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Inside Our Workshop: High-Precision Twin Screw Extruder Barrel Manufacturing Process Revealed

Barrels
August 11, 2025
Category Connection: Twin Screw Extruder Parts
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Tags:
#twin screw extruder elements #extrusion machine parts #double screw extruder machine parts
Brief: This short presentation tells the story behind the design and its intended use cases. Join us for an exclusive look inside our workshop as we reveal the high-precision manufacturing process of twin screw extruder barrels. You'll see the step-by-step journey from raw material inspection and CNC rough machining to heat treatment, precision finishing, and final quality control, showcasing how we achieve tolerances of ±0.01mm and superior wear resistance for demanding B2B applications.
Related Product Features:
  • Available in customizable sizes with screw diameters ranging from 20mm to 400mm to fit various extruder models.
  • Offers multiple liner alloy options including nitrided steel, bimetallic liners, and premium powder metallurgy alloys for enhanced performance.
  • Provides high liner hardness up to HRC 58-65, with ZT615A alloy offering 2.5-3x the wear life of traditional tool steels.
  • Features superior corrosion resistance with nickel-based liner alloys that outperform 304 and 316L stainless steel.
  • Ensures precision machining with strict tolerance control, inspected via CMM, ultrasonic testing, and surface finish measurement.
  • Supports OEM and ODM customization for interface compatibility and modular combinations in universal parallel co-rotating extruders.
  • Utilizes advanced manufacturing technologies like hot-press sintering, laser cladding, and cold isostatic pressing for durable construction.
  • Includes comprehensive quality control with step-by-step inspections from raw material procurement to final packaging and shipment.
Faqs:
  • Can I replace the barrel without changing the screw?
    Yes, as long as the interface and wear zones match, our barrels are compatible with your existing screws.
  • What liner alloy is best for abrasive materials?
    ZT615A or ZT818 is highly recommended due to their excellent wear and corrosion resistance properties.
  • How long does a barrel typically last?
    With premium alloys and standard maintenance, barrel lifespan can exceed 2-3 years in high-wear environments.
  • Can you customize for my European extruder?
    Absolutely. We have rich export experience and can customize based on drawings for many EU brands, though we do not list specific names due to confidentiality agreements.
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