Abstract
This experimental work is aimed at characterizing the effect of scraper board (SB) in reducing the rotating air layer around a grinding wheel and introducing the better method of application of scraper board and fluid delivery into the grinding zone. Zero pressure at the grinding zone is reported to achieve by placing the scraper board at an optimal location along the wheel periphery. The grinding ratio improved by 35.6% and 119%, surface roughness decreased by 36% and 54.2% while the requirement of specific energy is reduced by 50.8% and 57.3% when scraper board is positioned at the critical distance in comparison to the 57.5° position and no scraper board respectively.
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