Glossary entry

English term or phrase:

anti-creep

French translation:

dispositif anti-dérive

Added to glossary by FX Fraipont (X)
Jan 29, 2019 09:44
5 yrs ago
1 viewer *
English term

anti-creep

English to French Tech/Engineering Mechanics / Mech Engineering Assembly cell
Le terme est issu d'un manuel technique sur une cellule d'assemblage
Contexte :
"manually place the **anti-creep** on upper pulleys (in the upper positions no bushings are placed, the **anti-creep** itself acts as such)."

Sur l'image qui suit, cela ressemble à une bague en plastique que l'on vient poser sur la poulie et qui la recouvre entièrement, cependant je n'arrive pas à trouver le terme équivalent en français.
Proposed translations (French)
4 +1 dispositif anti-dérive
Change log

Jan 30, 2019 10:52: FX Fraipont (X) Created KOG entry

Proposed translations

+1
21 mins
Selected

dispositif anti-dérive

maintient la courroie sur la poulie

"En fonctionnement, la poulie et la courroie génèrent un couple action/réaction instable, avec comme conséquences « l’envie » de la courroie de quitter la zone qu’on lui a dédiée sur la poulie (la dérive), et celle de la poulie de se débarrasser de ce fardeau (l’échappement). La solution passe par la recherche de la forme idéale que doit prendre la poulie pour supprimer la dérive de la courroie"
https://www.currants.info/images/image@micromega/Epure/epure...

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Note added at 1 hr (2019-01-29 11:03:55 GMT)
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"What is the phenomenon of creep in belt drives?

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5 Answers
Shreeyash Chiddarwar
Shreeyash Chiddarwar, studied at Sikkim Manipal Institute of Technology (2018)
Answered Feb 20 2017 · Author has 71 answers and 72.1k answer views
Originally Answered: What is the phenomenon of “creep” in belt drives?

When the belt moves over the pulley to transmit power, the tension in the tight side is more than than the tension in slack side. As the belt material is elastic, it elongates more on tight side than on slack side, resulting in unequal stretching on two sides of the drive.

Therefore, the length of the belt received by the driving pulley is more than the length that moves of the driving pulley. Hence, belt must creep back slightly relative to driving pulley rim. On the other hand, the length of the belt received by the driven pulley is less than the length that moves of the driven pulley. Hence, the belt must creep forward slightly relative to driven pulley rim.

This motion of belt relative to driving and driven pulley due to unequal stretching of the two sides of the drive is known as creep. The effect of creep back on the driving pulley is to slow down the speed of the belt with respect to driving pulley and the effect of creep forward on the driven pulley is to slow down the speed of driven pulley. Thus the net effect of creep is to reduce the speed ratio than the theoretical expected.

Difference between slip and creep.

Creep is due to the elastic property of belt whereas, the conventional slip is due to insufficient frictional grip between the belt and pulley. However, the effect of the creep as well as slip is to reduce the speed ratio, and hence power transmission."
https://www.quora.com/What-is-the-phenomenon-of-creep-in-bel...
Peer comment(s):

agree Tony M : Yes, it's to avoid gradual 'glissement' — nothing here about the deformation of materials!
20 mins
Thanks Tony!
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4 KudoZ points awarded for this answer. Comment: "Merci beaucoup !"
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