irstly, the blank length is calculated according to the specific parameters of the product.

Secondly, the degree of deformation and the number of upsetting are determined.

Third, determine the processing technology plan.

Fourth, according to the above three factors to determine the size of all materials.

Fifth, calculate the net weight of the parts according to the relevant parameters of the product. Parts consumption quota is calculated according to different processing methods and methods.

Sixth, sixth, according to product requirements to determine the size of the rolling thread blank diameter, different thread standards required by the rolling screw blank diameter size is not the same.