Powder metallurgy gears are widely used in various automobile engine powder metallurgy parts. In the forming process, the unnecessary process can fully meet the accuracy requirements, especially the tooth profile accuracy.

It is difficult to count the powder metallurgy gears of powder metallurgy parts separately, but the proportion of powder metallurgy gears for automobiles, powder metallurgy parts for automobiles, and motorcycles are more work in other fields, whether in terms of weight or quantity. Therefore, from automobiles, the increased proportion of motorcycles in powder metallurgy parts can be seen in the status quo of rapid development in powder metallurgy parts. If the characteristics of the parts are divided, the gear is a structural part, and the absolute weight of the entire cast iron part is much larger than the other, powder metallurgy parts.