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IPDB › China Industry › Manufacturing & Processing Machinery

China, Chinese Parallel Double Screw and Barrel Two Screws¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Plastic Machinery Parts Screw and Barrel Parallel Twin Screw and Barrel

Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

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Product Description Specification:Diameter: Φ 45mm-Φ 200mmL/D ratio: 16-35The compression ratio of screws can be designed according to different products and ingredientsBase 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 yearExperienced manufacturer, we will be the best choice.

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