Model Screw Diameter (mm) Screw L/D ratio (L/D) Screw rotation Speed (r/min)(r/min) Main power (kw) Production Capacity (kg/h)(kg/h) XQ SJ-58 57 22-48 300 37-45 100-250 XQ SJ-68 65 22-48 400 55-75 150-450 XQ SJ-75 72 22-48 400 90-110 220-800 XQ SJ-95 92 22-48 400 160-240 600-1000 The screws are able to arrange according to the different plastic material, has the advantages of interchangeability, strong adaptability, good mixing, plasticization and exhaust. The material of the screw can be 38CrMoALA, under nitridation treatment; or made of alloy bushing which is anti-wear. The heating of barrel is by cast aluminum, cooled by water. The motor can be DC motor, equipped with silicon controlled speed regulator or British Eurotherm 590 speed regulator; or AC motor frequency speed regulator. The temperature controller is Japan RKC brand or China famous brand.