NASA NTRS · 19920000558
Floating Ring-Groove Lapper
Abstract
Tool fits out-of-round seal groove and laps it to fine finish without binding. Includes floating lapping pieces riding freely in groove, and are curved to match nominal diameter of groove. One lapping piece tightened so it does not move relative to disk.
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Williams, Robert L., Sr., Williams, Robert L., Jr., Chase, Timothy L.. 1992-09-01. Floating Ring-Groove Lapper. https://ntrs.nasa.gov/citations/19920000558
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