FIELD: machine tool building. SUBSTANCE: method comprises steps of mounting a part to be turned on two driven supports, whose central angle of their center arrangement is being set equal to 76 degrees; displacing an apex of a cutter relative to a point, being equidistantly spaced of the centers of the supports, along a rotation direction of the part by a distance, had been determined according to a formula, given in a description of the invention. EFFECT: enhanced accuracy of turning due to elimination of influence of deformation of a part caused by its own gravity, at part basing operation. 1 cl, 4 dwg
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