Machining method of powder metallurgy gear

Machining method of powder metallurgy gear

What is the machining method of powder metallurgy gear? We know that the powder metallurgy gear is actually a kind of wheel like mechanical part that can transfer torque by the meshing of teeth. The transmission of powder metallurgy gear and other tooth like mechanical parts can change the speed, torque and direction of movement. In the powder metallurgy parts used in various machinery, automobile and other industries, the powder metallurgy gear is a relatively large category. Today, Zhugnwei Precision will talk to you about the processing and molding methods of powder metallurgy gears.

Powder metallurgy gears are processed and formed through the process of mixing forming sintering finished products. The details are as follows:

Powder metallurgy gear

(1) Mixing

In the production of P/M gears, powder preparation is the first step, followed by powder mixing and other steps;

(2) Press forming

The powder is pressed into the required shape of powder metallurgy gear under a certain pressure;

(3) , Sintering

It shall be conducted in a high-temperature furnace or vacuum furnace with protective atmosphere. During sintering, the powder particles become metallurgical products with certain porosity through a series of physical and chemical processes such as diffusion, recrystallization, fusion welding, combination, dissolution, etc;

(4) Post processing

Generally, sintered P/M gears can be used directly. However, some P/M gears with high dimensional accuracy, high hardness and high wear resistance also need post sintering treatment. Such as: fine pressing, rolling, extrusion, quenching and immersion.

About the processing method of powder metallurgy gear, zhognwei Precision will introduce it to you here. If you want to know more about P/M gears, please continue to pay attention to the dynamics of P/M gear manufacturers