Hard tooth type rubber mixing mill is used for the rubber compounding and sheeting 1. The rolls are made of chilled cast iron. The roll surface is hard and wearable. The internal cavity is processed to make temperature well proportioned on the roll surface. 2. The machine is equipped with an overload protection device to prevent the major components from being damaged due to overloading. 3. The machine is also equipped with and emergency device. When an emergent accident happens, just draw the pull rod, and the machine will stop immediately. It is safe and reliable. 4. The transmission system adopts a hard facing gear reducer, which has a compacted structure with higher transmission efficiency, lower noise and longer service life. 5. The base frame is a whole framework, which is convenient for installation. The main technical parameter Model X(S)K-400 X(S)K-450 Rolls diameter(mm) 400 450 Working length of rolls(mm) 1000 1200 Linear speed of front roll(m/min) 20 23.2 Speed ratio of front & rear roll 01:01.3 01:01.3 Max. roll gap(mm) 15 15 Feeding capacity per batch(kg) 20-35 25-50 Driving motor power(kw) 45 55 Overall dimension(mm) L 2850 3300 W 1850 1800 H 2000 2000 Weight(ton) 7.2 11