Milling cutter for forming boss and boss forming method

Abstract

The invention relates to a milling cutter for forming a boss and a boss forming method. The milling cutter comprises a cutter bar and a cutter pouch, wherein the rear part of the cutter bar is provided with a connection part connected with a machine tool, the rear part of the cutter pouch is detachably connected with the cutter bar, the cutter pouch is concentric with the cutter bar, the front part of the cutter pouch is provided with two cutter handles, the two cutter handles are respectively provided with a detachable main cutter blade and a detachable auxiliary cutter blade, and both the main cutter blade and the auxiliary cutter blade are parallel to the axis of the cutter bar. By virtue of a cutter structure adopting double blades to cut, so that the appearance of the boss can be machined by the cutter in one step; moreover, since the cutter pouch and the cutter blades are detachable, the bosses in different appearance shapes can be machined by adopting different cutter pouches and cutter blades of different model numbers and specifications, when the milling cutter is abraded and aged, only the cutter blades need to be replaced, so that the procedure and cost can be greatly reduced. The milling cutter is applicable to the field of nuclear power machining.

Description

technical field [0001] The invention relates to the field of nuclear power processing, in particular to a milling cutter for forming a boss and a method for forming the boss. Background technique [0002] The bosses of the lower head of a certain product of nuclear power regulators are installed with conduits, which are distributed circularly along the inner spherical surface of the head, and the distance between adjacent bosses is small. The common arc (spherical) end mills are usually fixed on the boring and milling machine. On the three-jaw chuck and driven by the main shaft, the cutting edge of the milling cutter cuts the processing plane during rotation. When processing bosses, due to the processing of the inner spherical surface, the spindle of the machine tool is likely to interfere with the inner spherical surface during processing, so the length of the tool can only be lengthened to expand the processing space, but the diameter of the machining tool is relatively sm...

AI Technical Summary

Problems solved by technology

When processing bosses, due to the processing of the inner spherical surface, the spindle of the machine tool is likely to interfere with the inner spherical surface during processing, so the length of the tool can only be lengthened to expand the processing space, but the diameter of the machining tool is relatively small due to the small distance between the bosses. Small, the tool rigidity is weak, and the cutting feed is also small

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