Process and device for measuring spacing at a paper machine...

D - Textiles – Paper – 21 – F

Patent

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D21F 1/08 (2006.01) D21F 1/02 (2006.01)

Patent

CA 2220838

The invention refers to a process for measuring spacing at a paper machine headbox. It is primarily characterized by constant magnetic fields being generated at the headbox slice gap area, the intensity of these fields being measured and these measurements being used to determine the gap between the individual lips. The invention also refers to a measuring device to determine spacing in the headbox 1 area of a paper machine, where a magnetic field generator 10 for a constant magnetic field is provided in one of the two elements 11 that determine the gap and a measuring device for magnetic fields 9 is contained in the second of the two elements 7, 8 determining the gap.

Processus pour mesurer l'espacement à une caisse de tête d'une machine à papier. Il est essentiellement caractérisé par des champs magnétiques constants générés à l'emplacement de l'écart de la règle de la caisse de tête, l'intensité de ces champs étant mesurée, et ces mesures étant utilisées pour déterminer l'écart entre les lèvres individuelles. L'invention comprend également un dispositif de mesure pour déterminer l'espacement à la caisse de tête 1, où un générateur de champ magnétique 10 pour un champ magnétique constant est fourni dans un des deux éléments 11 qui déterminent l'écart. Un dispositif de mesure pour les champs magnétiques 9 est contenu dans le deuxième des deux éléments 7,8 déterminant l'écart.

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