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Rubber Screw and Cylinder for Extruder Machine Screw Barrel1
Universal Hardware PartsScrew for Rubber MachineRubber Machine
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
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Product Description Rubber screw and barrel for Extruder Machine Screw Barrel/screw barrel for rubber machineSpecification:Diameter of pin screw and barrel: Φ 75mm-Φ 200mmDiameter of cold feed or hot feed screw and barrel: Φ 30mm-Φ 300 mmL/D ratio: 12-18Technical InformationBase Materials:1). 38CrMoAlA(JIS SACM645).2). 42CrMo(AISI 4140).3). 4Cr5MoSi V1 (JIS SKD-61).4). 9Cr18MOV5). HPTBimetallic alloy materials:1). Fe-based alloy2). Ni-based alloy/Deloro alloy3). Co-based alloy4). NiCo-based alloy5). Tungsten carbide/Wolfram carbideTechnics:Heat treatmentHigh-frequency quenchingNitriding treatmentHard-chrome electroplatingBimetallic alloy weldingBimetallic alloy centrifugal castingTechnical parameter:Nitrided layer depth: 0.5-0.8mmNitrided hardness: 900-1000HVNitrided brittleness: Less than grade 1Surface roughness: Ra0.4Linearity of screw: 0.015mmHard-chrome plating hardness after nitriding: >=950HVChrome-plating layer depth: 0.025-0.085mmBimetallic layer depth: 3mmWarranty and service: 1 yearOur advantages:1). Excellent raw materials2). Good customer service3). Rapid delivery4). Reasonable price5). Production quicklyExperienced manufacture, we will be the best choice.
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