Using Infrared Thermograph of Chip Temperature to Monitor Cutting Edge Performance

Abstract:

Recently, the need arises for new machining inprocess techniques to monitor and/or control machining systems. Due to the introduction of digital thermal noncontact cameras, it becomes possible to assess the chip temperature hence, to evaluate the possible relation between edge performance and variation within such temperature. A noncontact infrared thermal camera is mounted on a turning lathe carriage to record the cutting temperatures as cutting speed and feed vary using both coated and uncoated carbide inserts. Temperatures gradient, along with the relevant SEM micrographs, are analyzed for possible correlation with both regular and irregular cutting edge deformation. While cutting speed proved not to be an influential parameter on the depicted temperatures, feed increase tends to lower cutting temperatures. Generally, it is observed that lower heat and temperatures are generated when coated inserts are employed. It is found that cutting temperatures are gradually increased as edge wear and deformation develop.

• Periodical: Applied Mechanics and Materials (Volumes 789-790)
• Pages: 549-553
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.789-790.549
• Online since: September 2015
• Authors: M.S. Alajmi, S.E. Oraby*
• Keywords: Coated Carbide, Cutting Parameters, Cutting Temperatures, Infrared Thermograph, Tool Edge Deformation, Tool Edge Wear, Uncoated Carbides

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