Milling cutter for anticlockwise rotation and clockwise rotation, has middle part parallel to two edges, and comprising circular arc on both sides, bore hole for milling shaft, and two side parts representing circular arc

摘要

The cutter has a middle part that is parallel to two edges and comprising a circular arc on both sides. The middle part has a bore hole for a milling shaft, and the cutter has two side parts, which represent the circular arc. The two side parts contain a guide slot for a dovetail batten and a hole for guide bolts, where the batten connects the middle and two side parts together. The cutter has four knife sets respectively for each direction.