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CRONING PROCESS [1 record]
Record 1 - internal organization data 1998-06-22
Record 1, English
Record 1, Subject field(s)
- Foundry Practice
- Casting and Patternmaking (Metal Processing)
- Plastics Manufacturing
Record 1, Main entry term, English
- shell molding
1, record 1, English, shell%20molding
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- shell moulding 2, record 1, English, shell%20moulding
correct
- shell casting 3, record 1, English, shell%20casting
- shell-moulding 4, record 1, English, shell%2Dmoulding
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... casting processes that use aggregate molding materials are shell molding, carbon dioxide process ... and plaster molding. In shell molding the aggregate consists of sand 2.5 - 10% thermosetting resin. The metal pattern is heated between 350 and 700°F, and the aggregate is allowed to thermoset around the pattern, forming a thin sand shell. The shell is then cured and removed from the pattern. The shell halves are assembled and sometimes strengthened by a backing. 1, record 1, English, - shell%20molding
Record 1, Key term(s)
- shell-molding
- Croning process
- Croning method
Record 1, French
Record 1, Domaine(s)
- Fonderie
- Moulage et modelage des métaux
- Plasturgie
Record 1, Main entry term, French
- moulage en carapace
1, record 1, French, moulage%20en%20carapace
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- procédé Croning 1, record 1, French, proc%C3%A9d%C3%A9%20Croning
correct, masculine noun
- moulage en coquille 2, record 1, French, moulage%20en%20coquille
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Apparu en Allemagne à la fin de 1944, le moulage en carapace est aussi appelé «procédé Croning», du nom de son inventeur, et, aux États-Unis, «shell-moulding». Le moule est en sable siliceux aggloméré à la chaleur par des résines phénoliques thermodurcissables (phénol-formol, ou phénol-formol-crésol) formant carapace autour du modèle métallique. La plaque portant le modèle est chauffée à 200 °C pour former un moule-carapace de quelques millimètres d'épaisseur; l'ensemble est ensuite porté à 300 - 400 °C pour polymériser la résine. On peut alors séparer du modèle la carapace durcie. Un moule est constitué de deux carapaces collées. 1, record 1, French, - moulage%20en%20carapace
Record 1, Spanish
Record 1, Textual support, Spanish
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