D02 Performance and Workpiece Surface Integrity in High Speed Drilling (HSD) of Titanium Alloy

概要

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An increased on demands of aerospace components has lead to implementation of high speed machining (HSM) coupled with dry or near dry machining to increase the productivity. In this investigation, the effect of high speed drilling (HSD) conditions on the performance and surface integrity of titanium alloys were studied. Cutting forces and temperature were determined as a function of the two control parameter. A cursory metallurgical examination was made on the holes surface. The results of the investigation showed an increase in cutting temperature with increasing cutting speed and feed. Thrust force and torque decreased linearly with the increasing cutting speed but significantly increased when higher feed is employed. The surfaces of the specimens were examined under the scanning electron microscopy (SEM) and the hardness was measured using microhardness tester machine.
社団法人日本機械学会の論文
2008-11-21