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Conical Twin Screw Barrel Cm55 Cm80 Screw Barrel Double Screws1
Universal Hardware PartsConical Twin Screw and BarrelPVC Screw and Barrel
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
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Product Description ZY is a professional twin screw and barrel manufacturer, we have good design and produce ability.All ranges of extruder twin screw and barrel are available from us.Pls send us your requirements and we will offer the most suitable solution within 12 hours.Specification:(Conical twin)35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200Technical informationBase Materials:(1)38CrMoAlA(JIS SACM645)(2)42CrMo(AISI 4140)Bimetallic alloy materials:(1)Fe-based alloy(2)Ni-based alloy/Deloro alloy(3)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: 3mmMain 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 Materials1. Ni-based alloy/Deloro alloy2. Tungsten carbide/Wolfram carbide3. NiCo-based alloy4. Fe-based alloy5. Co-based alloy Processing Technics1. Heat treatment2. Quenching3. Nitriding treatment4. Bimetallic alloy welding5. Bimetallic alloy centrifugal casting6. Hard-chrome electroplating Technical parametersNitriding layer depth0.5-0.8mmNitrided hardnessHRC56-58Nitrided brittlenessLess than grade 1Surface roughnessRa 0.4Linearity of screw0.015mmHard-chrome plating hardness≥HRC57Chrome-plating layer depth0.03-0.09mmBimetallic layer depth3 mmBimetallic layer hardnessHRC58-62Above are main technical information, a suitable screw and barrel will be made according to your requirement.
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