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[]
["b = ",30,"mm = largeur du plat à plier"]
["h = ",3,"mm = son épaisseur"]
["Sf = ",275,"MPa = Contrainte normale produisant sa déformation"]
["Ig /v (=W) = "," b *h² /6 = ",45,"mm³ = son module de résistance élastique en flexion"]
["L = ",5,"mm = une des caractéristiques de l'outillage (voir schéma)"]
[]
["Ø = ",8,"mm = diamètre de 'l'axe autour duquel on tourne' (un nom peut-être?)"]
["A = ",50.2656,"mm² = son aire cisaillée"]
["St = ","(MPa) la contrainte de cisaillement à laquelle il doit résister"]
[]
[null," Sf = Mf / (Ig /v) = définition de la contrainte normale en flexion"]
[" <=> ","Mf = Sf * (Ig /v)"]
[" <=> ","F *L = Sf * (Ig /v)  car Mf (moment de flexion) = dans ce cas  F *L"]
[" <=> ","F = (Sf * (Ig /v)) /L"]
[]
[null,"St = F / ( 2*A) = définition de la contrainte tangentielle max. résistante en double cisaillement"]
[" =>","St = ((Sf * (Ig /v)) /L) / (2 *A)  (avec F =  (Sf * (Ig /v)) /L vu plus haut)"]
[" => St = ",24.61922268907563,"MPa"]
[]
[" ==>> ","Re min. du matériau = ",null,{"v":49.2384453781513,"d":"49"}," MPa (avec Re = 2 *Reg)"]