... feed direction, if the transmission is on the right, it is the right-hand machine and vice versa3Nominal breadth1200,1400,1600,1800, ... speed2-10m/min5Driving modeAdopt the worm speed reducer to drive each roller directly6Mode of speed regulationStepless speed regulating with ... with screw mandrel. Adopt the worm speed reducer to drive with fast adjusting as well as the manual vernier regulation ...