The following table is data analysis, which will cause a problem. If the customer is pressing a plurality of self-Clinching Nuts, then the first punching. The high nuts will be attached to the board first, and the low ones will not be pressed. If you show a little tooth on the outside, then the customer will punch it again, basically, all of it can be pressed in, but when the second is down, the high nuts will be deformed, resulting in thread deformation, or plate bulging, unqualified.
From a technical point of view, there are many factors that cause the product T value to be unstable:
1: the verticality of the mold
2: the stability of the feeding system of the equipment
3: the stability of the equipment cutting system
4: the diameter stability of the raw material
5: Verticality of the device itself Problem
6: Verticality of the mold parts
7: Personnel problems, etc.