五金工具模板

There are many methods for machining inner holes, including drilling, reaming, mirror drilling, grinding, pulling, grinding, grinding, and rolling. Below are two common methods for drilling and expand

Commonly, the production of hand boards is usually carried out through CNC machining centers, with 3D programming input to CNC machining centers for processing, or through laser rapid prototyping. The

A prototype is a sample made during the development of a new product to verify its size, structure, appearance, etc., which can reduce the risk of mold opening. Because opening a set of molds is not c