Screw and Cylinder for Cup Production

Specification: Screw diameter: 15mm-300mm Maximal length: 8000mm Barrel inner diameter: 15-300mm Maximal length: 4000mm Different bimetallic alloys are available for different raw materials. Base Materials: (1)38CrMoAlA(JIS SACM645) (2)42CrMo(AISI 4140) (3)9Cr18MOV Bimetallic alloy materials: (1)Fe-based alloy (2)Ni-based alloy/Deloro alloy (3)Co-based alloy (4)NiCo-based alloy (5)Tungsten carbide/Wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: Less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ≥ 950HV Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Warranty and service: 1 year Focus on quality and service…

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