Evaluation of Dressing Condition Based on Quantification of Grinding Wheel Surface Conditions
Gen Uchida*,, Takazo Yamada*, and Yuta Iwasaki**
*College of Science and Technology, Nihon University
1-8-14 Kanda-surugadai, Chiyoda-ku, Tokyo 101-8308, Japan
**Graduate School of Science and Technology, Nihon University, Tokyo, Japan
Different grinding wheel surface conditions affect the ground surface roughness and grinding resistance during the grinding process. In addition, as the grinding wheel surface condition changes depending on the dressing conditions, the difference in the dressing conditions significantly affects the grinding characteristics. However, the dressing condition is affected by factors such as the dressing lead, depth of dressing cut, and tip shape of the dresser. Thus, optimum dressing conditions are difficult to achieve. Furthermore, even if the dressing is applied under the same dressing conditions, the grinding wheel surface condition will differ as the tip wear of the dresser progresses. There is a need for a method to quantitatively evaluate the relationship between the dressing conditions, grinding wheel surface condition, and grinding characteristics while considering the difference in the tip shape of the dresser. Thus, the relationship between the tip shape of the dresser and dressing conditions was evaluated using the dressing overlap ratio. This study aimed to evaluate the effect of different dressing overlap ratios on the grinding wheel surface condition and grinding characteristics with different grain sizes. Consequently, even if the tip shape of the dresser changes, the effect of the different dressing conditions on the grinding wheel surface condition and grinding characteristics could be quantitatively determined using the dressing overlap ratio. Furthermore, the relationship between the calculated successive cutting-point spacing, area of active abrasive grains, and grinding characteristics could be quantitatively evaluated for grinding wheels with different grain sizes.
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