TERMIUM Plus®

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VACUUM-FEED SYSTEM [1 record]

Record 1 1983-07-19

English

Subject field(s)
  • Foundry Practice
CONT

A vacuum-feed system depends on pressure difference to force the metal from the holding furnace to the shot chamber [in die casting]. (...) a vacuum pump evacuates the air from the shot chamber and the heated tube (usually by way of the casting cavity and through a filter or trap). The metal from the holding pot then flows through the heated tube and into the shot chamber, to fill the vacuum.

French

Domaine(s)
  • Fonderie
OBS

Évolutions du procédé (du moulage en coquille coulée sous pression). [...] Emploi du moulage en dépression qui consiste à aspirer l'air du moule par des moyens divers afin d'obtenir des pièces plus minces, plus compactes, de plus bel aspect superficiel, coulée à plus basse température et à des cadences plus élevées [...]

Spanish

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