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CSaungsomboon-FTT / FTT-Main

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OSU - Glowbar Backplate Buckling issue #17

Open CSaungsomboon-FTT opened 3 months ago

CSaungsomboon-FTT commented 3 months ago

Issue to document the problems with the OSU backplate. Issue was raised with Isovolta in Austria in 20/07/2023 service visit.

https://www.fire-testing.com/rate-of-heat-release-apparatus/

11315-000-1

CSaungsomboon-FTT commented 3 months ago

Plate buckling theory with stiffening solutions

Theory: https://byjus.com/physics/thermal-stress/ https://amesweb.info/StructuralAnalysisBeams/Thermal-Stress-Plate.aspx https://www.roymech.co.uk/Useful_Tables/Mechanics/Plates.html https://fgg-web.fgg.uni-lj.si/~/pmoze/esdep/master/wg08/l0100.htm https://fgg-web.fgg.uni-lj.si/~/pmoze/esdep/master/wg08/l0200.htm https://fgg-web.fgg.uni-lj.si/~/pmoze/esdep/master/wg08/l0300.htm

Solutions: https://fgg-web.fgg.uni-lj.si/~/pmoze/esdep/master/wg08/l0300.htm https://www.wevolver.com/article/5-ways-to-strengthen-your-sheet-metal-parts image

CSaungsomboon-FTT commented 3 months ago

OSU standard: E906-21.pdf

Selected mechanical requirements: image image image image image

CSaungsomboon-FTT commented 2 months ago

Will change to 321 SS at 2mm thickness.

Will increase diameter of mounting holes from 7.5 to 9.5(?), Will retain diameter of 4x mounting holes for positioning

CSaungsomboon-FTT commented 2 months ago

image