# Doubles battements

## English translation: Double runout

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 French term or phrase: Doubles battements English translation: Double runout Entered by:

 10:01 May 30, 2018
French to English translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / production faults
 French term or phrase: Doubles battements Context: Manque matière : Visuel Dimensionnel : Calibre, comparateur … Bavures => projecteur de profil, 3D optique Doubles battements, Harmonique => Round test Rugosité => Rugosimètre Note: not certain what the machine is producing or I might be able to come up with something. TIA Chris.
 BashiqaFrance Local time: 23:41
 Double runout Explanation:The tolerances applied to the notion of concentricity, runout or double runout between the axis of the valve guide and the axis of the valve seat also are very important yet remain within values relatively easy to guaranty. http://www.newen.pl/materialy/eng/QUALITY CRITERIA Brochure ... Représentation interactive 3D de la cylindricité, planéité et BATTEMENT total - en couleur mais aussi en maillage grille 3D representation of cylindricity, flatness and total RUN-OUT - color and also with auxiliary lines and interactive, internal graphic preview https://www.mahr.com/index.php?NodeID=10146 Try this... Cut a part then stop. Indicate where the cutter cut the part with an indicator then indicate the other side of the part. If you have .0006" 180 degrees away from the cutting point and zero at the point of cutting, I would suspect a bent spindle. Or at least something pushing it around. Bad bearings would cause DOUBLE RUNOUT and the .0006" would be 180 degrees from point of cut and the point of cut location would be more like .0003". https://www.cnczone.com/forums/machine-problems-solutions-wi...--------------------------------------------------Note added at 54 mins (2018-05-30 10:55:08 GMT)--------------------------------------------------GD&T Runout Definition In GD&T, runout tolerance is used to control the location of a circular part feature relative to its axis. This is different than circularity, which controls overall roundness. Runout is usually applied to parts with circular cross sections that must be assembled like drill bits, segmented shafts, or machine tool components. Runout helps to limit the axis offset of two parts to ensure they can spin and wear evenly. An example of runout tolerance is shown below. In the top figure the runout symbol is applied to the angled surface. The boxed symbols can be read “each circular element of this surface must have full indicator movement (FIM) of less than 0.1 relative to datum A”. The bottom figure shows a sample measurement taken at one cross section, but multiple measurements are required to verify runout. Note that the indicator is applied perpendicular to the measured surface, and that this tolerance controls only individual circular elements and not the whole surface simultaneously (see total runout). https://www.emachineshop.com/gdt-runout-definition/--------------------------------------------------Note added at 56 mins (2018-05-30 10:57:22 GMT)--------------------------------------------------Actually, the answer should be in the plural: double runouts, since the French was plural.
Selected response from:

Claire N.
Local time: 17:41
 Thank you.4 KudoZ points were awarded for this answer

2Double runout
 Claire N.

50 mins   confidence:
Double runout

Explanation:
The tolerances applied to
the notion of concentricity,
runout or double runout
between the axis of the
valve guide and the axis of the valve seat also are very
important yet remain within
values relatively easy to
guaranty.

http://www.newen.pl/materialy/eng/QUALITY CRITERIA Brochure ...

Représentation interactive 3D de la cylindricité, planéité et BATTEMENT total - en couleur mais aussi en maillage grille

3D representation of cylindricity, flatness and total RUN-OUT - color and also with auxiliary lines and interactive, internal graphic preview

https://www.mahr.com/index.php?NodeID=10146

Try this... Cut a part then stop. Indicate where the cutter cut the part with an indicator then indicate the other side of the part. If you have .0006" 180 degrees away from the cutting point and zero at the point of cutting, I would suspect a bent spindle. Or at least something pushing it around. Bad bearings would cause DOUBLE RUNOUT and the .0006" would be 180 degrees from point of cut and the point of cut location would be more like .0003".

https://www.cnczone.com/forums/machine-problems-solutions-wi...

--------------------------------------------------
Note added at 54 mins (2018-05-30 10:55:08 GMT)
--------------------------------------------------

GD&T Runout Definition

In GD&T, runout tolerance is used to control the location of a circular part feature relative to its axis. This is different than circularity, which controls overall roundness. Runout is usually applied to parts with circular cross sections that must be assembled like drill bits, segmented shafts, or machine tool components. Runout helps to limit the axis offset of two parts to ensure they can spin and wear evenly.

An example of runout tolerance is shown below. In the top figure the runout symbol is applied to the angled surface. The boxed symbols can be read “each circular element of this surface must have full indicator movement (FIM) of less than 0.1 relative to datum A”. The bottom figure shows a sample measurement taken at one cross section, but multiple measurements are required to verify runout. Note that the indicator is applied perpendicular to the measured surface, and that this tolerance controls only individual circular elements and not the whole surface simultaneously (see total runout).

https://www.emachineshop.com/gdt-runout-definition/

--------------------------------------------------
Note added at 56 mins (2018-05-30 10:57:22 GMT)
--------------------------------------------------

Actually, the answer should be in the plural: double runouts, since the French was plural.

 Claire N.Local time: 17:41Native speaker of: EnglishPRO pts in category: 55
 Thank you.

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