Use of in-process EDM truing to generate complex contours on metal-bond, superabrasive grinding wheels for precision grinding structural ceramics

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This paper presents recent work performed at Lawrence Livermore National Laboratory to develop cost-effective, versatile and robust manufacturing methods for grinding precision features in structural ceramics using metal-bond, superabrasive grinding wheels. The developed processes include utilizing specialized, on-machine hardware to generate precision profiles onto grinding wheels using electrical-discharge machining (EDM) and a contoured rotating electrode. The production grinding processes are described, which were developed and used to grind various precision details into a host of structural ceramics such as Al{sub 2}O{sub 3}, Si{sub 3}N{sub 4}, and BeO. The methodologies, hardware and results of both creep-feed and cylindrical grinding are described. ... continued below

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9 pages; Other: FDE: PDF

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Piscotty, M. A., LLNL August 1, 1997.

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Description

This paper presents recent work performed at Lawrence Livermore National Laboratory to develop cost-effective, versatile and robust manufacturing methods for grinding precision features in structural ceramics using metal-bond, superabrasive grinding wheels. The developed processes include utilizing specialized, on-machine hardware to generate precision profiles onto grinding wheels using electrical-discharge machining (EDM) and a contoured rotating electrode. The production grinding processes are described, which were developed and used to grind various precision details into a host of structural ceramics such as Al{sub 2}O{sub 3}, Si{sub 3}N{sub 4}, and BeO. The methodologies, hardware and results of both creep-feed and cylindrical grinding are described. A discussion of imparted grinding damage and wheel wear is also presented.

Physical Description

9 pages; Other: FDE: PDF

Notes

OSTI as DE00016384

Source

  • International Conference on Precision Engineering, Taipei (TW), 11/18/1997--11/20/1997; Other Information: Supercedes report DE98051003; PBD: 01 Aug 97

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  • Other: DE98051003
  • Report No.: UCRL-JC-128064
  • Report No.: CONF-971186--
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 16384
  • Archival Resource Key: ark:/67531/metadc619910

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 1, 1997

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  • June 16, 2015, 7:43 a.m.

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  • Jan. 3, 2017, 1:38 p.m.

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Piscotty, M. A., LLNL. Use of in-process EDM truing to generate complex contours on metal-bond, superabrasive grinding wheels for precision grinding structural ceramics, article, August 1, 1997; (digital.library.unt.edu/ark:/67531/metadc619910/: accessed November 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.