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Abstract
Preparation of superabrasive grinding wheel becomes one of the most important subjects on precise machining field at present. In this research, mist-jetting electrical discharge dressing (MEDD) technology was applied to dress metal-bonded superabrasive wheels. The author proposed a systematical study on the mechanism of selective removal of the bond of wheel. An experimental study has been carried out on a Die-Sinking Electrical Discharge Machine. The quality of wheels under different dressing electrical parameters was analyzed in terms of wheel profiles and wheel topographies. In addition, the performance of MEDD’ed wheel was evaluated by measuring grinding forces. Experimental results indicate favorable dressing quality can be obtained under suitable processing parameters, and MEDD is feasible for metal-bonded superabrasive grinding wheel.
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