LuocPhuong tooth zigzag approach usually have 2 options: run the knife under the 2-way (two way) and follow a path (one way).
Currently zigzag method is widely used, however, still exist some disadvantages: properties of continuous machining process is changed. This phenomenon leads to the change of the shear force should adversely affect the precision and surface quality. Zigzag method used when roughing, fine processing of the holes, the island
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