Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 62, Issue 9-12, Pages 943-951Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-011-3853-x
Keywords
Dry cutting; Self-lubricating tool; Cutting performance; Ti-6Al-4V; Laser machining
Funding
- National Natural Science Foundation of China [51075237]
- Taishan Scholar Program of Shandong Province
- Outstanding Young Scholar Science Foundation of Shandong [JQ200917]
- Natural Science Foundation of Shandong [ZR2010EZ002]
- Independent Innovation Foundation of Shandong University [2011JC001]
- Specialized Research Fund for Doctoral Program of Higher Education [20110131130002]
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Surface textures were made using laser on the rake or flank face of the cemented carbide (WC/Co) inserts. Molybdenum disulfide solid lubricants were filled into the textured grooves to form self-lubricating textured tools. Dry cutting tests on Ti-6Al-4V were carried out with these self-lubricating textured tools and conventional tool. The machining performance was assessed in terms of the cutting forces, cutting temperature, chip thickness ratio, friction coefficient at the tool-chip interface, and tool wear. Results show that the cutting forces and cutting temperature of the self-lubricating textured tools were reduced compared with that of the conventional tool. The application of the self-lubricating textured tool with elliptical grooves on its rake face can reduce the tool-chip friction coefficient and the chip thickness ratio. The tool life of the textured tools is improved compared with that of the conventional tool. The effectiveness of the self-lubricating textured tools in improving cutting performance is related to the cutting parameter.
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