It is mainly used for crushing waste rubber, raw rubber crushing and waste steel wire radial tire crushing.The roller adopts vanadium and titanium alloy cold hard cast iron, the surface is hard and wear-resistant, the rear roller is a groove roll, the inner cavity processing, so that the roll surface temperature is uniform.The machine is equipped with overload protection device, protect the main parts from damage due to overload, equipped with emergency braking, when an emergency occurs, pull the pull rod, the machine will brake immediately, safe and reliable.The transmission system adopts NGW hard tooth surface planetary reducer or human type gear reducer, compact structure, low noise and high efficiency.The machine adopts an integral base or a split base for easy installation.