Client testing stud welding machine
June 12,2024
Material deformation pits, damage by external forces, visible depressions after powder coating  | ![]()  | 
Visible traces after powder coating  | ![]()  | 
Defective notches generated by laser cutting  | ![]()  | 
Squeeze marks generated by bending mold  | ![]()  | 
Visible traces of rivet nuts after finish  | ![]()  | 
Poor flatness of the board, poor straightness of the profile, and overall deformation caused by material defects or processing  | ![]()  | 
Local deformation caused by impact during transportation  | ![]()  | 
The marks formed by uneven polishing of the weld seams  | ![]()  | 
not flat splicing seams with obvious gaps or cracks at the splicing welds  | ![]()  | 
slot holes Increased according to actual needs when designing bending processes  | ![]()  | 
Plastic powder block or impurities that protrude from the surface or clump in the coating  | ![]()  | 
Multiple shrinkage pores with visible depth are generated in the coating  | ![]()  | 
A big block wrinkled surface resembling orange peel on the coating  | ![]()  | 
Much bubble protrusions appear on the surface due to poor spraying operation  | ![]()  | 
coating peeling off due to poor spraying operation or collision  | ![]()  | 
The partly powder layer is too thin, resulting in a uneven color block after finish and the visible surface of the substrate, usually in the corner or back side  | ![]()  | 
The marks left by the hook shielding during powder coating  | ![]()  | 
Due to excessive and uneven local spraying, there is a concentrated accumulation block after finish  | ![]()  | 
Due to excessive local spraying, thick and concentrated coating blocks are produced in the corners  | ![]()  | 
Due to incomplete cleaning of the production line, there are color spot defects that do not match the color of the product  | ![]()  | 
Traces left on the surface of the product due to incomplete cleaning of oil stains  | ![]()  | 
The difference color than sample or the color card  | ![]()  | 
not smooth surface between the junction of two different colors  | ![]()  | 
Pattern blurring, ghosting, breakage, tilting, deviation, poor adhesion, after screen printing  | ![]()  | 
Welding slag splashed onto the surface of the plate but not removed  | ![]()  |