Grinding Principles

Grinding – Abrasives (Abrasive Materials)

Every grinding operation can be described as a machining process with an undefined cutting edge because the angle of cut is in the range from about -45º to -80º, depending on the abrasive used (type of grain) and the conditions of use. Machining is not done here by only one cutter, as in processes with a defined cutting edge (milling, turning, broaching etc.), but by a usually unknown number of individual cutters simultaneously. The effective number of cutters is not determined by individual grains, but by the conditioning (dressing and profiling). An indeterminate number of tiny individual cutters is formed on a single grain by chipping of the grain during conditioning, depending on the grain size, the conditioning tool and the conditioning parameters.

Needless to say, a grinding wheel is an extremely precise, high-performance tool. The modern grinding process is therefore the result of the constantly increasing demands on grinding output, precision and process reliability. The latest materials and production techniques are used to manufacture grinding tools which fully meet both quality requirements and the required economy.

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