1. Product introduction
Material selection of alloy steel: 38CRMOALA, quenching and tempering, qualitative, nitriding, grinding and other processes, with high wear resistance, corrosion resistance, etc.
2. Product Specifications
Φ65/2 Φ80/2 Φ90/2 Φ105/2 Φ125/2 Φ130/2 Φ150/2 Φ180/2 Φ200/2
Aspect ratio: L / D = 18 ~ 25
Screw compression ratio according to different raw materials and different products for design
3. technical indicators
Nitride layer depth: 0.5-0.8mm
Nitriding hardness: 950-1020Hv
Nitriding brittleness ≤ two
Surface roughness: Ra0.4um
Screw straightness: 0.015mm
Double alloy hardness: HRC55-62
Double alloy depth> 2mm
4. Screw Type
Ordinary type, double variant, hybrid, super-cone, granulation and so on.
5. The scope of application
The anisotropic parallel twin-screw can be processed to PVC pipe, profiled material, board (sheet), modified and hard and soft PVC granulation.
Zhoushan First Plasticmachinery Co,.Ltd is a famous China Flat twin screw barrel Manufacturers and Flat twin screw barrel suppliers,The Company covers an area of more than 40,000 square meters and owns advanced process lines introduced from Germany, Japan and other countries, which provides the clients with excellent products and service,First machinery has concentrated on technical innovation for years and our Flat twin screw barrel passed the ISO9001:2000 Quality System Certification
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