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What are Unitised Wheels?

Compressed layers of a non-woven fleece impregnated with grinding aids, abrasives and flexible resins to create sheets of unitised abrasive, which can then be cut into discs and wheels.

They are commonly used on the Cibo Finiteasy, fillet weld grinders and bench grinders for finishing and deburring applications.

Unitised (SA5 & SA6 Grades): should be used for light deburring, scratch removal and pre-polishing.

Unitised (SA7 & MA8 Grades): used for tig weld removal, deburring and pre-polishing when more aggression is needed than with the SA5 and SA6, often used in smaller diameters on air tools

Unitised (MA5 Grade): more aggressive than the SA5 disc, providing a satin finish when deburring and removing welds.

Unitised (TA10 Grade): Completely re-designed and improved, the new TA discs are very high aggression discs for when fast stock removal is key.

Combi Unitised (GA range):  Another Cibo innovation; fillet weld grind & polishing all in one action.

With the pressed construction of unitised discs and wheels the direction of rotation is less important.

What are Convolute Wheels?

Convolute wheels are made from an open web structure wound around a central core.  As the fleece is being wound around the core the fleece is impregnated with abrasive, flexible resins & grinding aids.

Convolute wheels are primarily used for deburring and soft satin finishing, they can be made in a number of different diameters, but are most commonly used in 150mm and 200mm, and from 6mm to 300mm wide.

Convolute wheels are available in 4 different grades:

  • SA1 – The hardest wheel. Primarily used for deburring machined parts.
  • SA2 – Also used for deburring and fine satin finishing of stainless and non-ferrous metals.
  • SA3 – More suited to finishing aluminium.
  • SA4 – The softest wheel. Used in a wider format they are used for creating a soft grain finish.

Note:  With the wound construction of convolute wheels it is important to ensure that they rotate in one direction only, such that the wind is away away from the sanding action.  All convolute wheels are marked with a direction arrow to ensure safe use.

Cibo Grinding Wheels Catalogue

Some of our unitised wheels will fit onto a tapered shaft, but in principle we prefer to supply wheels to fit on a parallel shaft. This improves safety and reduces vibration, thus improving operator comfort.

No. Being the Cibo Abrasives operation in the UK and Ireland, we choose to follow their pattern. On the continent, wooden centre wheels are deemed to be a health risk, so all of our flap wheels are designed for mounting on a parallel shaft.

Please select the type of brush or wheel you are searching for and then select the correct dimensions for your machine.