FIELD: machine engineering, tools for cutting cycloidal gear wheels. SUBSTANCE: gear shaper includes body and shaping profile. In order to enhance quality of cut gear wheels, to increase efficiency and to cut gear wheels with different number of teeth in gear-shaping machine tools used for making involute gear wheels, shaping profile is in the form of hyro- or epicycloide whose equidistant is spaced from theoretical profile by distance equal to radius of lantern gear. EFFECT: improved quality of gear wheels. 1 dwg
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