The numerical simulation with DEFORM-3D is used for cold upsetting-extruding process of the spiral bevel gear,and the metal flowing situation of parts during the forming process is obtained.

In this paper,the advantages of the manufacturing on the cutting copper tube joint with the cold extrusion heading technology are pointed out.

The national standard modification statement of steel for cold heading and cold extruding;

Some questions of the national standard modification statement of steel cold heading and cold extruding;

Numerical Stimulation and Analysis on Defect in the Upset-extruding Process of Hollow Products;