Nyocha mma ngwaahịa
Ụlọ ọrụ anyị na-eduzi njikwa mma n'oge usoro mmepụta ihe site na akụrụngwa na mbupu akụrụngwa iji hụ na ngwaahịa niile nwere ike ịnye ndị ahịa emebibeghị.
1. Nnyocha ihe onwunwe
2. Nyocha usoro mmepụta ngwá ọrụ
Nnwale nyocha: weld roughness 0.4-0.6um;pickling passivation roughness 0.6-0.8um.
3. Nchọpụta nrụgide
Nrụgide ahụ bụ 3Bar, debe nrụgide maka awa 24 iji hụ na enweghị mgbapụta nrụgide.