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Rotodur Betrieb

Hard metal – the «olympic» material (Part 2)


10. February 2026

Wherever tools and components are exposed to high levels of wear and tear – especially in costly industrial plants or high-end machines – hard-metal offers advantages such as:

  • reater hardness,
  • longer tool-life,
  • longer running and production-time,
  • better quality tools and parts,
  • greater system, operational, and process-reliability, as well as
  • high heat-resistance.

Learn more about carbide

Just one example: grinding mandrels

Using mandrels made of hard metal means lower unit-costs and at the same time higher quality for you – despite higher purchasing costs than with steel. Hard metal is stiffer, dampens vibrations better, and has nearly no thermal-expansion in comparison to steel. This means you benefit from longer grinding wheel service life (fewer wheel changes), shorter cycle times (cooler grinding, higher removal rate), greater dimensional-accuracy and better surface-quality.


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