Precision die forging is an advanced forging method to improve the accuracy of forgings and reduce the surface roughness. The advantage of this method is that the machining allowance and dimensional tolerances of the forgings are reduced, and the size of the forgings can be as close to or equal to the size of the parts as possible, that is to say, precision forging，it can partially or completely replace the machining of the parts to save machining time and Raw materials, reduce costs, and improve labor productivity.

Typical applications of precision forging are turbine blades, straight bevel gears, toothed parts, etc. When using precision die forging to manufacture bevel gears, the tooth profile is directly forged, and the tooth profile can be used with only a small amount of grinding. Because the fiber direction is reasonable, the service life is greatly improved. The surface roughness value of precision die forgings is smaller than that of general die forging, generally reaching Ra3.2 ~ Ra0.8.

like：

About the principle of precision casting and what are the advantages

The difference between precision casting and ordinary casting

​About the development trend of precision forging die technology