Defect: Poor polish on internal side Zinc alloy
Cause: only mass roller polish, but no independent concave polish.
Solution: proceed a concave polish after mass rolling polish
Typical: * * * * *
Rework difficulty: * * *
Rework collateral risk: * *
Defect: Poor polish on internal side Zinc alloy
Cause: only mass roller polish, but no independent concave polish.
Solution: proceed a concave polish after mass rolling polish
Typical: * * * * *
Rework difficulty: * * *
Rework collateral risk: * *