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Printable Worksheet
Wear & Trial Log
Use this to run controlled tool-life trials: fix the cut, define the wear limit, record the life, and change only one variable between runs.
Trial setup (held constant)
| Machine / holder / setup | ________________________ |
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| Material & condition | ________________________ |
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| Fixed vc / feed / ap | ________________________ |
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| Wear criterion (e.g. VB limit) | ________________________ |
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Results
| Run | Tool / grade | Variable changed | Life (min / parts) | Failure mode |
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| 1 | | baseline | | |
| 2 | | | | |
| 3 | | | | |
Conclusion
| Lowest cost-per-part option | ________________________ |
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| Next thing to test | ________________________ |
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