1. Product introduction
Material selection of alloy steel: 38CRMOALA, quenching and tempering, qualitative, nitriding, grinding and other processes, with the advantages of high wear resistance, corrosion resistance and so on.
2. Materials
made of high quality alloy steel
3. technical indicators
Surface hardness: HV ≥ 290
Nitriding hardness: HV850-1000
Nitriding depth: 0.45-0.7mm
Nitriding brittleness: ≤ a level
Screw straightness: 0.015mm
After nitriding the surface chrome hardness: ≥ 900HV
Chromium thickness: 0.05-0.1mm
Dual alloy hardness: 60-70 HRC
Alloy depth: 0.8-2.0mm
Cylinder diameter: 40mm-400mm
Aspect ratio L / D: 10-46
4. The scope of application
Suitable for PP, PE, PVC, ABS, PBT, PET, PC, PA, PPS, acrylic, bakelite and other plastic injection molding.
Zhoushan First Plasticmachinery Co,.Ltd is a famous China Injection molding machine screw barrel Manufacturers and Injection molding machine 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 Injection molding machine screw barrel passed the ISO9001:2000 Quality System Certification
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