The results of modeling of finishing process are given in this article. At modeling it is taking into account, that the process of removal of material, arising from contact of rough surfaces of workpiece and lap with lapping compound, which contains the aggregate of grains of different sizes and shapes, is a stochastic process. The obtained dependences allow to predict material removal, differentially assess the impact of individual factors on parameters of quality of parts and speed of the process.
finishing, abrasive grains, probability of material removing, pressing force, cutting force components.
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