Advanced workpiece materials

Machining of holes


The term “machinability” refers to either how hard or how easy it is to machine a workpiece material. A material with good machinability is known as easy-to-cut material, while material with poor machinability is known as difficult-to-cut material.


The criteria that determine the “machinability” of a workpiece material include tool life, difficulty of chip control, attainability of accurate machining, and attainability of acquiring a good surface finish.


Various factors determine whether or not these criteria can be achieved, such as the machining method, the machine being used, the cutting tool and the cutting conditions to be used.

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