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Screw Basket for Centrifuge

Centrifugal Casting

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Screw Basket for Centrifuge

The basket or bowl is a core component of a pusher centrifuge. The quality of the basket is essential for smooth operation of a centrifuge. The baskets are mainly produced with duplex stainless steel or Austenitic stainless steel by centrifugal casting. It is perfect for corrosion, heat and wear resistant applications.

Duplex stainless steel SAF2034(DIN 1.4362), SAF2205 (DIN1.4470) or super duplex stainless steel SAF2507 (DIN 1.4469), Austenitic stainless steel AISI304(1.4308), AISI316(1.4408), 904L(1.4539) are often chosen to produce the bowls and drums for the centrifuges with excellent corrosion and wear resistant properties. Centrifugal casting further improves the strength and toughness of the components with uniform grain structure.

    Product Specification

    Product Name

    Centrifuge Screw Basket

    Casting Method

    Centrifugal casting

    Material Options

    304, 304L, 316, 316L, SAF2304, SAF 2205, SAF2507

    Material Standard

    GB, ASTM, AISI, EN, DIN, BS, JIS, NF, AS, AAR,

    Casting Weight

    100-15000 kg

    Casting Size

    Max Diameter: 1600 mm, Max Length: 4200 mm

    Casting Dimension Tolerance

    CT9 - CT12

    Casting Surface Roughness

    Ra 12.5∽Ra50 um

    Machining Surface Roughness

    Ra0.8 ~ 6.3um

    Heat treatment

    Annealing, normalizing, quenching or tempering

    Finish

    As cast, rough machined, finish machined.

    Service Available

    OEM & ODM

    Certification

    CE, ISO9001:2015, ISO19600:2014, ISO14001:2015, ISO45001:2018,

    Application

    Decanter centrifuge, pusher centrifuge, disc separator, separation machine etc.

    Advantages Of Centrifugal Cast Stainless Steel Parts

    Uniform Grain Structure:Centrifugal casting produces a uniform grain structure in the stainless steel, which results in improved mechanical properties and enhanced performances for the stainless steel parts.

    High Density:The centrifugal force helps eliminate air bubbles and impurities in the molten metal, resulting in a high-density, defect-free product.

    Improved Strength:Stainless steel parts produced through centrifugal casting tend to have improved tensile strength and wear resistance compared to other casting methods.

    Wall Thickness Control:The rotation speed and the duration of the casting process can be adjusted to control the wall thickness of the stainless steel parts, allowing for precise customization.

    Material Versatility:Various types of stainless steel could be chosen in centrifugal casting to meet specific requirements for corrosion resistance, heat resistance, and other properties.

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    About The Company

    Sichuan Weizhen Hi- tech Materials Co., Ltd. was established in January 2010 with a registered capital of 50 million yuan. It is a wholly-owned subsidiary of Guangdong Fenghua Zhuoli Technology Co., Ltd., a new third board enterprise specialized in the production of cutting-edge 3D printing equipment. Weizhen Hi-tech focuses on the research and production of stainless steel, nickel based alloy products with centrifugal casting, sand casting and 3D printing technology. 

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    With over 40 sets of advanced equipment, including 3D printing, smelting and casting, heat treatment, machining and testing equipment, Weizhen has established an efficient and flexible production line with strong research and development capabilities and production scale, ensuring that product quality and delivery time are fully guaranteed.

    As the earliest supplier in China to use centrifugal casting to produce separation mechanical components, Weizhen has also taken the lead in combining 3D printing technology with stainless steel sand casting to manufacture high-end complex components. We have developed and produced various high complexity coefficient, multi variety, and small batch casting products such as stainless steel and corrosion-resistant alloys. The company led the drafting of JB/T 11874-2014 standard and passed GJB9001C weapon equipment quality management system certification.

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    Weizhen Hi-tech is committed to becoming a leading global supplier of high-tech materials, continuously improving its research and development production and delivery capabilities to meet the needs of domestic and foreign defense, environmental protection, petrochemical, food machinery, pharmaceutical, pulp & paper equipment etc.

    Main Production Process

    Weizhen Hi-tech has full in-house production facilities for the whole production process for centrifugal casting manufacturing, from process designing, casting simulation, steel smelting, to steel AOD refining and pouring, heat treatment, machining, testing and inspection.

    Smelting and AOD Refining.

    Weizhen is uniquely equipped with AOD furnace for the refining of molten metal after smelting. The molten metal after refining is much more pure with super low carbon, phosphorus, and sulfur content, providing uniform and perfect mechanical and chemical properties.

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    Pouring & Casting

    The molten metal is poured into a cylindrical mold that rotates at a high speed. The centrifugal force generated by the rotation forces the molten metal to spread evenly along the inner surface of the mold, creating a hollow, cylindrical shape as it solidifies. Centrifugal force causes impurities and lighter oxides to migrate to the inside diameter of the casting which, upon solidification, are easily removed by CNC machining and processing.

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    Heat Treatment

    Heat treatment is critical to the properties and quality of steel castings. Weizhen is equipped with advanced 1200 °C well type heat furnaces and car type furnaces for the heat treatment. Weizhen can do annealing, normalizing, quenching or tempering heat treatment process inside the factory.

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    Machining

    The centrifugal casting blanks need to be further machined & processed to exact specifications. Weizhen is fully equipped with state-of-the-art machining equipment, from cutting machine, shot blasting machine, to horizontal lathe, CNC horizontal lathe, CNC vertical lathe, CNC Gantry milling machine, Radial drilling machine, Digital display boring and milling machine. The products could be delivered as cast, rough machined or finish machined.

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    Inspection & Testing

    Casting parts need to be tested and inspected before delivering to customer. Weizhen conducts strict checking and testing through out the whole production process to ensure best product quality and customer satisfaction.

    The tests and inspections Weizhen provides include, but not limited to, chemical analysis, physical properties, dimensions, PT, RT, three coordinates, 3D Scan.

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