Why can't I keep the distance from can to can constant
Checklist:
- Blank cutting tolerances (see related article) and in particular dimension h
- Clearance (wear) of final can body pushing system.
- Calibration crown adjustment.
- Blank cutting tolerances (see related article)and in particular dimension A on a series of sheets (3-7 sheets depending how many knifes are cutting dim. A on your slitter).
- The speed of the exit conveyor belt(s), which need(s) to be constant and in any case 2 – 5% faster than the actual welding speed.