FIELD: machine building.
SUBSTANCE: invention relates to machine building and may be used for recess milling in the workpiece material for making parts. Recess in the part comprises angularly converging edges in the part angular area. During the recess milling, the angle cutter forms an enveloping surface, particularly a cylindrical surface with a side surface and an end surface. Angular area at first is carried out with the first orientation of the angle cutter corresponding to the longitudinal axis of the recess, using the section of the angle cutter making the side surface. Another option is formation of pointed angles in the second orientation of the angle cutter using the section which makes the end surface of the enveloping surface, the angular formation made between converging sections of the peripheral edges corresponds to junction between the end surface and the side surface. If necessary, a chamfer is formed directed across its longitudinal direction at the section of peripheral edge.
EFFECT: making parts with recess.
10 cl, 19 dwg
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