Zhejiang Zhoushan Conical Twin Screw Barrel for PVC Pipe Sheet Production

Conical Twin Screw Barrel for PVC WPC Pipe Sheet production Specification: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, 92/188The above are standard specifications, we can customize according to customers' requirements.The compression ratio of screws can be designed according to different products and ingredients.Base 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 yearFocus on quality and service.Experienced manufacturer, we will be the best choice.Our Company:Products Application:1)General Plastics, PVC2)Material compounds CACO3, glass fiber, recycle materials, stabilizer3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc4)Scrap and waste plastic and PVC recycling5)Modified engineering plasticsTerms and Conditions:Means of transport: Ocean,Air,ExpressProduction time: About 20-30 days after we receive the advanced paymentProduction Process:Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching -  Hard-chrome plating - O.D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping   ZY SCREW's advantage:First-class designing and researching team;High quality and durable products of screw barrel;Most professional sales who can serve for you timely;Best customer service especially after-sale service; Powerful company's strength support long-term cooperation. Welcome to contact us TypeModelHardness(HRC)Wear resistantCorrosion resistantThicknessApplicationGlass FiberPTA weldJ1 38CrMoAlANi-base alloy45-58ExcellentSpecial excellent1.5~3mmUnder 10%J2 SKD61Ni-base alloy45-58Special excellentExcellent1.5~3mmUnder 15%NitridingJ3 NitridedHV more than 800GoodGood0.25mm//* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1