NF E27-151-1952 Cheese head rivets 《扁圆头铆钉》.pdf

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1、AFNL NF E279151 52 = LO12372 O090353 T89 f - RIVETS A TTE CYLINDRIE PLATE E 27F 151 NORME FRANCAISE HOMOLOGUE No-.sTbre 52 D:%c:s:z en m:l;imi.:ws D s IGNAT ION Exemple de dsignation dun rivet i tte cylindriquc plute, i tige fore, (le (tianiCtrc nominal A = 10 et de longueur D = 32 : Rivet Cf 10.32,

2、 NF E 27-151 Ces rivets sont en principe sans arrondi sous tte, cest-dire que le raccordement entre tCte et tisis se fait sous un rayon trs faible ne dpassant pas un maximum de 0,05 A. Rivet i tete cylindrique plate C o I Symbole : C Rivet i tSte cylindrique plate tige fore -)I D I :il I 1 (:ha-.,-.

3、 de prfrence les longueurs D dans la mme srie que les longueurs I des vis et des bouloiis, selon la nornie NF E 27-025 en y ajoutant les longueurs 32 et 38. DIMENSIONS 14 18 16 . I! 20 7 REMARQUES : a) Lpaisseur de la tige fore ne doit pas tre infrieure celle qui rsulterait de la demi diffrence ent

4、re la limite infrieure du diamtre extrieur et la limite suprieure du diamtre intrieur de la tige. b) Les rivets dusage courant sont ceux 5 tte ronde sans bavure, NF E 27-153. REFERENCE Tolrances . . . , , . . . . , . . . . . . . . . . . . . . . . . . . . . , . . . . . . NF E 27-155. - AFNOR Celte norme remp!nce la nome de mme indice, homologue en fvrier 1946. - Homologue le 30 novembre 1952 1.0. du 5-2-53 J, BRARD - MBN COPYRIGHT AFNOR Association Francaise De NormalisationLicensed by Information Handling Services

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