Zhejiang Jintang Screw Factory

Description :

　　The main products include precision screw barrels (nitriding screw barrels, double alloy screw barrels, stainless steel screw barrels, fully hardened screws, high-speed tool steel screw barrels): injection molding machine screw barrels, extruder screw barrels, blow molding machine screw barrels, chemical fiber machine screw barrels, single screw barrels, parallel twin-screw gun barrels, conical twin-screw barrels, screw barrel accessories; The product uses high-quality 38CrMoALA; High quality SACM645; High quality SKD11; High quality SKD61; High quality materials such as 9Cr18MoV are tempered and formed. The surface can be treated with processes such as nitriding, hard electroplating, and spray welding of hard alloys. The product has the advantages of high wear resistance, corrosion resistance, and long service life.

　　The screws produced by our factory are widely applicable to various rubber and plastic principles, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PVR, PR, UP, PEC, PF, VF, MP, PMMA, PET, PBT, PPS, MPPO, PI, LCP Wait.

　　Technical parameters:

　　Tempered hardness: HB260-290

　　Nitriding hardness: HV950-1050

　　Depth of nitride layer: 0.4-0.7mm

　　Nitriding brittleness: ≤,,

　　Surface roughness: Ra0.4

　　Screw straightness: 0.015mm

　　Hardness of surface chrome plating after nitriding: ≥ 900HV

　　Chrome plating thickness: 0.05-0.10mm

　　Dual alloy hardness: HRC56-65

　　Dual alloy depth: 0.8-2.0mm

　　2、 Materials and processes

　　High quality 38CrMoAIA, SKD61; SKD11; 40Cr; 42CrMo, 304 stainless steel and other materials, high-quality duplex stainless steel, high-quality powder metallurgy materials

　　Cold and hot spray hard metal processes, nitriding processes, corrosion-resistant and wear-resistant bimetallic spraying processes.

　　Process flow of screw barrel production:

　　3、 Product type:

　　1. Parallel twin-screw, double hole barrel series

　　2. Conical twin-screw, double hole barrel series

　　SJS 51, SJS 55, SJS 65, SJS 80, SJS 92,

　　Screw diameter/number of screws

　　51/105-2, 55/110-2, 65/132-2, 80/156-2, 92/188-2

　　Screw rotation: opposite direction outward

　　Screw speed: 1-40, 2-32, 1-36, 1-32, 1-32, 1-32, 1-32

　　Effective length of screw: 810mm, 10701200144118002500mm

　　3. Extruder single screw, barrel series

　　Specification: Diameter 15mm - Diameter 360mm

　　Aspect ratio; L/D=15-45

　　5. Pin screw, barrel

　　Specifications; Diameter 75mm - Diameter 200mm

　　6. Cold and hot feeding screw, barrel

　　Specification: Diameter 30mm - Diameter 250mm

　　1. Material: 38CrMoALA quenched and tempered, nitrided treatment;

　　2. Surface hardness: HRC55 ° -58 °;

　　3. Depth of nitride layer: 0.5-0.8mm

　　Scope of application: Ordinary plastics, PP, PC, PE, ABS, AS, PS, PVC, PMMA, etc.

　　Zhoushan Jinwei (Golden Conch) Screw Manufacturing Co., Ltd. and Zhoushan Jinhai Screw Co., Ltd. are located at 219 Hongsheng Avenue, Zone B, Zhoushan Economic Development Zone. The company covers an area of 80000 square meters and is a professional manufacturer of screws and barrels. Jinhai Screw Products was founded in Through more than 30 years of practical innovation and the unremitting efforts of two generations, our products are distributed throughout the country, and our quality and service have received widespread praise from both internal and external manufacturers. Our company meets the needs of both internal and external customers with a new business philosophy and technological equipment. The company mainly produces various injection molding machine screws, barrels (nitriding, bimetallic spraying), various chemical fiber extruder screws, barrels, various plastic single screw extruder screws, barrels, various conical twin-screw, barrels, various parallel twin-screw, barrels. Over the years, our company has adhered to a customer-oriented service attitude, continuously pursued product perfection, continuously innovated, gradually reduced management costs, and taken the path of a professional and service-oriented enterprise. With the Jinwei and JinHailuo logos, we aim to create excellent products,

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