1. Cutting is the forging process of cutting blank or cutting material head.

2. Torsion is a forging process that makes one part of the butt welding flange rotate at a certain Angle relative to another part.

3. Bending is a forging process that makes the blank bend into a certain Angle or appearance.

4. Upsetting is the operation process of forging butt welding flange along the axial direction, reducing its height and increasing its cross section.This process is often used for forging gear billets and other disc forgings.

5. Drawing is a forging process that increases the length of butt welding flange and reduces the section. It is usually used to manufacture shafts, such as lathe spindles.