![](/images/new-backgrounds/1214247/21424785x1.webp)
Français
kgf•cm |
| N•m | |
| 160 | ||
| 1600 |
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| (1390) |
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| 1400 |
| 140 |
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| (1218) |
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| 1200 |
| 120 |
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serrage | (1042) |
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1000 |
| 100 | |
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| (868) |
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de | 800 |
| 80 |
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(695) |
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Couple |
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600 |
| 60 | |
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| (521) |
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| 400 |
| 40 |
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| (347) |
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| 200 |
| 20 |
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| (174) |
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| 0 |
| 0 |
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(M10×30)
Boulon hautement extensible
Boulon ordinaire
0 | 1 | 2 | 3 |
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kgf•cm | N•m |
| (M12×45) |
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| 160 |
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| 1600 |
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| Boulon hautement | |||||||
| 1400 | 140 |
| extensible |
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| (1218) |
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| 1200 | 120 |
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serrage | (1042) |
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1000 | 100 |
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| (868) |
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de | 800 | 80 |
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| B | oulon ordina | ire | |||||||
Couple | (695) |
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600 | 60 |
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| (521) |
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| 400 | 40 |
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| (347) |
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| 200 | 20 |
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| (174) |
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| 0 | 0 |
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| 0 | 1 | 2 |
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| 3 |
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kgf•cm |
| N•m |
| (M14×50) |
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| 160 |
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| 1600 |
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| Boulon hautement |
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| (1390) |
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| extensible |
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| 1400 |
| 140 |
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| (1218) |
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| 1200 |
| 120 |
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serrage | (1042) |
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1000 |
| 100 |
| Boulon ordinaire |
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de | (868) |
| 80 |
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800 |
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Couple | (695) |
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600 |
| 60 |
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| (521) |
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| 400 |
| 40 |
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| (347) |
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| 200 |
| 20 |
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| (174) |
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| 0 |
| 0 |
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| 1 | 2 |
| 3 | |||||
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| 0 |
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Temps de serrage: sec
(Epaisseur de la plaque d’acier t = 3/8" (10 mm))
Temps de serrage: sec
(Epaisseur de la plaque d’acier t = 1" (25 mm))
Temps de serrage: sec
(Epaisseur de la plaque d’acier t = 1" (25 mm))
Boulon | Epaisseur de la |
| plaque d’acier t |
Ecrou
Fig. 15
*Le boulon suivant est utilisé.
Boulon ordinaire: degré de dureté 4,8
Boulon hautement extensible: degré de dureté 12,9
( | Degré de dureté: |
|
4 — Couple de serrage du boulon: 45.500 psi (32 kgf/mm2) | ||
8 — Résistance du boulon: 56.900 psi (40 kgf/mm2) | ) |
Fig. 16
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