Abstract
Preparation of superabrasive grinding wheels presents severe challenges due to the high hardness of abrasive grain. In this paper, electrical discharge dressing (EDD) technology with misted emulsion is applied to dressing bronze-bonded diamond wheels. Dressing experiments were carried out. The wheel profiles before and after dressing were measured using a Dektak 6M profilometer. The diamond wheel surface topographies before and after dressing were observed by three-dimension digital microscope. In addition, the performance of EDD’ed wheel was evaluated in practical grinding. It is shown that favorable surface topography can be obtained under suitable processing parameters and EDD misted emulsion with is feasible for metal-bonded diamond grinding wheel.
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