... steel outer cover .7 fans for cooling4.1.6.way of main motor convey:direct joint drive4.1 ... :three layers , cooling tunnel is cross convection way ,the flange of roller is removable for clean ... drawing rubber roller Φ180×900mm .encapsulated and polishing4.6.2. Drawing motor power 3KW,hard teeth bevel ... switch , and moving switch using Schneider.4.8.6.the air switch, current meter, voltage meter, mutual ...