Low-density foam can be machined precisely while frozen. Liquid nitrogen cools foam and aluminum heat sink prior to machining. Heat sink keeps part frozen during entire machining operation.
Cryogenic machining of polyurethane foam
NASA Tech Briefs ; 5 , 1
1980-08-01
Miscellaneous
No indication
English
European Patent Office | 2023
|Tema Archive | 2001
|Automotive engineering | 2001
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