DAMAGE ANALYSIS OF DEGRADED SLITTING KNIFE
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 5, Issue 9
Abstract
This study analyzed the damage to a slitting knife after cutting steel sheets. Damages to the structure were observed and wear tests were conducted. In addition, the degradation on the damaged and undamaged parts was compared with a Vickers hardness test. Weibull statistical analysis was carried out in order to evaluate the reliability of the Vickers hardness measured data. Spalling of the edge portion occurred by degradation during use over a long period. Rough parts in the specimens were caused by damage because the slitting knife was used for 1 year. The friction coefficient and wear loss at the damaged parts of the knife edge were slightly larger from shock due to repetitive cutting operation. The Vickers hardness followed a two-parameter Weibull probability distribution.
Authors and Affiliations
Ki-Woo Nam
Keywords
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- EP ID EP128574
- DOI 10.5281/zenodo.61480
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