J-1-1-1 Cylindrical bucket

BODY WORKING PROCESS:

Work-piece: shaped body with overlapping edges welded with pressure rollers
Material: galvanized normal steel
Performed operation: lower edge outward flanging
Working cycle: semi-automatic

BODY LOCKSEAMING ONTO THE BOTTOM END:

Work-piece: shaped outward flanged body with overlapping edges welded with pressure rollers; deep drawn bottom plate with blank flange
Material: galvanized normal steel
Performed operation: Intermediate ribbing - pre-lockseaming - four layers lockseaming - edge curling
Working cycle: semi-automatic