Twin-Screw Elements (Ø14 mm –Ø97 mm)

  • Modular segmented design (conveying, kneading, mixing, reverse, barrier elements)
  • Optimized flight geometry for superior dispersion
  • Wear-resistant metallurgy with nitriding / hard-facing options
  • Balanced for high RPM stability
  • Designed for high filler and mineral-loaded compounds

Technical Datasheet

Parameter Specification
Diameter Range Ø14 mm – Ø97 mm
Material Wear resistance element = CR12 MOV/ D2/ D3/ M2/M34/ A11 Corossion resistance = Dufelx, Encolin, 316,700 grades Corossion & wear resistance = 1742CH , 52-58HRC
Surface Treatment Gas Nitrided (EN41B) / Tungsten Carbide Coating
Hardness 55–62 HRC (core), surface up to 900–1100 HV
L/D Compatibility 24:1 – 60:1 systems
Max RPM Up to 1200 rpm (size dependent)
Torque Compatibility High torque & coupling configurations available
Application Masterbatch, Compounding, Recycling, Engineering Plastics, Grafting

Barrel & Barrel Liners

  • Replaceable liner design reduces maintenance cost
  • Superior wear resistance for abrasive compounds
  • Precision machining for accurate screw-barrel clearance
  • Enhanced thermal control zones

Technical Datasheet

Parameter Specification
Diameter Compatibility Ø14 mm – Ø97 mm
Material Alloy & Tool Steel (Corrosion & Wear)
Inner Surface Nitrided / Bimetallic liner option
Hardness 55–65 HRC surface
Heating Compatibility HD Cartridge / Cast-in heaters / Band
Cooling Water & air channel integrated
Max Operating Temp Up to 400°C

Heavy-Duty Extruder Gearbox

  • High torque transmission design
  • Hardened & ground grind helical gears
  • Long operational life under continuous load
  • Low vibration & optimized lubrication system
  • Custom torque rating based on extrusion load
  • Coupling (Sandwich)

Technical Datasheet

Parameter Specification
Torque Range Custom-built per application
Gear Type Helical / Hardened and Ground grinding Finish
Gear Material Alloy Steel (Case Hardened & through hardened) , 20MNCR5 & EN353
Lubrication Oil bath / Forced spray system
Efficiency Max mechanical efficiency (lower specific energy target between 0.2 – 0.3)
Cooling Option Water/ Oil/ Forced-air coolers/ Plate-type heat exchangers are available

Dies & Die Heads (Strand / Profile)

  • Strand dies (MOC alloy steel), underwater pelletizer (MOC M34)
  • Die face head & cutter (MOC M2)
  • Optimized melt flow channel design
  • Uniform pressure distribution
  • Reduced melt stagnation zones
  • Custom die geometry as per product

Melt Pumps & Auto-filtration Systems

  • Stable melt pressure control
  • Improved output consistency
  • Reduced pulsation
  • Extended die life
  • Replaceable screen packs
  • Increase gear box life

Heating & Temperature Control Components

  • Fast response heating
  • Energy-efficient insulation
  • Uniform temperature control
  • Sensor type – Universal & Angle type phase controllers

Why Choose Testron Spares?

  • Manufactured in-house for precise fitment

  • High wear resistance for abrasive compounds

  • Custom-built for your exact screw configuration

  • Faster delivery & reduced downtime

  • Performance-focused metallurgy

  • Technical support & AMC availability

Let’s Talk!!!