... , boiler, ship building, electric power and chemical industry and mechanical and so on. Before welding, the plate ... , it is after forging and planning and aligning, and then precise treatment, quenching and precise milling, then fixed ... min~1 m/min, and just press the button during working. Quick return motor, which is ... minl Forward motor power1.5 kwl Quick forward and return speed of milling: V=1.2 m ...