... Motor which is Postposition B. Three grinding heads, a straight frame ,auto-cutter, Strip unfold shelf and finishing products shelf. C. The ... The power of grinding head motor: 3KW; The power of cutter: 4KW; with a main control box for welding machine.F ... , H: Vertical mechanical, Q: grinding head, TH1: Straightening frame for round tube , TH2: Straightening frame for square tube. Welding Tube Machine