Abstract
In the present work, we investigate the possibility of using the acoustic signal to permit better utilization of the grinding wheels in the bilateral face grinding of thinwalled blanks by refinement of wheel dressing and also to rank discontinuous and composite grind� ing wheels in terms of their effectiveness. We investigate the influence of the wheel's working surface on its life, the resulting surface quality, and the amplitude A ac of the acoustic signal generated in bilat� eral face grinding. The frequency f and amplitude A ac of the acoustic oscillations are recorded as oscillo� grams by means of a primary converter (microphone) and a PC. The results are analyzed by means of spe� cialpurpose software. The effectiveness of bilateral face grinding by wheels with discontinuous working surfaces is com� pared with the performance of standard wheels in the same conditions. The effectiveness of grinding wheels in the bilateral face grinding of thinwalled blanks is assessed on the basis of the following characteristics: (a) the wheel life in terms of the number
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