What does the term "tool wear" refer to?

The term "tool wear" specifically refers to the gradual deterioration of a cutting tool's edge and shape as it undergoes machining operations. Over time, as the tool interacts with the material being machined, it experiences wear due to friction, heat, and mechanical stress, which leads to a loss of its cutting edge integrity. This wear can manifest as rounding of the edges, loss of sharpness, or changes in geometry, all of which can adversely affect the performance of the tool and the quality of the workpiece being produced.

Understanding tool wear is critical for tool and die makers, as it directly impacts machining efficiency, surface finish, and dimensional accuracy. Monitoring tool wear allows for timely tool replacements or resharpening, helping to maintain optimal production processes and reduce downtime.