensure that the gear can achieve high tooth surface hardness and wear resistance under the condition of small degeneration. After heat treatment, no post-finishing can be performed to increase its load-bearing capacity. This is for those who are not easy to grind. The tooth of the gear is very important.

4. Hardness combination of meshing gear　　

When the large and small gears are all soft tooth surfaces, the tooth surface hardness of the pinion gear will be greater than that of the large gear.When the large and small gears have hard tooth surfaces and the hardness is relatively high, the hardness of the two gears is the same.　

As long as a reasonable heat treatment method is selected, it will be beneficial to increase the bearing capacity of the gear reducer and its service life.