Abstract
AbstractThe article presents theoretical studies using finite element modeling, which made it possible to determine the rational characteristics of diamond grinding wheels based on polymer and ceramic bonds. The effect of the parameters of the diamond-bearing layer on the change in the stress-strain state (SSS) of the diamond-bearing layer in the process of microcutting of hard alloys and superhard materials (SHM) has been studied. A scientific hypothesis was put forward and proved the need for an integrated approach when choosing the concentration and grain size of diamond in the diamond-bearing layer of the grinding wheel. Based on the limiting values of equivalent stress σeq in the grinding zone, it has been established that the concentration of grains in the working layer of the wheel must be selected, taking into account their grain size, as well as the group of the processed material. The data on the stress-strain state of the diamond-bearing layer during grinding of hard alloys and superhard materials were obtained by the calculation method using the analysis by the finite element method.KeywordsDiamond grindingFinite elementConcentrationGrain sizeSuperhard materials
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