Parallel Twin Screw and Barrel for Foam Sheets
Parallel twin screw and barrel We can according to the customer's demand to make the parallel twin screw and barrel. Diameter: Φ 75/2, Φ 90/2, Φ 110/2, Φ 120/2, Φ 130/2 L/D=18-36 The compressor ratio of the screw can be properly designed according to the different formula. TECHNICAL SPECIFICATION Material: 38CrMOALA Tempering hardness: HB240~280 Nirtrized hardness: HV850~1000 Nirtrized thickness: 0.45~0.7mm Surface roughness≤ Ra0.4 Liner strightness: 0.015mm Surface hardness afrer Chrome coating ≥ 900HV Chrome coating layer thickness 0.050.10mm Bi-metallic layer hardness: HRC56~65 Bi-metallic layer thickness: 0.8~2.0mm
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Parallel Twin Screw and Barrel for Foam Sheets 002
