Abstract
On the basis of orthogonal experiment method, the grind-hardening of 65Mn steel had been carried out on a conventional surface grinder with alumina grinding wheel, the influence of depth of cutap, table speedvw, grinding modegm, and interaction between depth of cut and table speedavon depth and its uniformity of grind-hardened layer of 65Mn steel were investigated. The results show that, theapis the significant factor influences the average depth of grind-hardened layer and the significance ratio of experiment factors from most to least as followed:ap>vw>gm> av; thegmand thevware the significant factors influence the depth uniformity of grind-hardened layer and the significance ratio of experiment factors from most to least as followed: gm>vw>ap>av. The fairly uniformity of grind-hardened layer with good economy can be obtained when using grinding conditions that theap= 0.6mm, thevw= 0.4m/min, and thegm=up grinding + down grinding in practical applications.
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