| Autor: |
Srikant, R. R., Subrahmanyam, S.M., Krishna, V. P. |
| Předmět: |
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| Zdroj: |
Advances in Production Engineering & Management; Jan2010, Vol. 5 Issue 1, p13-24, 12p, 2 Black and White Photographs, 12 Graphs |
| Abstrakt: |
A major problem in achieving high production rates in metal cutting industry is Tool Wear. Prolonged tool life has gained significance with the discovery of materials like hard steels, and the urge to maintain tighter geometric tolerances and improved surface finish. Strengthening of the edge and prevention of its deterioration is achieved by the several edge geometries that have been proposed; the most prominent being chamfered tools and honed tools. But, the investigation of the effect of different chamfer angles and honed radii on the machining parameters and tool life is not much done. The present work is an attempt to study the influence of these variables on tool wear. EN-8 steel with sharp tool and different chamfered and honed tools has been machined and experimental investigations have been carried out. Variations in cutting forces, tool wear, and thus tool life, have been observed for all the cases. Inferences drawn are validated and the performance of the tools for workpieces with different hardness is assessed by machining EN-9 under similar cutting conditions using similar tools as in the previous case. Results obtained in both the cases are analogous, thus validating the conclusions made. The work can be extended by considering more values chamfer angle and honing radii. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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