Characteristics Calibrating roller and pad may be selected for rough and fine sanding, high accuracy. The pad has a machined surface thereby assuring complete flatness. The platen is covered with a pad which is protected by a graphite coated canvas and felt. The platen is easily removed. Besides, the graphite coated and canvas and the felt can be easily replaced. Introducing foreign photoelectron elements control swing of belt. Working width 40-600mm Working thickness 3-125mm No:1 abrasive belt speed 18m/s No:2 abrasive belt speed 18m/s Feed speed 4-16m/min Size of abrasive belt(W譖) 630?525mm Total motor power 18.37kw Working air pressure 0.55MPa Volume of sucked air 4500m3/h Speed of sucked air 25-30m/s Overall dimension(L譝譎) 1730?240?45mm Net weight 1600kg