Dressing of filigree fine-grained metal bonded grinding wheels |
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Authors: | Berend Denkena Martin Reichstein Dennis Hahmann |
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Affiliation: | 1. Institute of Production Engineering and Machine Tools (IFW), Leibniz Universit?t Hannover, An der Universit?t 2, 30823, Garbsen, Germany
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Abstract: | Metal bonded grinding tools offer a remarkable potential for micro grinding because of their favorable wear behavior. However,
metal bonded grinding tools, especially dicing blades, are hard to dress by conventional dressing methods. Electro contact
discharge dressing, which is presented in this paper, is a numerically controlled dressing process offering the possibility
to create the geometry and topography of the grinding wheel simultaneously at negligible dressing forces. The power of an
electric circuit thermally removes the metal bond of the grinding wheel during the dressing process. The quality of the created
profiles and the influence of the dressing parameters on the specific material removal rate of the grinding tool as well as
the wear of the electrode are investigated at fine-grained grinding wheels. |
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Keywords: | Production process Micro-machining Electro contact discharge dressing |
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