Abstract:In this paper, grind-hardening experiment on nodular cast iron QT400 was done with a surface grinder.The effects of the time discrepancy(TD) between the rst cut-out of the grinding wheel and the second cut-in of the two-pass grinding on the grinding force, microstructure, micro-hardness and uniformity of the hardened layer depth were studied. Then, by using the measured tangential grinding force, the simulation model of grinding temperature eld is established. We concluded that, with the same grinding paramete… Show more
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