Boring is a method of machining on a prefabricated hole with a cutting tool to make it enlarged, and the boring work can be carried out either on a boring machine or on a lathe.

2. Processing complexity: whether the design structure of the concave-convex mould is complex or not, and whether it needs high-precision processing or not, will affect the processing difficulty and time, thus affecting the price. The above is the basic concept of concave-convex mould explained by Zhikai CNC, mastering the steps of wire-cutting machining concave-convex mould.