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China, Chinese Rubber Barrel Rubber Screw Barrel Extrusion Screw Barrel1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Rubber MachineryRubber Machine PartsRubber Screw BarrelScrew Barrel
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
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Product Description Rubber barrel rubber screw barrel extrusion screw barrel, Barrel for Rubber Machinery,extruder screw barrelSpecification: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. Main Base materials 1.38CrMoAlA (Nitriding Steel) 2. SKD-61 (Special Tool Steel) 3. 42CrMo (Ultrahigh Strength Steel) 4. DC53 ( Cold Work Die Steel) 5. W6Mo5Cr4V2 ( High-Speed Tool Steel ) 6. HPT Main Alloy Materials 1. Ni-based alloy/Deloro alloy 2. Tungsten carbide/Wolfram carbide 3. NiCo-based alloy 4. Fe-based alloy 5. Co-based alloy Processing Technics 1. Heat treatment 2. Quenching 3. Nitriding treatment 4. Bimetallic alloy welding 5. Bimetallic alloy centrifugal casting 6. Hard-chrome electroplating Technical parameters Nitriding layer depth 0.5-0.8mm Nitrided hardness HRC56-58 Nitrided brittleness Less than grade 1 Surface roughness Ra 0.4 Linearity of screw 0.015mm Hard-chrome plating hardness ≥HRC57 Chrome-plating layer depth 0.03-0.09mm Bimetallic layer depth 3 mm Bimetallic layer hardness HRC58-62 Above are main technical information, a suitable screw and barrel will be made according to your requirement.
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