... , no wrinkle coating, energy-saving. 1. This machine is widely used for furniture, floor, MDF, door, artwork board ... by worm reducer. The distance between smooth roller and PU roller can be adjusted by worm shaft.6. ... There are 5 frequency inverters or PLC can be used ... .75kw3.75kw1800mm*2450mm*1300mm1200kg HIGH PRECISION DOUBLE ROLLER COATING MACHINE