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Company News About Breakthrough in Twin-Screw Extruder Technology: W6Mo5Cr4V2 Alloy Elements Achieve 600°C+ Heat Resistance
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Breakthrough in Twin-Screw Extruder Technology: W6Mo5Cr4V2 Alloy Elements Achieve 600°C+ Heat Resistance

2024-07-24
Latest company news about Breakthrough in Twin-Screw Extruder Technology: W6Mo5Cr4V2 Alloy Elements Achieve 600°C+ Heat Resistance

Key Innovations

  1. Material Upgrade: W6Mo5Cr4V2 high-speed steel (6% tungsten carbide) processed via vacuum gradient heat treatment achieves HRC67-69 hardness, reducing wear by 45% vs. traditional H13 steel. Endures 8,000+ hours in extreme conditions (e.g., PEEK processing).
  2. Self-Cleaning Design: Patented helical flow channel structure optimizes thread engagement angle (±0.5° precision), eliminating carbon buildup in PPS/PEI high-viscosity compounding.
  3. Laser Cladding Tech: 0.3mm titanium carbide coating on screw tips cuts metal contamination to <50ppm for glass fiber-reinforced plastics (e.g., PA66+30% GF).

Industry Applications

  • Medical: Passed ISO 10993 biocompatibility certification for PEI/PPSU sterilization-grade plastics, withstanding 500+ cycles of 134°C steam autoclaving.
  • EV Batteries: Enabled 48-hour continuous production of carbon fiber-PEEK battery trays at 600°C, reducing energy consumption by 18%.

Case Study
Jiangsu XX Modified Materials Co., Ltd. reported a 21% daily output increase (2.8→3.4 tons) in PC+30% GF processing, saving $110,000/year on spare parts.

Future Roadmap
Silicon nitride ceramic-coated screws under testing aim for 800°C applications in carbon fiber composites, with commercialization expected by 2024.

Nanjing Henglande Machinery Technology Co., Ltd.
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