Today, we’d like to discuss something about free forging.

When free forging, the shape of the forging is gradually forged by some basic deformation process. The basic processes of free forging are upsetting, lengthening, punching, bending and cutting.

#1 Upsetting

Upsetting is an operation process in which the raw material is forged in the axial direction to reduce its height and increase the cross-section. This procedure is commonly used for forging gear blanks and other disc-shaped forgings. The ups and downs are divided into two types: all upsetting and partial forging.

#2 Pulling length

Pulling length is a forging process that increases the length of the blank and reduces the section. It is usually used to produce shaft blanks, such as lathe spindles and connecting rods.

#3 Punching

A forging process in which a punch punches a through-hole or a through-hole without using a punch.

#4 Bending

A forging process of bending a billet into a certain angle or shape.

#5 Torsion

A forging process that rotates a portion of a blank relative to another portion at a certain angle.

#6 Cutting

The forging process of dividing the blank or cutting the material.