... cold welding machine/ cast iron welding device / mold welding device/steel cold welding device Main parameters: 1.Model:SZ-082. ... burring, flash, bump, scuffing, edge chipping, pinhole porosity, crackle, abrasion, wear and tear, miscalculation in manufacture, defect in manufacture, welding ... after grinding effect:Repair examples: cast iron welding device / mold welding device / steel cold welding ...