Understand various forming processes of metal materials (II): Plastic forming
2、 Plastic forming Plastic forming: it i…
2、 Plastic forming Plastic forming: it i…
Material forming method is not only an i…
1. Density and relative density Density …
1、 Concept of surface roughness Surface …
The geometric characteristics of machine…
Abstract: the main valve sleeve hole of …
The vibration and vibration of the tool …