Abstract
The phenomena which accompany the grinding of spherical surfaces with high surface quality and accuracy of shape as applied in the production of prostheses (artificial joints) are presented in this paper. Tests were carried out on a special grinding machine by a chordal grinding method with the use of alundum, SiC and synthetic diamond abrasive tools for metal and ceramic materials. The material removal rate, material removal parameter, roughness and out of roundness were determined. The results obtained for spherical sliding surfaces of high quality are in good agreement with tribological and clinical requirements for such joints. Some remarks are given as to the operation of the pregrinding and finish grinding processes on outer spherical surfaces observed during the tests.
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