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Electrical-Discharge Machining Of Curved PassagesElectrical-discharge machining (EDM) used to cut deep hole with bends. EDM process done with articulating segmented electrode. Originally straight, electrode curved as it penetrates part, forming long, smoothly curving hole. After hole cut, honed with slurry to remove thin layer of recast metal created by EDM. Breakage of tools, hand deburring, and drilling debris eliminated.
Document ID
19930000604
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Guirguis, Kamal S.
(Rockwell International Corp.)
Date Acquired
August 16, 2013
Publication Date
September 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 9
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29909
Accession Number
93B10604
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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