Dab tsi yog qhov laum loj rau 1/8 NPT kais?
Txheem
Hauv tsab xov xwm no, kuv yuav pab koj txiav txim siab qhov raug xyaum thiab qhov loj me rau koj 1/8 "NPT kais.
NPT kais dej muaj cov xov tapered thiab muaj nyob rau hauv ntau qhov ntau thiab tsawg. Raws li tus kws tshaj lij craftsman, kuv paub tias nws tseem ceeb npaum li cas los xaiv qhov kev xyaum zoo li cas los ua lub qhov zoo meej rau 1/8 NPT kais dej. Txwv tsis pub, qhov tob thiab txoj kab uas hla ntawm lub qhov yuav tiv thaiv NPT kais los ntawm qhov chaw zaum zoo.
Txheeb xyuas daim ntawv ntsuas qhov tseeb txhawm rau txiav txim siab qhov kev xyaum ua kom raug rau 1/8 NPT kais. 11/32 "R" xyaum yog qhov zoo tagnrho rau kev txhim kho 1/8 "NPT kais dej.
Kuv yuav qhia koj ntxiv hauv qab no. Cia peb mus tob dua.
Kho qhov loj me me rau NPT kais dej
Nws yog ib qho tseem ceeb heev uas yuav tsum tau siv qhov kev xyaum ua kom raug rau nruab 1/8 NPT kais. Txwv tsis pub, 1/8 NPT kais yuav tsis tuav. Nws tuaj yeem tawg tawm ntawm cov khoom thiab ua rau muaj kev puas tsuaj.
Yog li cas qhov laum loj koj yuav tsum xaiv?
Koj yuav tsum xaiv 11/32, "R" xyaum thaum siv 1/8 NPT kais.
Kais 1/8 NPT
NPT (National Pipe Thread) cov kais dej feem ntau rov tsim cov xov puas lossis ua cov xov tshiab hauv cov kav dej.
Rau NPT, qhov tseeb xov seem yog tapered. Cov lej tsis sib haum rau qhov ntau thiab tsawg ntawm cov ntiv tes vim tias lawv (NPT kais dej) yog nyob ntawm qhov loj thiab cov yeeb nkab. (1)
Hauv qhov kev nkag siab no, txoj kab uas hla ntawm 1/8 "NPT kais tsis yog 0.125". Nws yog raws li cov xov ntawm qhov kawg ntawm 1/8 "pipe. Yog li ntawd, nws yog kwv yees li 0.405" nyob rau hauv "loj" txoj kab uas hla.
Cov xov, yeeb nkab kawg, thiab qhov ntawm 1/8 NPT taps yog tapered. Qhov nqaim ua rau lawv tsis tshua muaj dej thaum muab tso ua ke.
Yog li yog tias koj muab cov ntaub nplaum los yog cov yeeb nkab roj rau ntawm 1/8 NPT kais qhov chaw thiab ceev lawv kom nruj, koj yuav tsis pom muaj qhov xau. (2)
Cov ntawv tseem ceeb: Tsis txhob txiav 1/8 nti NPT kais zoo li tus kais dej li niaj zaus. Nws yuav tsum tsis txhob poob rau hauv cov khoom. Tsuas yog coj mus rhaub nws txaus kom tau txais lub taper zoo rau qhov haum.
Kuv pom zoo tapping nws mus rau 3/4 nti. Nias txhua txoj hauv qab yuav ua kom lub khob loj loj, ua rau nws loj heev.
Yuav Ua Li Cas Laum 1/8 NPT Kais
Drilling 1/8 NPT kais yog ib qho yooj yim:
Kauj ruam 1: Kos qhov chaw koj xav xyaum
Koj tuaj yeem siv cov cuab yeej tsim nyog, xws li tus cim, los kos qhov chaw.
Kauj Ruam 2: Tau txais qhov kev xyaum zoo
Raws li twb tau hais lawm, coj ib qho "R" xyaum, uas yog, xyaum nrog lub cheeb ntawm 11/32 ntiv tes.
Kauj Ruam 3: Laum lub qhov
Ua tib zoo tho rau hauv qhov chaw koj tau cim hauv thawj kauj ruam. Txij li thaum koj siv 11/32 xyaum, qhov tob thiab txoj kab uas hla ntawm lub qhov yuav zoo tagnrho rau 1/8 NPT kais, uas yuav haum snugly rau hauv lub qhov.
Kauj ruam 4: Nruab 1/8 NPT kais
Thaum kawg, nruab NPT kais rau ntawm qhov xyaum thiab muab tso rau ntawm cov khoom. Thaum lub sij hawm installation, coj mus rhaub rau 3/4 ntawm threaded ib feem raws li saum toj no.
Summing txog
Muaj qhov raug xyaum me ntsis yog qhov tseem ceeb thaum siv 1/8 NPT lossis lwm yam NPT loj kais. Qhov no ua kom muaj qhov zoo meej qhib thiab faucet installation. Koj tuaj yeem xa mus rau daim ntawv ntsuas ntsuas yog tias koj tsis nco qab qhov kev xyaum siv rau qhov muab NPT kais loj.
Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.
- Qhov loj ntawm 1/4 tapcon laum yog dab tsi?
- Yuav ua li cas laum tawm lub bolts tawg nyob rau hauv lub cav thaiv
- Yuav siv sab laug tes xyaum li cas
tswv yim pom zoo
(1) pie sizes - https://www.kingarthurbaking.com/blog/2019/05/28/the-best-pie-pan-youll-ever-own
(2) leak - https://www.sciencedirect.com/topics/earth-and-planetary-sciences/leakage
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