Some Considerations on the Mechanics of Aluminium Machining

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概要

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• A commercial pure aluminium (2S) plate is orthogonally cut by the shaping machine and the peculiarity in machining aluminium is studied. The results obtained are as follows ; In cutting O-materials of aluminium, if the depth of cut is not so large, a pair of large and small cutting resistances are measured alternately when the deformed layer is cut by pre-machining and when the deformed layer is not cut. According to that fact, the chip in the case of large cutting resistance has a larger compression factor than in the case of small cutting resistance, and the cut surface becomes poor with stick-slip. In cutting H-materials, the above mentioned alternate change in the cutting resistance, the chip formation, the cut surface and others are not so clear and, in cutting 1/2H-materials, the change is transitionary between them. And it is observed that the structure of the part near the cut surface is a sort of machined fibre structure and has directionality revealed by etching-pit process.

• 一般社団法人日本機械学会の論文

著者

• Zaima Shigeo

  Faculty Of Engineering Shizuoka University

• TAKIMIZU Kanji

  Postgraduate Course, Shizuoka University.

• Takimizu Kanji

  Postgraduate Course Shizuoka University.

• ZAIMA Shigeo

  Faculty of Engineering, Shizuoka University,

関連論文

• Some Considerations on the Built-up Edge in Low Speed Machining of Aluminium Alloy
• Influences of Cutting Speed on Built-up Edges in Machining of Aluminium Alloy
• Some Considerations on the Mechanics of Aluminium Machining

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