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Define tool life and explain factors affecting tool life?
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written 2.4 years ago by |
Tool life is defined as the time period between two successive grinding of tool and two successive replacement of tool. Tool life is a most important factor in the evaluation of machinability, it is the period of time in which the tool cuts effectively and efficiently.
A cutting tool should have long tool life. The cost of grinding and replacement is very high, so the short tool life will be uneconomical. Now a day’s tool material improvement increases the tool life. When a tool no longer performs the desired function then it is said that tool reaches end of useful life.
The tool life will be affected by various factors, which are mentioned below :