NASA NTRS · 19870000564
Grinding Inside A Toroidal Cavity
Abstract
Weld lines ground smooth within about 0.001 in. Grinding tool for smoothing longitudinal weld lines inside toroidal cavity includes curved tunnel jig to guide grinding "mouse" along weld line. Curvature of tunnel jig matched to shape of toroid so grinding ball in mouse follows circular arc of correct radius as mouse is pushed along tunnel. Tool enables precise control of grindout shape, yet easy to use.
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Mayer, Walter, Adams, James F., Burley, Richard K.. 1987-11-01. Grinding Inside A Toroidal Cavity. https://ntrs.nasa.gov/citations/19870000564
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