Thin replicas viewed on comparator without sectioning. New mold machined from piece of transparent poly(methyl methacrylate). Fits around base of post. Two slots machined into inner surface form channels for casting inspection sections. Bottom of mold fits flush against surface around bottom of post. When surface slanted, mold automatically aligns in proper orientation. Time required to inspect elliptical radii located at bottoms of series of small posts reduced from 18 hours to 3 hours.
Mold For Casting Radius-Inspection Specimens
NASA Tech Briefs ; 12 , 9
1988-10-01
Miscellaneous
No indication
English
Transfer method for sand mold in stack mold casting production
European Patent Office | 2020
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