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HDG Slotted Head Screw introduces the related knowledge of screws

Screw refers to a screw is a tool that uses the physics and mathematics principles of the oblique circular rotation of the object and the friction force to gradually tighten the utensils. So what are the quality problems often encountered by screws and what causes the quality problems? Let's follow the editor of HDG Slotted Head Screw to have a simple understanding!
1. The screw head is deformed and the head is skewed. The possible cause is improper installation of the first punch of the screw mold and improper adjustment of the machine.

2. The head of the screw is not round. The reason is the improper selection of the screw die and the punching die or the punching is not full enough.
3. The screws have burrs or burrs. The reason is that the first punch is poorly formed, which is mainly caused by the excessive gap between the punch rod and the die hole or the punch rod is too short.
In summary, the editor of HDG Slotted Head Screw tells: a brief introduction to some relevant knowledge about screws.