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Phosphating Of Pin Shaft Before Drawing
- Nov 30, 2018 -

Phosphating of pin shaft before drawing

Equipment: phosphating tank

Phosphating purpose: to form a phosphate film on the metal surface, so as to reduce the abrasion of the working die in the process of wire drawing and cold upsetting or forming, and to lubricate the die.At the same time, it also has a certain anti-rust effect