チタンおよびその合金の放電加工に関する研究 (その3)

書誌事項

タイトル別名
  • Study on the electric discharge machining of titanium and its alloy (Part 3)
  • チタン オヨビ ソノ ゴウキン ノ ホウデン カコウ ニ カンスル ケンキュウ 3 チタン ノ ホウデン セツダンセイ ニ ツイテ
  • On the electric discharge machinability in cutting off of titanium
  • チタンの放電切断性について

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抄録

The electric discharge cutting machinabilities of titanium and its alloys are searched in comparison with the machinabilities of mild steel, brass, beryllium bronze, aluminium (2S) and others by the Lazarenko-circuit and the rotating electrode made of brass disk. In this paper, the electric discharge cutting machinability is discussed by the time required for cutting, that is, the necessary time to cut unit thickness and unit length in sec/mm-mm.<br>The results are summarized as follows:<br>1) There exists the most effective cutting condition relating to working current.<br>2) The electric discharge cutting machinability of titanium alloy is better than that of mild steel, and there are no differences in the machinability, however, Ti-8% Mn alloy has the best machinability and the machinability gets worse in the order of Ti-5% Al alloy, titanium and Ti-2% Al-2% Mn alloy.<br>3) On the cutting solution for titanium, machine oil shows the highest efficiency, followed by kerosene by light oil and then water in the rear.<br>4) The width of cutting slit is slightly larger than the thickness of electrode disk and is in the range of 1.4-1.6 times in titanium.<br>5) The roughness of the cutting surface is in 6-10μ and may be said the good surface.<br>6) The cutting efficiency increases in the raise with the source voltage and the source ampere, but there exists the most effective condition in the condenser capacity and, in this experiment, it is in about 200μF.

収録刊行物

  • 軽金属

    軽金属 15 (4), 241-249, 1965

    一般社団法人 軽金属学会

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