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Customized ISO Certified High Quality Pinned 38CrMoAl Rubber Extruder Screw Barrel¹

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Product DescriptionZhejiang Guangming Plastic Machinery Co., Ltd.Guangyou Screw Established in 1992, we have evolved into a leading international manufacturer of diverse machine barrels and screws. Nestled in Xihou Industrial Zone, Jintang Town, Zhoushan, Zhejiang, our expansive facility spans over 100,000 square meters and is home to 600+ dedicated employees.Founded: 1992 in Zhoushan, Zhejiang.Global Reach: Exporting to over 80 countries across Asia, Europe, and the Americas.Facilities & Quality: Our state-of-the-art factory boasts CNC machining and computerized nitriding/quenching equipment, underpinned by ISO9001-certified quality management systems.Capabilities: Comprehensive OEM/ODM services offering personalized design and branding, alongside in-house metallurgy and testing (bimetal welding, hardness control).Typical industries & applications we servePipe & profile extrusion (PVC, PE, PP, WPC)Flooring & decking (WPC)Injection molded parts (including automotive interiors, consumer goods)Rubber extrusionCompounding & masterbatch productionProduct Lines1.Extruder Single Screw & Barrel2.Injection Molding Machine Screw & Barrel3.Rubber Extruder Screw & Barrel4.Conical Twin Screw & Barrel5.Parallel Twin Screw & Barrel 6.Bimetallic screw & barrel7.Other Plastic Machine AccessoriesProduct LineSpecificationsKey FeaturesConical Twin Screw?25/50–?185/340 mmVariable compression designsParallel Twin Screw?45/2 –?350/2 mmHigh-output configurationsSingle Screw?20– ?500mm (L/D: 15-55)Precisionmetering sectionsInjection Screws?20–?300mm (Clamping: 100-35,000 kN)Wear-resistant alloysRubber Processing?20 – ?650 mmCold-feed/pin-type variantsExtruder Single Screw & BarrelExtruder Single Screw & BarrelInjection Molding Machine Screw & BarrelExtruder barrel, screw specifications: ?20mm ~ ?330mmAspect ratio: L/D = 15~55Extruder barrel, screw specifications: ?20mm ~ ?330mmAspect ratio: L/D = 15~55Injection molding machine barrel, screw specifications:100KN ~ 35000KN clamping force30~30000g injection volumeScrew diameter: ?20mm ~ ?300mmScrew structure and compression ratio can be designed according to different products and different accessoriesInjection Molding Machine Screw & BarrelRubber Extruder Screw & BarrelRubber Extruder Screw & BarrelInjection molding machine barrel, screw specifications:100KN ~ 35000KN clamping force30~30000g injection volumeScrew diameter: ?20mm ~ ?300mmScrew structure and compression ratio can be designed according to different products and different accessoriesPin screw, barrel specifications: ?75mm ~ ?200mmCold and hot feeding screw specifications: ?65mm ~ ?650mmScrew structure and compression ratio can be designed according to different products and different accessoriesPin screw, barrel specifications: ?75mm ~ ?200mmCold and hot feeding screw specifications: ?65mm ~ ?650mmScrew structure and compression ratio can be designed according to different products and different accessoriesConical Twin Screw & BarrelConical Twin Screw & BarrelParallel Twin Screw & Barrel Conical twin screw, barrel specifications: ?25/50~?185/340Screw structure and compression ratio can be designed according to different products and different accessoriesConical twin screw, barrel specifications: ?25/50~?185/340Screw structure and compression ratio can be designed according to different products and different accessoriesParallel twin screw, barrel specifications: ?20mm ~ ?330mmScrew structure and compression ratio can be designed according to different products and different accessoriesParallel Twin Screw & Barrel Bimetallic screw & barrelBimetallic screw & barrelParallel twin screw, barrel specifications: ?20mm ~ ?330mmScrew structure and compression ratio can be designed according to different products and different accessoriesBimetal machine is to cast a layer of 2-5mm wear-resistant, corrosion-resistant and high temperature resistant alloy on the inner wall of the machineBimetal machine is to cast a layer of 2-5mm wear-resistant, corrosion-resistant and high temperature resistant alloy on the inner wall of the machineTechnical parametersHardness of tempering: HB280-320Screw straightness: 0.015mmNitriding hardness: HV850-1000Hardness of chromium plating on surface after nitriding ≥ 900HVNitriding layer depth: 0.45~0.7mmChrome coating thickness: 0.025~0.10mmNitriding brittleness: Grade IIDual alloy hardness: HRC50-65Surface roughness: ≤ Ra0.4Double alloy depth: 0.8~2.0mmPrecision Material Sciencetypes of materialsmaterials38CrMoAl(1.8509)D2AISI31634CrAlNi7(1.8550)DC53AISI42031CrMoV9 (1.8519)Gr12MoV9Cr18MoV40CrNiMo440C17PH-442CrMoAISI304Incoel 71840CrAISI316Hasteloy C-276C451.2316Incoel 625SKD111.4462Monel 400SKD611.4404Monel 5001.4122S600Machining DetailsThe company excels in precision machining with advanced CNC equipment, nitriding/quenching furnaces, and alloy welding machines. It employs German-imported material monitoring, quality inspection tools, ERP, and MES systems to guarantee high-quality products.After Sales Service- 48-Hour Technical Response: On-site support and process evaluation.- Reverse Engineering: Remanufacturing with advanced 3D scanning.- Inventory Management: Regional warehouses in EU/NA/Asia for key spares.Company ProfileZhejiang Guangming Plastics Machinery Co., Ltd.As a China National "Little Giant" and Zhejiang's "Hidden Champion", we turn each component into a production edge.Why Choose Us?Global R&D Leadership30+ Years Experience – Established in 1992, specializing in screw & barrel production.Global Recognition – Exported to over 50 countries, trusted globally.Advanced Facilities – Equipped with CNC machining, nitriding, and bimetallic welding.Wide Product Range – Extruder & injection screw/barrel for diverse plastics.OEM/ODM Service – Custom designs to meet client needs.Strict Quality Control – ISO9001 certified, comprehensive inspection prior to delivery.After-Sales Support – Prompt response, spare parts supply, lifetime service.80+ Patents: Featuring 12 invention patents for alloy compositions and wear-resistant geometries.- Material Science Lab: Innovates proprietary powder metallurgy formulas (e.g., Ni-Cr-B-Si with spherical WC carbides).- Digital Twin Simulation: Forecasts wear patterns and flow dynamics for optimal design.GUANG YOU SCREWGuangyou has been innovating, maintaining professionalism, and focusing for over 30 years.FAQ1. How about MOQ:1pcs is available.2. What is the lead time?Lead time depends on size and whether it is bimetallic or not.40-50 days for nitriding single screw and barrel(Φ20-Φ90)50-60 days for nitriding single screw and barrel(Φ90-Φ180)60-70 days for nitriding single screw and barrel(Φ180-Φ250)More than 70 days for nitriding single screw and barrel(Φ250-Φ500)45-50 days for nitriding parallel twin screw and barrel(Φ45-Φ90)50-60 days for nitriding parallel twin screw and barrel(Φ90-Φ135)More than 60 days for nitriding parallel twin screw and barrel(Φ135-Φ350)35-45 days for nitriding conical twin screw and barrel(Φ25/50-Φ80/156)50-60 days for nitriding conical twin screw and barrel(Φ92/188-Φ110/220)More than 60 days for nitriding conical twin screw and barrel(Φ115/230-Φ185/340)Bimetallic screw and bimetallic barrel need extra 5 days.3. How about life time of screw and barrel?It depends on the foumula and heat treatment,normally if 30phr for nitriding screw and barrel, life time is 3-5 years.Bimetallic screw and barrel, life time will be longer.4. How to offer enquiry?Please kindly feel free to contact me via mail or Whatsapp, better to visit our factory for further communication.5. How can we trust your quality?We cooperated with so many extruder makers and screw & barrel manufacturers located on Europe and Asia, they are satisfied with our quality.Before shipping, we can also offer you test report for material, heat treatment and tolerance test.6. If I need to improve property of current screw and barrel, is it possible?If you are not satisfied with current output, melt quality or something else. Our professional engineer can revise or redesign your screw and barrel for you.Customized demand is also available.

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