camage

English translation: spalling

13:30 Apr 5, 2014
French to English translations [PRO]
Tech/Engineering - Electronics / Elect Eng
French term or phrase: camage
Expert's report for insurance case. One of those heavy metal machines we all love.

"Pour sa part, XXX considère que les coussinets ont été détériorés par l’abrasion de particules véhiculées par le combustible, générant les irrégularités d’allure de surface constatées (camage ou beurrage), et considère en outre qu’il y a un nombre élevé d’heures d’exploitation du moteur et une mauvaise séparation du fioul et de l’huile de lubrification."

"Le camage est un phénomène similaire, affectant les soies des manetons, ce qui ne peut que rétrécir l’interface entre le coussinet et le maneton et générer des risques de perte de lubrification."

"YYY affirme que cette durée de vie correspond à une usure générale, et non à des risques de phénomènes de camage ou de beurrage ;"
Mpoma
United Kingdom
Local time: 04:54
English translation:spalling
Explanation:
I'm not perfectly sure about this, as spalling (local removal of material) usually occurs in roller or ball bearings. However, plain journal bearing surfaces (soies) can suffer from local welding and asperities due to poor lubrication - this may be your "beurrage". However, see the excellent article http://www.nrel.gov/wind/pdfs/day2_sessioniii_4_timken_evans... on all forms of bearing damage.
Selected response from:

chris collister
France
Local time: 05:54
Grading comment
used this in the end, thanks
4 KudoZ points were awarded for this answer



Summary of answers provided
4cam set (set of cams, ie. camshaft)
Johannes Gleim
4fretting
Johannes Gleim
2 +1spalling
chris collister


Discussion entries: 1





  

Answers


3 hrs   confidence: Answerer confidence 2/5Answerer confidence 2/5 peer agreement (net): +1
spalling


Explanation:
I'm not perfectly sure about this, as spalling (local removal of material) usually occurs in roller or ball bearings. However, plain journal bearing surfaces (soies) can suffer from local welding and asperities due to poor lubrication - this may be your "beurrage". However, see the excellent article http://www.nrel.gov/wind/pdfs/day2_sessioniii_4_timken_evans... on all forms of bearing damage.

chris collister
France
Local time: 05:54
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 353
Grading comment
used this in the end, thanks

Peer comments on this answer (and responses from the answerer)
agree  Johannes Gleim: aussi possible
2 hrs
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5 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
cam set (set of cams, ie. camshaft)


Explanation:
camage /ka.maʒ/ masculin
1. Ensemble des cames.
o Arbre de camage.
http://fr.wiktionary.org/wiki/camage

CAMAGE (s. m.)[ka-ma-j']
Ensemble des cames. Arbre de camage.
http://dictionnaire.sensagent.com/camage/fr-fr/

camshaft n (rotating part of an engine) arbre à cames nm
http://www.wordreference.com/enfr/camshaft

Dynamic Adjustment of the Carriage-Tape Brushes
:
4. Start the carriage by pressing the start key. Stop the carriage by pressing the camage-stop key.
:
Figure 68. Carriage-Tape Brush Assembly Adjustment
:
Print Density Control
Take this adjustment only after the hammer unit has been properly located in the printer.
1. Loosen the setscrews in the cam at the bottom of the vertical shaft.
http://ibm-1401.info/1403FieldEngineeringMaintenanceManual.p...

The camshaft’s stock base circle permits the use of stock pushrods.
:
625: Cam set designed for 95” or larger engines with compression ratios between 10.0 and 10.75:1. 3000-6000 rpm.
http://www.sscycle.com/tech-info/camshaft-overview-and-cam-s...

Last, but not least images for „camshaft“ „cam set“
https://www.google.de/search?q="camshaft" "cam set"&tbm=isch...
and “cam set” alone:
https://www.google.de/search?q="camshaft" "cam set"&tbm=isch...


Johannes Gleim
Local time: 05:54
Specializes in field
Native speaker of: German
PRO pts in category: 165
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5 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
fretting


Explanation:
Autre signification du domaine de soudage qui peut être plus pertinente en raison de contexte :

En cherchant un terme qui signifie les défauts de surface des cames j'ai rencontré le terme « beurrage »

http://www.lamsid.cnrs-bellevue.fr/vf/actualites/Presentatio...
Seite 16 : Multipasse (beurrage, soudage) (currently not available)

http://www.freepatentsonline.com/EP0715922.html
Le procédé suivant la présente invention est un procédé de soudage par fusion de pièces de fonte à graphite sphéroïdal, par la technique du beurrage, qui comporte les étapes suivantes :
• a) on effectue un préchauffage à une température comprise entre 230 et 300°C, puis un beurrage de la zone de la pièce à souder ;
• b) on applique au beurrage un traitement thermique à une température comprise entre 800 et 920°C pendant une durée appropriée, puis on effectue un cycle de refroidissement ;
• c) on effectue à nouveau un préchauffage du beurrage à une température comprise entre 130 et 200°C, et on procède à un soudage de finition (remplissage ou assemblage).

http://www.proz.com/kudoz/english_to_french/tech_engineering...
Le GDT réfère justement au beurrage, terme utilisé en soudure pour décrire le "Rechargement préalable des bords à souder, suivi du soudage proprement dit."
http://dict.leo.org/forum/viewUnsolvedquery.php?idThread=915...

qui m’évoquais le terme Anglaise « building up »

BEARING FAILURE
:
FRETTING
Appearance:
Bearing back polished from movement in housing. Areas of pock marks or build-up due to metal transfer between bearing and housing.
Causes:
Insufficient crush. Oversize housing. Bearing cap not torqued properly. Foreign object between cap and housing faces. Over-stressed cap bolts.
http://www.advantageengineparts.com/pdfs/Bearingfailure.pdf


Johannes Gleim
Local time: 05:54
Specializes in field
Native speaker of: German
PRO pts in category: 165
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