1'two rollers are made from chilled cast iron, smooth surface is highly polished and scratch proof by cutting knife:high hardness and wear-resistant; 2'the roller is hollow structure, which is for adjusting the temperature of the rollers by Steam or cooling water in term of different request; 3'nip adjustment mode:manual or electric; 4'main bearings:bearing or copper bush or nylon bush; 5'the machine is equipped with an overlaod protection device to prevent the major components from being damaged due to overloading. 6'the machine is also equipped with an emergency device. When an emergent accident happens, just draw the safety pull-rod, and the machine will stop immediately. It is safe and reliable. 7'the machine is equipped with scraper and wind-up unit, which can take the reclaimed rubber away from the wind-up roller