Product Code: ICAL07_906
Laser Assisted Machining of Commercially Pure Titanium
Shoujin Sun, Swinburne University of Technology; Melbourne Australia
James Harris, Swinburne University of Technology; Melbourne Australia
Yvonne Durandet , Swinburne University of Technology; Melbourne Australia
Milan Brandt, Swinburne University of Technology; Melbourne Australia
Presented at ICALEO 2007
Laser assisted machining (LAM) has been performed on commercially pure titanium bar. Cutting forces have been measured with a 3-component force sensor, and tool temperature has been measured with thermocouples on the flank face. Both the scale and fluctuation of cutting forces were dramatically reduced, and machined surface became smoother during laser assisted turning. The effects of laser power, laser spot size, beam incident angle, tool-beam distance and cutting speed on the reduction of cutting forces and chip formation have been investigated. The reduction of cutting forces primarily depends on the tool-beam distance and cutting speed. With increasing cutting speed, the segmented chip was sharper in the conventional machining, compared to that in LAM. The measured tool temperature in LAM was similar to that during conventional machining.
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