This is composed of power-stand, 650decelerator, motor:45KW, gear distributing case, coupler, spindle, connecting- ... 9CrSi;Hardness of blade HRC58°—60°;Recoiler I.D 508mm;Power 380V three-phase electricity 50Hz;The main components & damageable component ... Slitting unitShould drive part: the power seat, 650 reducer, 55 KW motor, dc speed control for teeth distribution box, coupling, answer the shaft ...