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Volume 24 Issue 2
Feb.  1998
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Journal of Beijing University of Aeronautics and Astronautics  > 1998  >  24(2): 216-219.
Chen Wuyi, D.K.Aspinwall. High Speed Machining of Grey Cast Iron Using CBN Tools[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(2): 216-219. (in Chinese)
Citation: Chen Wuyi, D.K.Aspinwall. High Speed Machining of Grey Cast Iron Using CBN Tools[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(2): 216-219. (in Chinese)
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High Speed Machining of Grey Cast Iron Using CBN Tools

  • 1.

    Beijing University of Aeronautics and Astronautics,Dept. of Manufacturing Engineering

  • 2.The University of Birmingham,England

  • Received Date: 10 Oct 1997
  • Publish Date: 28 Feb 1998
    Abstract
  • The cutting performance of CBN tools when machining grey cast iron with different pearlite/ferrite ratio at high cutting speed up to 1100 m/min was investigated concerning tool flank and crater wear,tool life and the influence of oxygen rich atmosphere.It was found that nose wear of Amborite was slightly greater than that of BZN6000 and craters were more likely to occur on the tools machining high ferrite iron at low cutting speed.BZN6000 achieved longest tool life at the cutting speed of 700 m/min when machining workpieces with high ferrite content,while the tool life of Amborite increased consistently with the increase of cutting speed when machining high pearlite cast iron.Cutting in the oxygen rich atmosphere could reduce tool wear and the effect was more significant with BZN6000 tools.The explanations for the phenomena were discussed.

     

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    • References(1)
  • 1.Ballinger B R.CBN inserts bore soft cast iron.American Machinist,Oct,1985:90~91 2. Haldin O,Kartunen A,Prub P.Finishing grey cast iron with DBC 80.Industrial Diamond Review,1993,(4):187~189 3. Prokop J.Finish machining of bores in grey cast iron.Industrial Diamond Review,1982,42 (488): 26~28 4. Heath P J.Properties and uses of Amborite.Industrial Diamond Review,1986,46 (514): 120~127 5. International Organization for Standardization.Tool-life testing with single point turning tools.ISO 3685:1993(E),1993 6. Chen W.The machining of hardened steel using superhard CBN tooling and CBN tipped rotary cutting tools:[dissertation].England: Univ of Birmingham,1993 7. Trent E M.Metal cutting.2nd ed.London:Butterworths & Co (Publishers) Ltd,1984 8. Dearnly P A.A metallurgical evaluation of tool wear and chip formation when machining pearlite grey cast irons with dissimilar graphite morphologies.Wear,1985,101: 33~68 9. Robinson P H.Machinability tests on grey cast iron using CBN,whisker-reinforced ceramics and an oxygen rich atmosphere: [dissertation].England: Univ of Birmingham,1988 10. 周泽华.金属切削原理.上海:上海科技出版社,1984
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