coating ( zn ni alloy ) automatic line of alkaline zinc - nickel plating with passivation cr + and sealer. characteristics of zn ni plating line: -production capacity/year: m (on frames) -layer thickness : to μm ; - pasivation colour : transparent , black -composition of zn – ni alloy : - %(ni) ; -...
has expired from powder specification, surfacing method submit other answers - - : : surfacing steel tooth cone bit face, the casting wc particle size is ~ mesh, - mesh and - mesh. there are two welding methods: a.the welding method, firstly, the cast wc particles are directly adhered to the tooth surface...
answers reward question has expired we have a alodine plant for surface treatment of aluminium parts.however it is observed that some parts are having white powder patches which are highly undesirable.pl suggest the problable reasons and remedial action ,if any. submit other answers - - : : a thorough...
in size. compared with the steel roll ring, the grinding time is short, and the grinding cost is only / of the steel roll ring. the rolling product has high precision and good surface quality (it can make the wire and strip have mirror finish), the waste products are greatly reduced, and the comprehensive...