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Zhoushan Jiacheng Plastic Machinery Co., Ltd. > Rubber Screws > Durable Rubber Machine Manufacturers

Durable rubber machine manufacturers

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  • Durable rubber machine manufacturers

  • Durable rubber machine manufacturers

  • Durable rubber machine manufacturers

  • Durable rubber machine manufacturers

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price Negotiable
  • 各种橡胶机 Various rubber machines
  • Brand
  • 生产商 Manufacturer nature
  • Product information
  • 舟山市 Zhoushan City

Updated: 2019-10-18 14:01:30 Views: 954

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Product introduction

Manufacturers of durable rubber machines are a basic equipment of the rubber industry and one of the key equipments that affect product quality. They play a very important role in the production of tires and rubber products. The development of foreign rubber extruders has experienced plunger type extruder, screw type hot feeding extruder, ordinary cold feeding extruder, main and auxiliary thread cold feeding extruder, cold feeding exhaust extrusion Machine, pin cold feed extruder, compound extruder and other stages.

Detailed introduction

Brief introduction of durable rubber machine manufacturers :
The company specializes in producing various rubber screw barrels!
Products across: sealing rubber strip extrusion, rubber wire extrusion.
The material is Fushun high-quality 38CrMoAlA. Business Scope:
1. Brand screw barrels: Haitian injection molding machine screw barrels, Zhenxiong injection molding machine screw barrels, etc .;
2. Screw barrels for various extruders: Customized screw barrel sets for sheet, pipe, and profile extruders;
3. Special screw barrels for various film blowing machines and rubber machines;
4. Special screw barrels for various injection molding materials: PA nylon material, PMMA acrylic material (plexiglass), EPS foam plastic
Technical parameters of durable rubber machine manufacturers
◆ Nitride layer depth: 0.5-0.8mm
◆ Nitriding hardness: HV≥950
◆ Nitride brittleness: ≤ secondary
◆ Surface roughness: Ra ≤0.4um
◆ Straightness of screw: not more than 0.015mm
◆ The hardness of the chromium plating layer on the surface after nitriding: ≥950Hv, the screw is corrosion resistant after plating.
◆ Dual alloy hardness: HRC55-62; barrel alloy length is more than 600mm, using a unique process, the alloy layer is inlaid firmly and does not fall off.
◆ Chrome plating thickness: 0.03—0.08mm
◆ Dual alloy depth: ≥2mm
Cause of wear:
The screw rotates in the barrel, and the friction between the material and the two causes the working surface of the screw and barrel to wear gradually: the diameter of the screw gradually decreases, and the diameter of the inner hole of the barrel gradually increases. In this way, the clearance between the diameter of the screw and the barrel is gradually increased as the two gradually wear. However, because the resistance of the nose and the diverter plate in front of the barrel has not changed, this increases the leakage flow of the extruded material, that is, the amount of material flowing from the diameter gap to the feeding direction increases. As a result, the production of plastic machinery has declined. This phenomenon also increases the residence time of the material in the barrel, causing the material to decompose. In the case of polyvinyl chloride, the hydrogen chloride gas produced by the decomposition strengthens the corrosion of the screw and barrel.
The above information is provided by the enterprise itself, and the authenticity, accuracy and legality of the information content are the responsibility of the relevant enterprise. Plastic Machinery Network does not assume any responsibility for this.
Tips: In order to avoid purchasing risks, it is recommended that you confirm the supplier's qualification and product quality before purchasing the product.
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