Utilisation Four BLUE M : Différence entre versions

Ligne 65 : Ligne 65 :
 
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Version du 8 septembre 2020 à 10:04

Auteur avatarCombettes | Dernière modification 8/09/2020 par Combettes

Introduction

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.


Le document ne décrit pas la méthode pour modifier ou adapter un programme (Se référer aux responsables des équipements)

Matériaux

Outils

Étape 1 - Vérification disjoncteur / Branchement du Four

Vérifier que le disjoncteur du coffret électrique correspondant au four BlueM est bien enclenché


Vérifier que la prise triphasée du four est bien branchée


Étape 2 - Arrivée d'Azote

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)


Étape 3 - Aspiration de la salle blanche

Mettre en route l'extracteur de la salle blanche




Étape 4 - Contrôle de la différence de pression dans la Salle Blanche

Mettre en route la ventilation de la salle blanche (1)

Régler (2) la valeur de la différence de pression à 40Pa (3)


Étape 5 - Mettre les EPI

Avant de rentrer dans la salle blanche, mettre OBLIGATOIREMENT les EPI

- Blouse

- Gants


- (sur-chausses)

manque photos



Étape 6 - Ouverture du Four et chargement des échantillons

...NE JAMAIS TOUCHER LES PAROIS INTERNES SANS GANTS


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

Étape 7 - Avant d'allumer le four

Vérifier que les 2 débimètres du four sont bien fermés


Vérifier que la vanne de l'exhaust est ouverte (=en position horizontale)



Étape 8 - Mettre en route le four

Mettre le sectionneur sur ON (1)

Appuyer sur POWER CHAMBER (2) --> une alarme sonne pendant 5s



Étape 9 - Selection et lancement du programme

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



Étape 10 - Arret du four

Quand le cycle est terminé  :


  • Mettre les EPI
  • Fermer les débimetres
  • Sortir les échantillons
  • Fermer les portes du four
  • Mettre le sectionneur sur OFF


Étape 11 - Cahier de laboratoire et Fiche "Program Setting Tables"

Remplir le cahier de laboratoire

  • nom
  • groupe
  • date
  • type d'échantillons
  • programme
  • durée d'utilisation
  • remarque spécifique

Compléter la fiche "Programm Setting Tables" et la ranger dans le classeur

Commentaires

Draft