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Zhoushan Jinfeng Plastic Machinery Co., Ltd. > Screw Series > Rubber Machine Screw > Jinfeng Screw Supply Rubber Extruder Screw

Supply rubber extruder screw

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  • Supply rubber extruder screw

  • Supply rubber extruder screw

  • Supply rubber extruder screw

  • Supply rubber extruder screw

Favorite Report
price Negotiable
  • 金丰螺杆 Model Jinfeng Screw
  • Brand
  • 生产商 Manufacturer nature
  • 舟山市 Zhoushan City

Updated: 2019-11-08 10:25:31 Views: 2146

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Product introduction

Supply of rubber extruder screw: Zhoushan Jinfeng Plastic Machinery Co., Ltd. is located in the hometown of China's screw, the country's largest production base of screw and barrel, the beautiful scenery of Shantan Industrial Zone, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province. Is a domestic professional production of XPS foam plate screw extruder, injection molding machine precision sol barrel, parallel screw, conical screw, building block screw, barrel and accessories manufacturers.

Detailed introduction

Supply of rubber extruder screw features :
The screw is operated under high temperature, certain corrosion, strong wear and high torque. Therefore, the screw must:
1) High temperature resistance, no deformation under high temperature;
2) Wear resistance and long life;
3) Corrosion resistance, the material is corrosive;
4) High strength, can withstand large torque and high speed;
5) Has good cutting performance;
6) After the heat treatment, the residual stress is small and the thermal deformation is small.
Supply rubber screw extruder repair method as follows:
1. The twisted screw should be considered according to the actual inner diameter of the barrel, and the outer diameter deviation of the new screw should be manufactured according to the normal clearance with the barrel.
2. After the thread surface of the reduced screw diameter is treated, the wear-resistant alloy is thermally sprayed, and then ground to size. This method is generally processed and repaired by a professional spraying factory, and the cost is relatively low.
3. Surfacing welding of wear-resistant alloy on the threaded part of the worn screw. According to the degree of screw wear, surfacing is 1 ~ 2mm thick, and then the screw is ground to size. This wear-resistant alloy is composed of C, Cr, Vi, Co, W, and B materials, which increases the ability of the screw to resist wear and corrosion. Professional surfacing plants have a high cost for this kind of processing, except for screws with special requirements, they are rarely used.
4. The surface of the repair screw can also be plated with hard chrome. Chromium is also a wear-resistant and corrosion-resistant metal, but the hard chrome layer is more likely to fall off.
Note: The mechanical processing and heat treatment process of the screw of the rubber extruder is more complicated, and it is difficult to ensure the accuracy. Whether to repair or replace the screw wear requires comprehensive analysis from an economic perspective. It depends on the ratio of the repair cost to the screw time after the repair and the renewal cost and the renewed screw time. It is economical to adopt a small ratio solution, which is the right choice. The rubber extruder screw can recover to the normal size of the original product within the normal range of wear.


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