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Modified Cobalt Drills With Oil PassagesOil forced through drill shanks to lubricate cutting edges. Drill bits cooled and lubricated by oil forced through drill shanks and out holes adjacent to bits. This cooling technique increases drillbit life and allows increased drill feed rates.
Document ID
19860000266
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hutchison, E.
(Rockwell International Corp.)
Richardson, D.
(Rockwell International Corp.)
Date Acquired
August 12, 2013
Publication Date
May 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 3
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MFS-29137
Accession Number
86B10266
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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