... temperature:+/- 5°CDelivery speed; 5-16m/min, with inverters to adjust speed.Rotary speed of roller; front; 600r/min rear; ... six grooves, with strong penetration and higher polishing efficiency, to improve 30% efficiency, and be more suitable for high ... belt pressure more intuitive, and easy to operate. Adopts Japanese precise digital temperature controller to control more accuracy, within +/- 2degrees. ...