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Ultrasonic Abrasive Removal Of EDM RecastUltrasonic abrasive process removes layer of recast material generated during electrical-discharge machining (EDM) of damper pocket on turbine blade. Form-fitted tool vibrated ultrasonically in damper pocket from which material removed. Vibrations activate abrasive in pocket. Amount of material removed controlled precisely.
Document ID
19900000559
Document Type
Other - NASA Tech Brief
Authors
Mandel, Johnny L. (Rockwell International Corp.)
Jacobson, Marlowe S. (Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
October 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 10
ISSN: 0145-319X
Subject Category
FABRICATION TECHNOLOGY
Report/Patent Number
MFS-29545
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.