Analysis of Workpiece Temperature and Grinding Burn in Creep Feed Grinding
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概要
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This paper aims to clarify workpiece temperature and the mechanism of grinding burn in creep feed grinding. The workpiece is modelled thermally by a three dimensional finite element method. The cooling effect of coolant is measured and the fraction of mechanical energy conducted as heat into the workpiece is estimated by Jaeger's moving heat theory extended to include the cooling effect. The analytical results are shown to agree well with the experimentally obtained temperature distribution. From the experimental evidence that the onset of grinding burn is closely related to the boiling of the coolant used, the mechanism of the grinding burn can be considered as follows; when the grinding zone temperature reaches a point at which bubbles begin to form, the bubbles grow up rapidly in the wheel-workpiece interface and block heat transfer to the coolant. This is verified by the above-mentioned thermal mode.
- 一般社団法人日本機械学会の論文
著者
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Furukawa Yuji
Department Of Material Science Graduate School Of Science And Technology Kobe University
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Ohishi Susumu
Department Of Mechanical Engineering Tokyo Metropolitan University
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FURUKAWA Yuji
Department of Applied Biological Chemistry, Faculty of Agriculture, Tohoku University
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