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Top-down view of a finished shredder cutter disc with precision-ground surfaces and hardfaced cutting teeth.
Side view of a refurbished UNTHA RS series cutter disc with visible hardfacing layers before final grinding.
A person wearing a protective glove holding a metal shredder cutter disc showing new wear-resistant weld beads on the outer edge.
A wooden transport crate containing rows of refurbished and stacked four-shaft shredder cutter discs ready for shipment.
Close-up of a refurbished cutter disc showing the hexagonal mounting hole and the STUNSREC brand engraving.
  1. Top-down view of a finished shredder cutter disc with precision-ground surfaces and hardfaced cutting teeth.
  2. Side view of a refurbished UNTHA RS series cutter disc with visible hardfacing layers before final grinding.
  3. A person wearing a protective glove holding a metal shredder cutter disc showing new wear-resistant weld beads on the outer edge.
  4. A wooden transport crate containing rows of refurbished and stacked four-shaft shredder cutter discs ready for shipment.
  5. Close-up of a refurbished cutter disc showing the hexagonal mounting hole and the STUNSREC brand engraving.

UNTHA RS Cutter Unit Refurbishment

We provide technical refurbishment and regeneration services for UNTHA RS series four-shaft shredder cutter units. This service is compatible with UNTHA RS 30, 40, 50, 60, 100, and 150 models, restoring worn components to operational specifications through hardfacing and precision grinding.

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Refurbishment for UNTHA RS Shredders

Our refurbishment service for UNTHA RS cutter units is designed to extend the service life of shredding components. We support the full range of RS series machines, including the RS 30, RS 40, RS 50, RS 60, RS 100, and RS 150 models.

Refurbishment Process

  • Hardfacing: Worn edges are rebuilt using wear-resistant welding materials with a hardness of 60 HRC. This process adds a durable layer to the cutting surface to withstand abrasive materials.
  • Precision Grinding: Components are ground using industrial machinery to a tolerance of ±0.05 mm. This ensures the correct cutting clearances and material reduction efficiency required for multi-shaft systems.
  • Quality Control: Each unit undergoes a multi-point inspection to verify dimensional accuracy and surface integrity before being returned to the client.

Operational Benefits

Refurbishing existing cutter discs provides a functional alternative to purchasing new sets. The process restores the cutting geometry required for processing demanding materials while maintaining the structural integrity of the original steel core. This service can be performed multiple times on the same set of cutters, depending on the level of core wear.

Material Applications

UNTHA RS units are utilized in WEEE (Waste Electrical and Electronic Equipment) recycling and industrial waste processing, including:

  • Refrigeration units and large domestic appliances.
  • IT equipment and small domestic appliances (SDA).
  • Printed circuit boards (PCB) and toner cartridges.
  • Battery recycling and electronic components.
  • LCD and CRT display processing.

Cutter Regeneration and Refurbishment Services

Beyond supplying new knives and wear parts, we offer specialized regeneration services for your existing shredder cutters. This service is designed to restore worn cutters to optimal working condition, extending their operational life and providing a cost-effective alternative to full replacement. For detailed information on this process and its benefits, please refer to our dedicated shredder cutter refurbishment service page.

Suitable for manufacturer

UNTHA
Suitable to UNTHA Machine

RS 100, RS 150, RS 30, RS 40, RS 50, RS 60

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