Video: Lub zog 3/4 Bolt muaj ntau npaum li cas?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Tightening Torque Guide rau Qib 5 & 8 Hex Cap Screws
| QIB 5 | ||
|---|---|---|
| Xov xwm | ||
| 5/8-11 (.625) | 14400 | 112 ft ib. |
| 3/4 -10 (.750) | 21300 | 200 ft lbs. |
| 7/8-9 (.875) | 29475 | 322ft wb. |
Hauv qhov no, qhov torque rau 3/4 a325 bolt yog dab tsi?
A325
| Bolt Loj | TPI | Tightening Torque Range |
|---|---|---|
| Min - Max | ||
| 1⁄2 | 13 | 50 – 58 |
| 5⁄8 | 11 | 99 – 120 |
| 3⁄4 | 10 | 175 – 213 |
Ib qho ntxiv, qhov luaj li cas ntsia liaj qhov rooj muaj 3/4 lub taub hau? Teb Chaws Asmeskas Lub Taub Hau Taub Hau/Qhov Caj Npab Loj
| Ntsia taub hau | Lub taub hau thiab Qhov Cuab Yeej Loj | |
|---|---|---|
| Hex Bolt - Lag Bolt - Square Bolt | Hnyav Hex Bolt | |
| 3/8" | 9/16" | - |
| 7/16" | 5/8" | - |
| 1/2" | 3/4" | 7/8" |
Tib neeg kuj nug, bolt torque xam li cas?
- T = Lub hom phiaj zawm torque hauv ko taw-phaus. [Rau qhov ntsuas hauv N-m, siv cov ntsuas ntsuas rau D thiab P thiab faib los ntawm 1000]
- k = Coefficient ntawm kev sib txhuam (txiv ntseej yam), nws txawv ntawm hom roj nplua nyeem.
- D = Bolt lub nominal txoj kab uas hla (inch, mm)
- P = Bolt qhov xav tau load (lb, N)
Dab tsi yog zawm torque rau bolts?
Torque Tightening thiab Preload Principally muaj peb qhov sib txawv " lub zog cov khoom ": lub zog mus stretch ntsia liaj qhov rooj . lub zog kom kov yeej kev sib txhuam hauv ntsia liaj qhov rooj thiab txiv ntseej xov. lub zog txhawm rau kov yeej kev sib txhuam ntawm lub ntsej muag txiv ntseej lub ntsej muag (tiv tauj nto)
Pom zoo:
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