Cold feed rubber extruder machine is with adjustablespeed. 1.Screw diameter90mm 2.Screw diameter ratio 1:14 3.Max screw rotary rate 65RPM 4.Discharge linear velocity ≤30m/min 5. Max output 300kg/h 6.Height of center screw 1040-1050mm 7.Frequency of conversion engine55kw 8.Variable-frequency motor home brands 9.Transducer YASKAWA 10.head unit,body,screw,three parts temperature control system. 11.Use hard gear face reducer. 12.There has adjustable base at the botom ofmachine, it can adjust height, no fixed one. Note:Volume of machine canister must match with fuel capacity ofmold temperaturemachine.