Tool Wear: Meaning, Types and Causes | Metal Cutting
Growth of Tool Wear: The growth pattern of tool wear is shown in Fig. : We can divide the growth into following three zones: (i) Severe wear zone. (ii) Initial Wear zone. (iii) Severe or ultimate or catastrophic wear zone. (i) Initial Preliminary or Rapid Wear Zone: Initially, for the new cutting edge, the growth of wear is faster.