329 High Speed Machining of Bio-Titanium Alloy with a Binderless cBN Tool

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概要

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• Using a binderless cBN tool, improvement of processing efficiency was tried in machining of a vanadium-free titanium alloy, Ti-6Al-2Nb-1Ta which was recently applied for a surgical implant material. The tool which is prepared through the direct conversion sintering of h-BN under both high pressure and temperature, exhibits an improved high temperature durability. It was confirmed that a binderless cBN tool exhibited lower flank wear and kept sharper cutting edge compared to the tools made of sintered carbide, conventional cBN with binder and polycrystalline diamond with Co-based binder, after turning in cutting speed of 4.2m/s, feed rate of 0.15mm/rev, depth of cut of 0.5mm under an application of a high pressure coolant. Also, milling tests were conducted with a radius end mill tool which was made of the binderless cBN material. The possibility of high speed cutting in milling process was found.

• 一般社団法人日本機械学会の論文

著者

• Asakura F.

  Kanazawa Institute Of Technology

• HIROSAKI K.

  Industrial Research Institute of Ishikawa

• SHINTANI K.

  Kanazawa Institute of Technology

• KATO H.

  Kanazawa Institute of Technology

• MATSUO K.

  Kanazawa Institute of Technology

関連論文

• 329 High Speed Machining of Bio-Titanium Alloy with a Binderless cBN Tool

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