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Convolute Wheels

Convolute Wheels

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Consist of spiral-shaped, non-woven abrasive which is wound around a core and foamed up. The foam supports the non-woven component and positively impacts tool life and abrasive performance. The specific bond results in non-woven wheels with a very good surface finish, high stock removal rate and long tool life. These properties are particularly apparent when deburring, blending, finishing and polishing soft metals, alloyed and high alloy steels, in addition to titanium products.

Size (dia mm x thickness mm): 

Abrasive:  Aluminium Oxide, Silicon Carbide

Grits: Soft, Medium-soft, Medium-hard, Hard, Extra-hard

Soft: Very good abrasive performance on contours. Very good for blending surfaces.

Medium-soft: Increased flexibility and extended tool life for tough blending, light deburring and polishing work.

Medium -hard: Increased edge strength and tool life, for tough deburring blending and cleaning

Hard: Very high stock removal, good edge strength and tool life for heavy duty deburring and polishing

Extra hard: Very high edge strength for demanding deburring

Materials that can be worked:

  • Aluminium
  • Cobalt-based alloys
  • Other non-ferrous metals
  • High-temperature-resistant materials
  • Nickel-based alloys (e. g. Inconell and Hasteloy)
  • Bronze
  • Hard non-ferrous metal
  • Titanium
  • Titanium alloys
  • Copper
  • Soft non-ferrous metal
  • Brass
  • Zinc
  • Stainless steel (INOX)
  • Thermoplastics
  • Fibre-reinforced duroplastics (GRP, CRP)
  • Hardened, heat-treated steels over 1,200 N/mm2 (over 38 HRC)
  • Steel materials with a hardness over 54 HRC
  • Steel, cast steel
  • Steels up to 1,200 N/mm² (< 38 HRC)


  • Roughening
  • Deburring
  • Surface work
  • Cleaning
  • Structuring (matt finishing, brush matting and satin finishing)
  • Fine grinding in multiple steps

Drive types:

  • Flexible shaft drive
  • Straight grinder
  • Bench grinder
  • Stationary machines


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