GRINDING & HONING

Working from a central axis of rotation cylindrical grinding grinds the external diameter (OD) of a component. Used where concentricity to other features such as bores is critical. A typical surface finish would be between 0.2 – 0.4 Ra as ground. Finer finishes < 0.1 Ra would then be achieved by using subsequent polishing operations.

Unlike cylindrical grinding, centreless grinding is a form of grinding where there are no centres holding the object in place. Instead, it uses a regulating wheel positioned on the opposite side of the object to the grinding wheel. Concentricity is not critical. Combined with centreless polishing surface finishes of < 0.1 Ra can be achieved.