NASA NTRS · 19800000124
"Grinding" cavities in polyurethane foam
Abstract
Grinding tool installed on conventional milling machine cuts precise cavities in foam blocks. Method is well suited for prototype or midsize production runs and can be adapted to computer control for mass production. Method saves time and materials compared to bonding or hot wire techniques.
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Brower, J. R., Davey, R. E., Dixon, W. F., Robb, P. H., Zebus, P. P.. 1980-08-01. "Grinding" cavities in polyurethane foam. https://ntrs.nasa.gov/citations/19800000124
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