Experimental investigations on grindability of bearing steel under high efficiency deep grinding (HEDG) Online publication date: Fri, 16-Jan-2009
by S. Ghosh, S. Paul, A.B. Chattopadhyay
International Journal of Abrasive Technology (IJAT), Vol. 2, No. 2, 2009
Abstract: Bearing steel, having three different hardness (Rc32, Rc40 and Rc60), was surface ground using monolayer galvanically bonded cBN grinding wheels under high efficiency deep grinding (HEDG) domain. The grinding forces and material removal rates were determined experimentally. The specific energy requirements during HEDG were determined and compared with the specific energy requirement during the conventional grinding process. It was revealed that the HEDG process under appropriate process conditions required lower specific energy for grinding the bearing steels. The good performance of the HEDG process in this case can be attributed to the retention of sharpness and stability of the cBN grits of the monolayer wheels within the domain of the process parameters employed during this investigation and also to a certain extent due to better and effective application of the cutting fluid during the HEDG process.
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