Conical Twin Screw Barrel

Screw Diameter: 35mm-200mm Length: Less than 10000mm Barrel diameter: 35mm-200mm Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; High quality alloy steel Technology for TIN coated screw barrel/: Nitriding treatment, alloy coating spraying, Heat-treatment, quenching Appliance for TIN coated screw barrel/: PA, EVOH, EAA, PC etc PRODUCTION INFORMATION Heat Treatment of Screw Nitriding 96 Hour Hardness of Nitration Layer HRC 56-58 Hardness of Bimetallic Layer HRC 62-64 Nitrated Layer of Screw 0.5-0.8mm Bimetallic Layer Thickness 2-4 mm Surface Roughness Ra 0.4um Fragility of Nitration Less Than Grade 1 Means of Transport by Sea or by Air Delivery Date of goods 25-30 Days Package of screw barrel Ply Wood Case AVAILABLE SOLUTION OF SCREW BARREL ITEMS GRADE HARDNESS AND LIFE TIME PROCESS DETAILS ZERO SOLUTION (HRC 58-62, 12-18 months) 42CrMo/38CrMoALA + thermo refining +Hvof spraying+ nitriding 96 hours+fine polishing JUPITER SOLUTION (HRC 58-62, 12-18 months) 42CrMo/38CrMoALA + thermo refining +Hvof spraying+ nitriding 96 hours+fine polishing ULTRON SOLUTION (HRC 62-64, 24 months) SKD61+queching+ harden inside process +nitriding 96 hours+fine polishing DIMENSION RANGE OF SCREW BARREL (TWIN CONICAL SCREW BARREL) Model SJSZ-51 SJSZ-55 SJSZ-65 SJSZ-80 SSJZ-92 Screw Dia. (mm) 51/105 55/110 65/132 80/156 92/188 Max. Speed (rpm) 40 38 38 37 36 Main Motor(KW) 18.5 22 37 55 90 Output (KG/h) 80-100 100-150 150-250 250-280 380-700 DIMENSION RANGE OF SCREW BARREL(SINGLE, OR TWIN PARALLEL SCREW BARREL) ITEMS DIAMETER TOTAL LENGTH L/D RATIO screw 15-300 mm   300-6000 mm 15-50 barrel 60-600 mm 300-6000 mm PACKAGE AND DELIVERY 1.Inner Packing is the PE film bag  2.Out packing is Paper carton or wooden box packing  3.Depend on the customer's requirements. Delivery Detail:  20-25 working days.