Applying High Speed Video to Optimize the Performance of Milling Tools
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Design and optimization of innovative tools are key aspects for milling metal alloys with a hard machinability, being required for different industrial applications e.g., automobile or aeronautical manufacturing. For this purpose, a correct rupture and evacuation of the generated chips are two crucial aspects, being possible to improve them paying attention to the geometry and materials (particularly those used for coatings) of the milling tools. The influence of these two aspects can be barely registered with conventional video, during a real milling process, while high speed recordings can provide valuable information. In this research project, high speed video was applied to optimize de performance of milling tools, paying special attention to Ti6Al4V, due to its special requirements, as well as to its applicability to the aeronautical industry. The obtained results made possible to compare different versions of the tool geometries, facilitating the evacuation of the chips generated during the milling processes. Thanks to these improvements, the number of unexpected tool breaks, as well as their life were increased and the milled pieces obtained better quality surfaces, in parallel to the reduction of problems caused by chip pressures and collisions.
KeywordsHigh speed video Milling Tool geometry Tool optimization Aeronautical alloys
The research work was possible thanks to the collaboration among researchers from the University of Zaragoza, the CPIFP Corona de Aragón (both from Zaragoza, Spain) and the Western Macedonia University of Applied Sciences (from Kozani, Greece). It was funded by means of the grant JIUZ-2016-TEC-09 (Universidad de Zaragoza and Fundación Ibercaja). Finally, the research team would like to thank the technical staff from the tool manufacturing company Marena SL, for their crucial collaboration in the development and optimization stages.
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