Journal
JOURNAL OF MANUFACTURING PROCESSES
Volume 19, Issue -, Pages 129-134Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jmapro.2015.06.010
Keywords
Machining; Wear; Ploughing
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Funding
- CAPES (Brazilian Federal Agency) [BEX4202/10-4]
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Turning of hardened steels with interrupted surfaces presents some restrictions, due to the fact that the tools usually used have little resistance against the typical loads of interrupted cutting. In order to reduce tool wear, an appropriate combination of tool material and cutting edge preparation must be chosen. With the goal of finding a proper edge geometry, the paper investigates the influence of customized cutting edge geometries on tool wear performance of CBN tools in interrupted hard turning. Regarding tool flank wear, results showed that a single chamfered cutting edge is the most appropriate, since it reinforces the cutting edge without excessively increasing mechanical and thermal loads. The main wear mechanism observed for all micro geometries corresponds to attrition. (C) 2015 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.
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