Development of an Oil-Air Lubrication System with a Piezoelectric Nozzle for Machine Tool Spindles

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Oil-air lubrication is an effective lubrication method for the high-speed spindle of machine tools. However, the rate of oil supply to the bearing fluctuates markedly due to intermittent oil supply from the oil-air mixing valves. In this study, a new oil-air mixing apparatus is developed by applying a piezoelectric nozzle which has been used to the printing head of ink-jet printers. By using the piezoelectric nozzle instead of the conventional mixing valve, fluctuation of the oil supply is successfully controlled. Further, it becomes possible to attach the oil-air mixing equipment in the vicinity of the bearings. The oil supply rate can be, therefore, quickly changed in response to changes in the running condition of the bearing.

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詳細情報

  • CRID
    1573387451885503616
  • NII論文ID
    110002505094
  • NII書誌ID
    AA10680610
  • ISSN
    09148825
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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