lip gap
French translation: fente
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| 20:25 Apr 27, 2007 |
| English to French translations [PRO] Tech/Engineering - Paper / Paper Manufacturing | |||||||
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|  Selected response from: Claire Chapman Local time: 20:07 | ||||||
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| Summary of answers provided | ||||
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| 4 +1 | l'espace entre les levres |
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| 3 +1 | fente |
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| 3 | distance entre les lèvres |
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Answers
1 day 1 hr confidence: 
peer agreement (net): +1
peer agreement (net): +1l'espace entre les levres Explanation: l'espace entre les levres |
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1 hr confidence:
distance entre les lèvres Explanation: écart des lèvres ? http://fr.wikipedia.org/wiki/Papier#Production_des_feuilles -------------------------------------------------- Note added at 1 heure (2007-04-27 21:41:31 GMT) -------------------------------------------------- doute: toutes les occurences ont la même source -------------------------------------------------- Note added at 2 jours1 heure (2007-04-29 21:36:45 GMT) Post-grading -------------------------------------------------- il y a près de 10.000 occurences pour "lèvres de la fente" mais je suis d'accord cela n'apporte pas grand chose une fente de 12 mm, le lecteur de ce document saura bien s'il sagit de hauteur ou de largeur |
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1 day 9 hrs confidence: peer agreement (net): +1
peer agreement (net): +1fente Explanation: As long as I've got the right part of the machine used to produce paper, I think that this is the right word. According to the Micro-Epsilon article, the lip gap occurs at the beginning of production when the pulp is being moved onto the wire mesh. In two different French web sites about paper production, I found "fente" used for this gap. I've included some brochure references in both French & English for Micro-Epsilon which show that this is more about measuring the gap than about a specific part. European paper manufacturers are using a Micro-Epsilon noncontact eddy current displacement sensor to monitor the variable gap between the upper and lower lip Paper making machines usually have a lip width of between 4 and 6m and **the measuring task involves constantly monitoring the variable gap between the upper and lower lip…** At the 'wet end' of paper manufacture, the prepared paper pulp flows onto a conveyor belt of fine wire mesh. Here, most of the water is removed using a vacuum. The paper web is now generated and transported to a second station, the wet press rollers, which determine the paper web speed by means of a second drive unit… http://www.engineeringtalk.com/news/mip/mip134.html The illustrated examples show only a small selection of the numerous possibilities for the application of eddyNCDT systems. • displacement, position, elongation, dimension, length • vibration, amplitude, run-out, oscillation, clearance • bearing oscillation, wear, lubricating gap • commutator concentricity, roundness, air gap, pitch • compressor / turbine gap, revolutions, speed • stroke, deformation, axial shaft oscillation http://www.micro-epsilon.com/staticcontent/PDF/Prod_EN/Datas... APPLICATIONS TYPES : • Décalage, position, trajet, dilatation, dimension • Vibration, déviation, jeux, oscillations • Vibrations de palier, fente de lubrification, usure, déplacement • Battement radial de collecteur, rondeur, entrefer, graduation • Fente de compresseur / de turbine, nombre de tours • Impact, déformation, vibration ondulatoire axiale http://www.micro-epsilon.de/staticcontent/PDF/Prod_FR/Fiche_... 6.1.2 Paper Machine In the paper machine the paper is formed and most of the properties of the paper are determined. The paper machine is actually a large de-watering device consisting of a head box, a wire section, press section and dryer section. The most common machine design still to recent times is the Fourdrinier process in which the sheet is formed onto a continuous wire or fabric onto which the suspension of fibres is introduced from the headbox. Recently twin wire formers have been used for web formation and they have become the state-of-the-art design. In twin wire formers, the fibre suspension is led between two wires operating at the same speed, and is drained through one or both sides. There are different types of twin wire formers ***(e.g. gap formers. In gap formers the diluted stock is injected directly into the **gap** between the two wires)*** and combinations of Foudrinier and twin wires (hybrid formers). Figure 6.1 shows the key features of a paper machine. http://aida.ineris.fr/bref/brefpap/bref_pap/english/bref_gb_... 6.1.2 La machine à papier La machine à papier sert à former la feuille de papier et c'est là que sont déterminées la plupart des propriétés de ce dernier. En fait, cette machine est un large dispositif d'égouttage comprenant une caisse de tête, une section toile, une section presses et une section sécherie. Le principe encore le plus couramment utilisé de nos jours est le Fourdrinier à table plate. La feuille est formée sur une toile ou un tissu sans fin qui reçoit la suspension de fibres distribuée par la caisse de tête. Depuis peu, on utilise des tables de formation à deux toiles qui sont devenues habituelles. Dans ces tables de formation à deux toiles, la suspension de fibres est amenée entre deux toiles se déplaçant à la même vitesse, l'égouttage se faisant sur une face ou sur les deux. Il existe différents types de "formeur" à deux toiles (par exemple les tables de formation à **fente,** dans lesquelles la pâte diluée est injectée directement entre les deux toiles). http://aida.ineris.fr/bref/brefpap/bref_pap/francais/bref_fr... La formation de la feuille de papier-carton La pâte arrive ensuite dans une grande cuve (elle contient alors 97 % d'eau). De là, elle est envoyée par **une fente** sur une toile avançant en continu. La nappe formée s'égoutte, et est ensuite pressée sur des cylindres (il reste à ce stade 50 % d'eau !). Son parcours continue sur une série de cylindres chauffants qui permettent l'évaporation du reste de l'eau. En sortie, la feuille de papier s'enroule sur une grosse bobine. Ces bobines ont des largeurs variables (entre 7 et 9 mètres selon les usines), pour des poids allant de 30 à 50 tonnes. http://www.leroyer.fr/sections.php?op=viewarticle&artid=4 -------------------------------------------------- Note added at 2 days7 hrs (2007-04-30 03:47:35 GMT) Post-grading -------------------------------------------------- You're welcome, and thank you! |
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