News

Self tapping screws: head cracking: material, or die by fallacy (a die such as playing with six corners of our pan head), and the cause of smooth oil

Minow: a flushing device and regulating improper machine side

Fair: two punching device is bad and improper adjustment

Split angle: a break or two punch is not as critical as a die

The head is not round: the choice of a die or a punch molding is not enough fullness

Die cracks: Die break or die R angle inappropriate, so that two hit the mold scratch

Burr: one punch molding is not good, it is important that the gap between the punch and the die hole is too large or the punch is too short

Double head: one punch molding is not good