耐熱合金のクリープフィード研削に関する研究　砥石周速の砥石摩耗への影響

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書誌事項

タイトル別名
  • A Study on Creep-Feed Grinding of Heat-Resisting Alloy. Influence of Grinding Wheel Wear on Grinding Speed.
  • タイネツ ゴウキン ノ クリープ フィード ケンサク ニ カンスル ケンキュウ
  • Influence of Grinding Wheel Wear on Grinding Speed
  • 砥石周速の砥石摩耗への影響

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抄録

reep-feed grinding is a form-copying grinding process capable higher rates of material stock removal than most other conventional grinding processes. In industry, creep-feed grinding is used for form-copying grinding of material which is very hard or very tough. The most widespread application of the process is the form-copying grinding of Inconel turbine blades of gas turbines. This paper deals with the grinding wheel speed and grinding ratio aspects of creep-feed grinding of Inconel 738. These aspects were studied under conventional grinding and creep-feed grinding conditions. The following results were obtained. (1) In grinding conditions, the grinding ratio has an especially strong correlation with the grinding speed. The grinding ratio at a low wheel speed of 3 m/s is approximately 10 times larger than that of the conventional wheel speed of 33 m/s. (2) It is made clear that dulling and breaking appear on a grinding wheel at a conventional wheel speed, and self-sharpening appears at a low wheel speed, according to the estimation with the measured mean grain profiles. (3) The wheel wear of the edge part during creep-feed grinding is 4 times less than that of the conventional grinding, with low wheel speed operation.

収録刊行物

  • 精密工学会誌

    精密工学会誌 59 (8), 1301-1306, 1993

    公益社団法人 精密工学会

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