Five / Six Roll Rigid PVC Calender Machine Plastic Sheet Making Machine

Five / Six Roll Rigid PVC Calender Machine With High tenacity Main techniques: (1) The material of the cylinder 1#, 2#, 3# is Alloy Chilled Cast Iron, its hardness is HS68-72,cylinder 4#, 5# is forging by extra fine steel, its hardness is HRC58, the parameter of the roller is φ 410x1200,the pulsate of roller’s surface is less than 0.01mm(after finishing the adjustment of calender) (2) The cylinder 1#is canulate, 2# ,3# is used to drill round, chromium-plated on the surface of