1. Frame: welded in ordinary steel structure Base plate casting iron 2. Feeding roller, 1 set, with drive shaft head Diameter / roller body length 240*1400mm Roll material 20 # seamless steel Coating materials High-quality synthetic rubber Rubber hardness Shore 50 2 Cladding thickness 10mm Roller bearing: P209 3. Metering roller, 1 set Diameter / roll body length 190*1400mm Roll material20 # seamless steel Roll surface treatment chrome plated Roller bearing: FC209 4. Pressing roller, 1 set, aluminum body 5. Water tray, 1 set, made of stainless steel Fine tune is between feeding roller and backing roller, to control the clearance between the two rollers