Abstract

Residual stress formed by the grinding with the coolant supplied from inner side of the grinding wheel was explored in this paper. Effect of the depth of cut on grinding temperature and residual stress was studied. As a result, it was clarified that the larger compressive residual stress was induced in the grinding with internal coolant supply comparing with the conventional external grinding fluid supply when depth of cut was large. Besides, grinding temperature in the internal grinding fluid supply was lower than that by external grinding fluid supply, which was measured by an infrared thermograph camera. It was suggested that large compressive residual stress was obtained in the case of the coolant supply from inner side of the grinding wheel because temperature is lower than external coolant supply.

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