電動式CNCプレスによる粉末成形の研究 Study on Powder Compacting Using Motor-driven CNC Press

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Powder metallurgy (P/M) is a unique process suitable for a mass-production of near-net-shaped products and for a special alloy composition a conventional molten process can't prepare. In order to utilize these advantages for P/M products, it is important to manufacture a green part highly accurate, uniform in density and completely defect-free. Although hydraulic and mechanical presses have been used for a powder compaction so far, in recent years an expanding area of application for a P/M part has raised a need for a novel powder compacting press which brings a break-through towards a complicated P/M product with high quality. Due to the structural limitation in tool motion and control, a conventional press has a difficulty to solve many of technological problems such as green density distribution and cracking. Since 1987, by applying the high-output servo motor and CNC (Computerized Numerical Control) technology, authors have developed a fully motor-driven powder compacting press, and a variety of experiments and analyses on powder compacting process have been carried out. The study has revealed that a CNC powder compacting press brings an important clue for P/M products with high quality, by indicating the pressing process, the compacting phenomena and a property of a green part in a quantitative manner.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 44(10), 930-935, 1997-10-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002261536
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    05328799
  • NDL 記事登録ID
    4324257
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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