OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 6 No. 2 2024 Let us consider the orientation of the edges and vertices of the graph G = (X, E). The grinding wheel in this case is shown in the form of the following parts: abrasive part (vertex X1), body (vertex X2), fastening (vertex X3), unbalance class (vertex X4), accuracy class (vertex X5), maximum speed (vertex X6), wheel manufacturer (vertex X7) other parameters (additions or notes vertex X8) and other elements (vertices X9...Xn) represented by the set lX.: 1 . n X i i l X = = The abrasive part (vertex X1) is represented by the parameters lX1, which are the vertices of the edge; X11 is the design of the abrasive part; X12 is geometric dimensions; X13 is abrasive material; X14 is grit size; and XlnX1 is other parameters described by the set lX1: 1 1 1 . n X i i l X = = The abrasive part (vertex X11) is described by the parameters that are the vertices of the edge lX11; X111 is a solid cutting part; X112 is the interrupted (segmented) part; and Xnl X11 is other versions presented as a set lX11 11 11 1 n X i i l X = = . The dimensions of the abrasive part (vertex X12) are described by different parameters, which are the vertices of the graph lX12:X121 is the shape of the insert; X122 is the dimensions of the insert; X123 is the height of the abrasive layer; X124 is the width of the abrasive layer; and X125 is the concavity of the abrasive layer. X126 is the design of the insert; Xnl X12 are other parameters represented as a set lX12: 12 12 1 n X i i l X = = . Fig. 1. Graph-based model of a modular wheel
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