OEM-Compatible Replacement Parts for Extrusion System
Nanjing Lesun Screw Co., Ltd.
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Hardness Testing

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Videos
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  • Company Profile
Product Videos
  • Single-Flighted Conveying Element
  • Triple-Flighted Conveying Element
  • SK Conveying Screw Element
  • SKN Conveying Screw Elements
  • LS Elongational Mixing Element
  • SME Mixing Element
  • TME Mixing Element
  • ZME Mixing Element
  • CKE Mixing Element
  • Clamp-Style Quick-Release Barrel
  • High-torque Cold-Formed Screw Shaft
Other Videos
  • Laboratory
  • End Face Grinding
  • Thread Grinding
  • External Cylindrical Grinding
  • Internal Spline Broaching
  • Screw Shaft Machining
  • Cold-Formed Screw Shaft Machining
  • Extruder Barrel Machining
  • Verification of Microstructure
  • Pendulum Impact Test
  • Bending Test
  • Height Measurement
  • Measurement of End-Face Perpendicularity
  • Verticality Inspection
  • Dynamic Tool Accuracy Compensation
  • Hardness Testing
  • Rockwell Hardness Testing
  • Vickers Hardness Testing
  • Dye Penetrant Inspection
  • Laser Marking of Screw Elements
  • Protective Packaging Control
  • Drawing Review
  • 3D Scanning
  • Metallography – Grinding
  • Metallography – Reagent Application
  • Technician 3D Visualization
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Custom Replacement Parts We Manufacture
    1. Custom Screw Elements
      Custom Screw Elements
      Outside Diameter: Ø18mm – Ø400mm.
      Element Types: Conveying elements, kneading blocks, and TME/ZME/SME high-torque mixing elements.
      Learn More
    1. Custom Screw Shafts
      Custom Screw Shafts
      Types: Involute spline shafts, rectangular spline shafts, keyway shafts.
      Manufacturing Tech: High-torque cold-rolling process for continuous metal grain alignment.
      Learn More
    1. Custom Extruder Barrels
      Custom Extruder Barrels
      Barrel Types: Feed barrels, closed barrels, vent barrels, side-feeding barrels.
      Liner Options: Bimetallic cast liners, HIP (Hot Isostatic Pressing) liners, Hastelloy liners.
      Learn More
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  • Custom Screw Elements
  • Custom Screw Shafts
  • Custom Extruder Barrels
About LESUN
  • Company Profile
  • Manufacturing Capabilities
  • Quality Control and Inspection
  • Services
  • Material and Metallurgy Solutions
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