1.Shell processing process
Outer tube picking-cutting tube-bulging-section-bulging-rolling corner-shrink bottom-cut bottom-punching rib-flat top mouth-flush bottom-flat bottom mouth-cleaning and drying-inspection knocking-qualified shell.
2.Inner shell processing process
Inner tube picking-cutting tube-flat tube-bulging-roll up angle-flat top mouth-flat bottom mouth-rolling thread-cleaning and drying-inspection knocking-butt welding-water test leak detection-drying-qualified liner.
3. Outer and inner shell assembly process
With cup mouth-weld joint-pressed midsole-weld bottom-weld joint inspection bottom-midsole spot welding getter-vacuum-temperature measurement-electrolysis-polishing-temperature measurement-inspection polishing-outsole-spray paint- Sampling temperature-inspection spray painting-silk screen-packaging-finished product storage.