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Tool wear/tool life is an important aspect commonly considered in evaluating the performance of a machining process. The advent of new grooved tools with complex chip-groove geometry has required a better understanding of their effects on tool wear/tool life. This paper presents an overview of research at the University of Kentucky on extensions to the conventional tool wear and tool life methodologies...
The lack of a satisfactory methodology to predict the tool-wear progression/tool-life in a machining operation with a grooved tool necessitates development of quantitative predictive models for tool-wear. This paper presents a new methodology for decomposing and distributing the resultant force generated in machining with a grooved tool within the three major tool-wear regions: edge region, secondary-face...
This paper presents a systematic approach towards understanding of the tool-wear mechanisms in grooved tool inserts based on chip-flow patterns. It has been observed through high-speed filming experiments and scanning electron microscopy that improper design of chip-groove geometry and/or inappropriate application of the cutting conditions result in @'undesirable@' chip-flow patterns and consequent...
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