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jeu de différences

English translation: by measuring the deformation at these points

09:16 May 3, 2013
French to English translations [PRO]
Tech/Engineering - Automation & Robotics
French term or phrase: jeu de différences
patent to do with characterising surfaces by automated means.

"Les jauges sont alors compressées ou étirées, créant un déséquilibre des points E, F, G, H correspondant aux points de liaison entre deux jauges ...

Par un jeu de différences de ces points, il est possible d’obtenir trois tensions VX, VY et VZ qui sont liées, par une relation de proportionnalité, aux trois composantes Fpara, Fortho et Fnormale de la force perçue par le capteur d’effort respectivement selon les axes X, Y et Z représentés sur les figures du fait que l’un des axes de mesure (axe X) du capteur d’effort dans le plan de la surface étudiée soit parallèle à la direction de déplacement du capteur d’effort."

The only suggestion I have found for "jeu de différences" comes from Ernst: "game of differences" (field for this translation is "ord" which I think means "IT/computers" but the abbreviation card is missing).
Mpoma
United Kingdom
Local time: 09:21
English translation:by measuring the deformation at these points
Explanation:
jeu means also "amplitude of movement" as in "jeu de vis" how much the screw is loose/moving in relation to the nut,

here "jeu" is the movement of metal parts under effort/tension (deformation), which is an indication of the force applied to it as long as it's in the range of elastic deformation.
Measuring this "jeu" is way of measuring "les tensions" - same principle as a spring balance weighing scales, only the deformations are much smaller.




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Note added at 2 hrs (2013-05-03 12:15:04 GMT)
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the "deformation" of the metal is "the difference in position" / "the relative displacement" of this measuring points.

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Note added at 3 hrs (2013-05-03 12:25:26 GMT)
--------------------------------------------------

Par un jeu de différences de ces points, il est possible d’obtenir trois tensions VX, VY et VZ qui sont liées,

by measuring the deformation at these points, it is possible to deduct the values of the 3 related forces VX, VY et VZ

"... Stress and Strain

Stress
The term stress (s) is used to express the loading in terms of force applied to a certain cross-sectional area of an object. From the perspective of loading, stress is the applied force or system of forces that tends to deform a body. From the perspective of what is happening within a material, stress is the internal distribution of forces within a body that balance and react to the loads applied to it. The stress distribution may or may not be uniform, depending on the nature of the loading condition. For example, a bar loaded in pure tension will essentially have a uniform tensile stress distribution. However, a bar loaded in bending will have a stress distribution that changes with distance perpendicular to the normal axis. ..."

[http://www.ndt-ed.org/EducationResources/CommunityCollege/Ma...]
Selected response from:

Daryo
United Kingdom
Local time: 09:21
Grading comment
thank you - sorry about the delay in choosing
4 KudoZ points were awarded for this answer



Summary of answers provided
5by measuring the deformation at these points
Daryo


Discussion entries: 2





  

Answers


1 hr   confidence: Answerer confidence 5/5
par un jeu de différences de ces points
by measuring the deformation at these points


Explanation:
jeu means also "amplitude of movement" as in "jeu de vis" how much the screw is loose/moving in relation to the nut,

here "jeu" is the movement of metal parts under effort/tension (deformation), which is an indication of the force applied to it as long as it's in the range of elastic deformation.
Measuring this "jeu" is way of measuring "les tensions" - same principle as a spring balance weighing scales, only the deformations are much smaller.




--------------------------------------------------
Note added at 2 hrs (2013-05-03 12:15:04 GMT)
--------------------------------------------------

the "deformation" of the metal is "the difference in position" / "the relative displacement" of this measuring points.

--------------------------------------------------
Note added at 3 hrs (2013-05-03 12:25:26 GMT)
--------------------------------------------------

Par un jeu de différences de ces points, il est possible d’obtenir trois tensions VX, VY et VZ qui sont liées,

by measuring the deformation at these points, it is possible to deduct the values of the 3 related forces VX, VY et VZ

"... Stress and Strain

Stress
The term stress (s) is used to express the loading in terms of force applied to a certain cross-sectional area of an object. From the perspective of loading, stress is the applied force or system of forces that tends to deform a body. From the perspective of what is happening within a material, stress is the internal distribution of forces within a body that balance and react to the loads applied to it. The stress distribution may or may not be uniform, depending on the nature of the loading condition. For example, a bar loaded in pure tension will essentially have a uniform tensile stress distribution. However, a bar loaded in bending will have a stress distribution that changes with distance perpendicular to the normal axis. ..."

[http://www.ndt-ed.org/EducationResources/CommunityCollege/Ma...]

Daryo
United Kingdom
Local time: 09:21
Specializes in field
Native speaker of: Native in SerbianSerbian, Native in FrenchFrench
PRO pts in category: 4
Grading comment
thank you - sorry about the delay in choosing
Notes to answerer
Asker: thanks... following Chris' comment, would either of you care to say what you think of "by measuring the (relative?) displacement of these points"... (NB I am not the expert here!)

Asker: OK thanks


Peer comments on this answer (and responses from the answerer)
neutral  chris collister: If you insist on not using "difference", "strain" might be better than "deformation", which has overtones of permanent (plastic) deformation.//Yes, I'm perfectly aware of that, but for strictly elastic deformations, "strain" is a better term.
6 mins
  -> under increasing effort the deformation is first "elastic" (goes back to initial position after removing the load) it's only above the limit of elasticity that there's a permanent deformation.
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