Equipment Rebuilding & Refurbishing

NFM/Welding Engineers, Inc. is world-renowned for its re-engineering and refurbishing of extrusion equipment from any OEM. The professionals at NFM can custom-design equipment and machine components to refurbish and upgrade nonfunctional or outdated processing machinery, often saving you valuable time and money.

NFM offers the following machine rebuilding options:

  • Complete Machine Rebuild
  • Component Rebuild – Feedsections, Feed Door Assemblies, Barrels, Feedscrews, etc.
  • Gearbox Evaluation & Repair
  • Control Upgrades & Auxiliary Integration

Keeping your extrusion equipment in prime working condition is crucial to your productivity and profitability.

Below are just a few examples of rejuvenating well-used equipment. Use the SLIDER function to view before and after comparisons.

4.5″ Rubber Extruder Rebuild:

  • Complete disassembly & inspection
  • Rebuilt Gearbox
    • All new bearings and seals
    • Gearbox run-in test
  • New barrel assembly
    • 4140 w/ bimetallic inlay
  • Rebuilt feedsection w/ new power feed roll assembly
  • New motor coupling assembly
  • New feedscrew
    • 4140 w/ nickel+chrome flight lands
  • Paint & Reassemble
  • Electrical & cooling check-out

4.5″ Plastic Extruder Rebuild:

  • Complete disassembly & inspection
  • New barrel assembly
  • Rebuilt feedscrew
  • Rebuilt gearbox
  • New Control Cabinet & Control System
  • Paint & Reassemble
  • Electrical & cooling check-out

24″ Barrel Rebuild:

  • Sandblast exterior, water flow test & inspect
  • Remove worn bimetallic liner
  • Converted from O-Ring to Welded/Interference Fit Liner
  • Machine new end rings
  • Bore to accept new liner
  • Installed new interference-fit bimetallic liner
  • Machined for counterbores and registers
  • Water pressure tested
  • Cleaned & painted

24″ Discharge Barrel & Breech Lock:

  • Sandblast exterior, water flow test & inspect
  • Disassemble breech lock and remove worn liner
  • Grind ID and repair tapped holes
  • Installed new nickel-boron liner
  • Installed new bearing pads and shims
  • Welded end flange counterbores
  • Installed new hinge bushings
  • Machined additional o-ring grooves for improved seal
  • Machined counterbore & register
  • Recut die seat on die holder
  • Drilled all new locating dowels
  • Water pressure tested
  • Cleaned & painted

300mm Twin Screw Barrel Re-HIP

  • Originally Nitrided Bores
  • Honed Barrel Bores
  • HIP

Contact NFM today to inquire about refurbishing your extrusion equipment.  NFM will inspect your extrusion equipent and consult with you on recommended repairs and cost-effective upgrades to your process.

For more information, call us at 330-837-3868 or click here.

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NFM /  Welding Engineers, Inc. is a leading global OEM for rubber and plastics extrusion systems. NFM offers full turnkey extrusion systems featuring custom-integrated controls and the highest level of extrusion technology and performance. As the leader in extrusion system design, manufacturing, support and service, NFM is your best resource for reliable extrusion performance.

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NFM Locations

Contact Us

Thank you for your interest in NFM. Please contact us using the information below. For information regarding a specific product or application, click here.

  •  577 Oberlin Road, Massillon, OH 44647-7899
  •  1.330.837.3868


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