1、NORME INTERNATIONALE INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEX)JYHAPOAHAR OPI-AHM3ALVUl l-l0 CTAHAPTW3ALW4ORGANISATION INTERNATIONALE DE NORMALISATION Filetages mtriques trapzodaux ISO - Dimensions de base /SO metric trapezoidal screw tbreads - Basic dimensions Premire dition - 1977-10-01
2、Corrige et rimprime - 1978-07-01 CDU 621.882.082.4 Rf. no : ISO 2904-1977 (F) Descripteurs : filetage, filetage trapzodal, spcification, profil, dimension, diamtre, pas de vis. Prix bas sur 6 pages AVANT-PROPOS LISO (Organisation internationale de normalisation) est une fdration mondiale dorganismes
3、 nationaux de normalisation (comits membres de IISO). Llaboration des Normes internationales est confie aux comits techniques de IISO. Chaque comit membre intress par une tude a le droit de faire partiedu comit technique correspondant. Les organisations internationales, gouvernementales et non gouve
4、rnementales, en liaison avec IISO, participent galement aux travaux. Les projets de Normes internationales adopts par les comits techniques sont soumis aux comits membres pour approbation, avant leur acceptation comme Normes internationales par le Conseil de IISO. La Norme internationale ISO 2904 a
5、t labore par le comit technique ISO/TC 1, Filetages, et a t soumise aux comits membres en juin 1976. Les comits membres des pays suivants lont approuve : Afrique du Sud, Rp. d Allemagne Autriche Belgique Brsil Canada Core, Rp. de Danemark Espagne Finlande France Hongrie Inde Irlande Italie Mexique N
6、orvge Nouvelle-Zlande Pays-Bas Pologne Roumanie Sude Suisse U.S.A. Les comits membres des pays suivants lont dsapprouve pour des raisons techniques : Japon U.R.S.S. 0 Organisation internationale de normalisation, 1977 l Imprim en Suisse NORME INTERNATIONALE ISO 29044977 (F) Filetages mtriques trapzo
7、daux ISO - Dimensions de base 1 OBJET ET DOMAINE DAPPLICATION La prsente Norme internationale spcifie les dimensions de base des filetages mtriques trapzodaux ISO conformes IISO 2902. Les valeurs se rapportent aux profils de base conformes IISO 2901. 2 RFRENCES ISO 2901, filetages mtriques trapzodau
8、x /SO - Profil de base et profils maximum de matire. ISO 2902, Filetages mtriques trapzodaux /SO - Vue densemble. 3 CALCUL Les valeurs donnes dans la prsente Norme internationale ont t calcules laide des formules suivantes : H, = 0,5 P Ha = H, i-a, = 0,5 P + a, h3 =H, +a C = 0,5 P + a, Z = 0,25 P= H
9、,/2 Dl =d-2H, =d-P D4 =d+2a, d3 =d-2h, dz = D, =d-2z=d-0,5P R, max. = 0,5 a, R, max. = a, o a, = vide fond de filet D4 = diamtre extrieur du filetage intrieur DZ = diamtre sur flancs du filetage intrieur Dl = diamtre intrieur du filetage intrieur d = diamtre extrieur du filetage extrieur : diamtre n
10、ominal dz = diamtre sur flancs du filetage extrieur d3 = diamtre intrieur du filetage extrieur HI = hauteur en prise du filet Ha = hauteur du filetage intrieur h3 = hauteur du filetage extrieur P = pas du profil 1 ISO 2904-1977(F) 4 PROFILS DE BASE (modifis) / Y / & / FIGURE /AV/ / Filetage intrieur
11、 TABLEAU 1 - Dimensions de base du profil de filetage Dimensions en millimtres P 1,5 2 3 4 5 6 7 8 9 10 12 14 16 18 20 22 24 28 32 36 40 44 aC 0,15 0,25 0,25 0,25 0,25 Ot5 Or5 0,5 Or5 0,5 0,5 1 1 1 1 1 1 1 1 1 1 1 I,=h, HI R, max. R, max. 03 1,25 1,75 2,25 2,75 3,5 4 4,5 5 0,75 1 1,5 2 2,5 3 0,08 0,
12、13 0,13 0,13 0,13 0,25 3,5 4 4,5 5 6 7 0,25 0,25 0,25 5,5 6,5 8 0,25 0,25 0,5 0,15 0,25 0,25 0,25 0,25 0,5 Or5 0,5 0,5 0,5 0,5 1 9 8 10 9 11 10 12 13 15 11 12 14 17 16 19 18 21 20 23 22 0,5 0,5 0,5 Of5 0,5 Ot5 0,5 Of5 0,5 0,5 1 1 1 1 1 1 1 1 1 1 a / / / / / L i a” 2 a” ISO 2904-1977(F) TABLEAU 2 - D
13、imensions de base Dimensions en millimtres Diamtre nominal Diamtre nominal PaS PaS d d P P Col. 1 Col. 1 1 Col. 2 1 Col. 3 Col. 2 Col. 3 8 8 1,5 13 9 9 1,5 1,5 2 2 10 10 1,5 1,5 2 2 11 11 2 2 3 3 . . 12 12 2 2 3 3 14 14 2 2 3 3 16 16 2 2 4 4 18 18 2 2 4 4 20 20 2 2 4 4 3 3 22 22 5 5 8 8 3 3 24 24 5
14、5 8 8 3 3 26 26 5 5 8 8 3 3 28 28 5 5 8 8 3 3 30 30 6 6 10 10 3 3 32 32 6 6 10 10 3 3 34 34 6 6 10 10 3 3 36 36 6 6 10 10 3 3 38 38 7 7 10 10 Diamtre sur flancs Diamtre extrieur Diamtre intdrieur d2=D2 04 63 Dl 7,250 8,300 6,200 6,500 8,250 9,300 7,200 7,500 8,000 9,500 6,500 7,000 9,250 l 10,300 I
15、8,200 8,500 9.000 10.500 7.500 8.000 10,000 I 11,500 I 8,500 9,000 9,500 11,500 7,500 8, 11,000 I 12,500 I 9,500 10,000 10,500 12,500 8,500 9,000 13,000 I 14,500 I 11,500 12,000 12,500 14,500 10,500 11,000 15,000 16,500 13,500 14,000 14,000 16,500 11,500 12,000 17,000 18,500 15,500 16,000 16,000 18,
16、500 13,500 14,000 19,000 20,500 17,500 18,000 18,000 20,500 15,500 16,000 20,500 22,500 18,500 19,000 19,500 22,500 16,500 17,000 18,000 23,000 13,000 14,000 22,500 24,500 20,500 21,000 21,500 24,500 18,500 19,000 20,000 25,000 15,000 16,000 24,500 26,500 22,500 23,000 23,500 26,500 20,500 21,000 22
17、,000 27,000 17,000 18,000 26,500 25,500 24,000 28,500 27,000 25,000 30,500 32,500 28,500 29,000 29,000 33,000 25,000 26,000 27,000 33,000 21 .ooo 22.000 32,500 34,500 30,500 31,000 31,000 35,000 27,000 28,000 29,000 35,000 23,000 24,000 34,500 36,500 32,500 33,000 33,000 37,000 29,000 30,000 31,000
18、37,000 25,000 26,000 36,500 38,500 34,500 35,000 34,500 39,000 30,000 31,000 - 33,000 39,000 27,000 28,000 I 3 ISO 29044977 (F) Dimensions en millimtres * 1 Diamtre nominal Pas Diamtre sur flancs Diamtre extrieur Diamtre intrieur d P d2 = D2 04 d3 Dl Col. 1 Col. 2 Col. 3 3 38,500 40,500 36,500 37,00
19、0 40 7 36,500 4 1,000 32,000 33,000 10 35,000 41,000 29,000 30,000 3 40,500 42,500 38,500 39,000 42 7 38,500 43,000 34,000 35,000 1 10 37,000 43,000 31,000 32,000 3 42,500 44,500 40,500 41,000 44 7 40,500 45,000 36,000 37,000 12 38,000 45,000 31,000 32,000 3 44,500 46,500 42,500 43,000 46 8 42,000 4
20、7,000 37,000 38,000 12 40,000 47,000 33,000 34,000 3 46,500 48,500 44,500 45,000 48 8 44,000 49,000 39,000 40,000 12 42,000 49,000 35,000 36,000 3 48,500 50,500 46,500 47,000 50 8 46,000 51,000 41,000 42,000 12 44,000 51,000 37,000 38,000 3 50,500 52,500 48,500 49,000 52 8 48,000 53,000 43,000 44,00
21、0 12 46,000 53,000 39,000 40,000 3 53,500 55,500 51,500 52,000 55 9 50,500 56,000 45,000 46,000 14 48,000 57,000 39,000 41,000 3 58,500 60,500 56,500 57,000 60 9 55,500 6 1,000 50,000 51,000 14 53,000 62,000 44,000 46,000 4 63,000 65,500 60,500 61,000 65 10 60,000 66,000 54,000 55,000 16 57,000 67,0
22、00 47,000 49,000 4 68,000 70,500 65,500 66,000 70 10 65,000 7 1,000 59,000 60,000 16 62,000 72,000 52,000 54,000 4 73,000 75,500 70,500 71,000 75 10 70,000 76,000 64,000 65,000 16 67,000 77,000 57,000 59,000 - 4 78,000 80,500 75,500 76,000 80 10 7 5,000 8 1,000 69,000 70,000 16 72,000 82,000 62,000
23、64,000 4 83,000 85,500 80,500 8 1,000 85 12 79,000 86,000 72,000 73,000 18 76,000 87,000 65,000 67,000 4 88,000 90,500 85,500 86,000 90 12 84,000 9 1,000 77,000 78,000 ISO 29044977 (F) Diamtre nominal * Pas Diamtre sur flancs Diamtre extrieur Diamtre intrieur d P d2 = D2 04 d3 Dl Col. 1 Col. 2 Col.
24、3 4 98,000 100,500 95,500 96,000 100 12 94,000 101,000 87,000 88,000 20 90,000 102,000 78,000 80,000 4 103,000 105,500 100,500 101,000 105 12 99,000 106,000 92,000 93,000 20 95,000 107,000 83,000 85,000 4 108,000 110,500 105,500 106,000 110 12 104,000 111,000 97,000 98,000 20 100,000 112,000 88,000
25、90,000 6 112,000 116,000 108,000 109,000 115 14 108,000 117,000 99,000 101,000 22 104,000 117,000 91,000 93,000 6 117,000 121,000 113,000 114,000 120 14 113,000 122,000 104,000 106,000 22 109,000 122,000 96,000 98,000 6 122,000 126,000 118,000 119,000 125 14 118,000 127,000 109,000 111,000 22 114,00
26、0 127,000 101,000 103,000 6 127,000 131,000 123,000 124,000 130 14 123,000 132,000 114,Ouo 116,000 22 119,000 132,000 106,000 108,000 6 132,000 136,000 128,000 129,000 135 14 128,000 137,000 119,000 121,000 24 123,000 137,000 109,000 111,000 6 137,000 141,000 133,000 134,000 140 14 133,000 142,000 1
27、24,000 126,000 24 128,000 142,000 114,000 116,000 6 142,000 146,000 138,000 139,000 145 14 138,000 147,000 129,000 131,000 24 133,000 147,000 119,000 121,000 6 147,000 151,000 143,000 144,000 150 16 142,000 152,000 132,000 134,000 24 138,000 152,000 124,000 126,000 6 152,000 156,000 148,000 149,000
28、155 16 147,000 157,000 137,000 139,000 24 143,000 157,000 129,000 131,000 6 157,000 161,000 153,000 154,000 160 16 152,000 162,000 142,000 144,000 28 146,000 162,000 130,000 132,000 6 162,000 166,000 158,000 159,000 165 16 157,000 167,000 147,000 149,000 28 151,000 167,000 135,000 137,000 6 167,000
29、171,000 163,000 164,000 170 16 162,000 172,000 152,000 154,000 28 156,000 172,000 140,000 142,000 8 171,000 176,000 166,000 167,000 175 16 167,000 177,000 - 157,000 159,000 28 161,000 177,000 145,000 147,000 , 8 5 ISO 29044977 (F) l3imancinnc on millimtres Y. * 11L.1 I.JIVI I.2 b, I , , , Diamtre no
30、minal Pas Diamtre sur flancs Diamtre extrieur Diamtre intrieur d P d2 = D2 04 d3 D-l Col. 1 Col. 2 Col. 3 8 176,000 181,000 171,000 172,000 180 18 171,000 182,000 160,000 162,000 28 166,000 182,000 150,000 152,000 8 181,000 186,000 176,000 177,000 185 18 176,000 187,000 165,000 167,000 32 169,000 18
31、7,000 151,000 153,000 8 186,000 191,000 181,000 182,000 190 18 181,000 192,000 170,000 172,000 32 174,000 192,000 156,000 158,000 8 191,000 196,000 186,000 187,000 195 18 186,000 197,000 175,000 177,000 32 179,000 197,000 161,000 163,000 8 196,000 201,000 191,000 192,000 200 18 191,000 202,000 180,0
32、00 182,000 32 184,000 202,000 166,000 168,000 8 206,000 211,000 201,000 202,000 210 20 200,000 212,000 188,000 190,000 36 192,000 212,000 172,000 174,000 8 2 16,000 22 1,000 211,000 2 12,000 220 20 2 10,000 222,000 198,000 200,000 36 202,000 222,000 182,000 184,000 8 226,000 23 1,000 22 1,000 222,00
33、0 230 20 220,000 232,000 208,000 210,000 36 212,000 232,000 192,000 194,000 8 236,000 241,000 23 1,000 232,000 240 22 229,000 242,000 2 16,000 218,000 36 222,000 242,000 202,000 204,000 12 244,000 251,000 237,000 238,000 250 22 239,000 252,000 226,000 228,000 40 230,000 252,000 208,000 210,000 12 25
34、4,000 26 1,000 247,000 248,000 260 22 249,000 262,000 236,000 238,000 40 240,000 262,000 218,000 220,000 12 264,000 27 1,000 257,000 258,000 270 24 258,000 272,000 244,000 246,000 40 250,000 272,000 230,000 12 274,000 28 1,000 267,000 268,000 280 24 268,000 282,000 254,000 256,000 40 260,000 282,000 238,000 240,000 12 284,000 291,000 277,000 278,000 290 24 278,000 292,000 264,000 266,000 44 268,000 292,000 244,000 246,000 12 294,000 30 1,000 287,000 288,000 300 24 288,000 302,000 274,000 276,000 44 278,000 302,000 254,000 256,000
