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{{Tuto Step | {{Tuto Step |
Auteur Combettes | Dernière modification 8/09/2020 par Combettes
Azote, atmosphere controlée, recuit, traitement thermique Utilisation_Four_BLUE_M_01-Four_BlueM.JPG Technique
Ce document décrit les étapes nécessaires (à exécuter dans l'ordre) pour faire un traitement thermique sous azote à l'aide du four BlueM.
L'opérateur pourra choisir entre 2 programmes déjà enregistrés.
Vérifier que le disjoncteur du coffret électrique correspondant au four BlueM est bien enclenché
Vérifier que la prise triphasée du four est bien branchée
Vérifier que les 3 vannes de l'arrivée d'azote sont ouvertes
Vérifier que la pression lue sur le mano-détendeur est bien comprise entre 2,7 et3,5bars (idéalement fixée à 3bars) (manque photo)
Mettre en route la ventilation de la salle blanche (1)
Régler (2) la valeur de la différence de pression à 40Pa (3)
Avant de rentrer dans la salle blanche, mettre OBLIGATOIREMENT les EPI
- Blouse
- Gants
- (sur-chausses)
manque photos
Vérifier la propreté à l’intérieur du four et sinon, nettoyer avec une chiffonnette salle blanche imbibée d'éthanol (Four froid).
Charger les échantillons dans le four et refermer. les deux portes
Vérifier que les 2 débimètres du four sont bien fermés
Vérifier que la vanne de l'exhaust est ouverte (=en position horizontale)
Mettre le sectionneur sur ON (1)
Appuyer sur POWER CHAMBER (2) --> une alarme sonne pendant 5s
Sur le panneau d'affichage :
1/ Appuyer sur le bouton "LOCAL" ( un voyant vert se situe sous "local")
2/ Appuyer 2s sur Prg1 ou Prg2 selon le programme choisi (le voyant se met sous Prg1 ou Prg2). Le cycle démarre automatiquement
RQ : Le cycle commence par une purge de 30min à Tamb
Débit Throat flow --> 30scfh
Débit Chamber flow --> 100scfh
Quand la purge est terminée, régler les débimètres selon le programme choisi
Quand le cycle est terminé :
Remplir le cahier de laboratoire
Compléter la fiche "Programm Setting Tables" et la ranger dans le classeur
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