Porcas sextavadas e flangeadas em aço de binário predominante, série em polegadas (IFI 100/107)
Este produto é regulamentado pelas seguintes normas:
Porcas sextavadas e flangeadas em aço de binário predominante, série em polegadas (IFI 100/107)
|
Dimensões em polegadas (1 polegada=25,4 mm) fonte IFI 100-107 tabela 2 - porcas sextavadas normais e leves de binário predominante
|
|
d Tamanho da rosca
|
UNC (nº de roscas x polegada)
|
UNF (nº de roscas x polegada)
|
F básico |
G mínimo |
H máximo Inserção superior |
H máx. Todos os tipos de metal |
J mín |
| polegadas |
mm |
Série regular |
Série leve |
Série regular |
Série leve |
| 4 |
2,84 |
40 |
48 |
| 0,25 |
0,275 |
0,275 |
0,163 |
0,163 |
|
| 6 |
3,51 |
32 |
40 |
| 0,313 |
0,344 |
0,344 |
0,188 |
0,171 |
|
| 8 |
4,17 |
32 |
36 |
0,344 |
0,344 |
0,378 |
0,378 |
0,239 |
0,191 |
|
| 10 |
4,83 |
24 |
32 |
| 0,375 |
0,413 |
0,413 |
0,249 |
0,241 |
|
| 12 |
5,49 |
24 |
28 |
| 0,438 |
0,482 |
0,482 |
0,328 |
0,241 |
|
|
1/4
|
6,35 |
20 |
28 |
| 0,438 |
0,488 |
0,488 |
0,328 |
0,288 |
|
|
5/16
7,94 |
18
24
| 0,5 |
0,557 |
0,557 |
0,359 |
0,336 |
|
|
3/8
|
9,53 |
16 |
24 |
| 0,56 |
0,628 |
0,628 |
0,469 |
0,415 |
|
|
7/16
|
11,11 |
14 |
20 |
| 0,69 |
0,768 |
0,768 |
0,524 |
0,463 |
|
|
1/2
|
12,70 |
13 |
20 |
| 0,75 |
0,84 |
0,84 |
0,609 |
0,573 |
|
|
16/09
|
14,29 |
12 |
18 |
| 0,875 |
0,98 |
0,98 |
0,656 |
0,621 |
|
|
5/8
|
15,88 |
11 |
18 |
| 0,94 |
1,05 |
1,05 |
0,765 |
0,731 |
|
|
3/4
|
19,05 |
10 |
16 |
| 1,06 |
1,24 |
1,19 |
0,89 |
0,827 |
|
|
7/8
|
22,23 |
9 |
14 |
| 1,25 |
1,447 |
1,4 |
1 |
0,922 |
|
|
1
|
25,40 |
8 |
12 |
| 1,44 |
1,653 |
1,62 |
1,124 |
1,018 |
|
| 1-1/8 |
28,58 |
7 |
12 |
| 1,63 |
1,86 |
1,83 |
1,281 |
1,176 |
|
| 1-1/4 |
31,75 |
7 |
12 |
| 1,82 |
2,066 |
2,05 |
1,422 |
1,272 |
|
| 1-3/8 |
34,93 |
6 |
12 |
2,273 |
2,26
1,609
1,4
1,4 0,681
| 1-1/2 |
38,10 |
6 |
12 |
| 2,188 |
2,48 |
2,47 |
1,671 |
1,53 |
0,757 |
|
Dimensões em polegadas (1 polegada=25,4 mm) fonte IFI 100-107 tabela 3 - porcas de flange sextavadas de binário predominante
|
|
d Tamanho da rosca
|
UNC (número de roscas x polegada)
|
UNF (número de roscas x polegada)
|
F básico
|
G min
|
H máx |
K min |
J min |
| polegadas |
mm |
|
1/4
|
6,35 |
20 |
28 |
0,438 |
| 0,3 |
0,04 |
0,14 |
|
5/16
|
| 18 |
24 |
0,5 |
0,557 |
0,365 |
0,17 |
|
3/8
| 9,53 |
16 |
| 0,56 |
0,628 |
0,425 |
0,06 |
0,2 |
|
7/16
|
11.11 |
14 |
20 |
0.69 |
0,495 |
0,07
0,23
0,23
0,23
0,23
0,23
0,23
1/2
1/2
0,23 12,70
13 |
20 |
0,75 |
0,84 |
0,555 |
| 0,26 |
|
16/09
|
14,29 |
12 |
| 0,875 |
0,98 |
0,625 |
0,09 |
0,29 |
|
5/8
|
15,88 |
11 |
18 |
0,94 |
| 0,69 |
0,1 |
0,32 |
|
3/4
|
10 |
16
1,06
1,19
0,825
0,825 0,11
0,38 |
Lista completa de fornecedores de Porcas sextavadas e flangeadas em aço de binário predominante, série em polegadas (IFI 100/107)
A norma IFI 100-107 abrange os requisitos dimensionais e mecânicos de três graus (A, B, C) de porcas sextavadas de aço com binário predominante e dois graus (F, G) de porcas sextavadas de flange de aço com binário predominante. Existem ainda três projetos base: a) construção totalmente metálica, numa só peça, que gera o binário predominante a partir da distorção da rosca da porca; b) porcas metálicas com a adição de um tampão ou remendo de inserção não metálico na rosca; c) porcas de construção em duas peças com um anel completo de material não metálico, geralmente inserido e retido na superfície superior.
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