The difference between plastic granulator and single shaft shredder: 1. Single shaft shredders have reduction gear, but plastic granulators do not. 2; Single-shaft shredders have a pusher box, whereas plastic shredders do not. 3; Single-shaft shredders have diamond-shaped blades, whereas plastic crushers have sharp, flat blades. 4; Single-shaft shredders shear materials using low-speed, high-torque knife rollers, whereas plastic crushers cut materials using high-speed knife roller operation. The difference between plastic granulator and two shaft shredder: 1. The shaft shredder has two motors, two reducers, and two knife rolls, whereas the plastic crusher has only one motor, no reducer, and one knife roll. 2; The plastic crusher has a screen to ensure that the size of the material crushed by the plastic crusher is not greater than the aperture of the screen, whereas the twin-shaft shredder does not have a screen and cannot guarantee the size of the material shr...