2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-15 04:12
Txhua tus neeg yuav tsum siv xaim tsawg kawg ib zaug hauv nws lub neej. Nws cov skein tuaj yeem pom nyob hauv cov khoom siv ntawm ib tus tswv muaj nyiaj, txij li koj tsis tuaj yeem ua yam tsis muaj cov khoom no hauv lub neej txhua hnub. Txawm hais tias muaj kev xaiv loj ntawm cov khoom lag luam, BP hlau, uas tau tsim nrog cov kab sib txawv hla ntu, yog qhov xav tau tshwj xeeb.
Nws yog dab tsi?
BP hlau yog cov khoom siv hlau ntev ua los ntawm cov hlua lossis xov. Nws kuj tseem hu ua txhawb nqa xaim. Cov khoom no yog tsim los ntawm cov pa roj carbon tsawg, uas muaj txog li 0.25% carbon . Hom xaim no yog tus yam ntxwv ntawm qhov muaj corrugation ntawm ob sab, thaum ob sab muaj ob sab du. Cov khoom lag luam tau muab muag rau hauv cov kauj uas hnyav los ntawm 20 txog 100 kg.
Cov hlau no tuaj yeem muaj txoj kab uas hla ntawm 3, 0, 3, 8, 4, 0 thiab 5.0 hli. Nws txoj kab hla feem ntau yog puag ncig, txawm hais tias ntawm kev muag khoom koj tuaj yeem pom cov duab nrog cov duab txiav thiab oval. Hauv kev tsim khoom, cov khoom tau muab faib ua tsib chav kawm tseem ceeb, thawj tus lej tom qab lub npe BP qhia txog chav kawm muaj zog.
Kev tsim khoom tau ua tiav raws li cov qauv tsim ntawm GOST, nws tsis raug tso cai kom muaj kev sib tw, ntuav . Ib qho ntxiv, cov xaim yuav tsum muaj cov cuab yeej siv siab: nws yuav tsum tiv taus qee tus lej khoov thiab muaj lub zog tawg zoo. Nws txoj kev tswj hwm tau ua tiav hauv kev tsim khoom los ntawm cov txheej txheem tshwj xeeb (kuaj). Cov khoom no yog tsim los ntawm txoj hauv kev txias txias ntawm txoj hlua hlau hlau, uas rub los ntawm kev tuag (qhov) siv cov cuab yeej tshwj xeeb. Qhov hnyav ntawm ib lub 'meter' xaim nrog txoj kab uas hla ntawm 3 hli yog 0.052 kg, 4 mm - 0.092 kg thiab 5 mm - 0.14 kg.
Hom kev txheeb xyuas
Niaj hnub no, BP xaim tau nthuav tawm hauv khw hauv ntau hom, txhua tus uas yog tus yam ntxwv ntawm nws tus kheej lub zog ua haujlwm thiab lub hom phiaj.
NPE-1 . Nws yog cov khoom lag luam corrugated nrog thais. Nws lub hom phiaj tseem ceeb yog txhawm rau txhawm rau txhim kho cov khoom siv ntxiv (piv txwv li, xis mas). Qhov zoo tseem ceeb ntawm hom no yog lub zog siab, zoo zoo, ua tau ntev thiab tus nqi pheej yig. Tsis muaj qhov poob qis.
BP-2 . Cov hlau no tau tsim raws li GOST 7348-81 los ntawm cov qib zoo carbon hlau qib 75, 80 thiab 85. Hom hlau no tuaj yeem muaj ob chav kawm muaj zog: 1400 thiab 1500 n / mm2. Raws li rau sab hauv txoj kab uas hla ntawm cov hlua hlau, nws tuaj yeem yog 1000 txog 1400 hli. Qhov zoo - zoo, tus nqi pheej yig. Rho tawm - lub zog tawg yog tsawg dua 400 kgf.
NPE-3 . Cov khoom txias txias ua los ntawm cov pa roj carbon. Nws yog tus yam ntxwv los ntawm kev nruj, tsis kub tsis kam, lub zog. Muab rau hauv skeins ntawm ntau qhov sib txawv. Tsis muaj qhov poob qis.
NPE-4 . Hlau xaim rau kev txhawb nqa cov pob zeb ua kom muaj zog ntxiv. Nws yog tsim los ntawm cov hlau qib 65, 70, 80 thiab 85. Cov theem ntawm cov hniav nyob hauv hom hlau no yog 3 hli, qhov tob yog 0.25 hli, qhov ntev ntawm qhov nthuav tawm yog 1 hli, lub zog tawg yog los ntawm 1085 kgf. Tsis muaj qhov poob qis.
NPE-5 . Khaub thuas kos qis cov hlau uas muaj cov cuab yeej siv siab ntawm cov kab me me. Tsis pom qhov ua tsis tau zoo.
Daim ntawv thov thaj tsam
BP hlau yog qhov xav tau ntau hauv ntau qhov haujlwm. Feem ntau nws tau siv hauv kev tsim kho rau kev txhawb nqa cov khoom me me uas muaj cov pob zeb ua kom muaj zog, cov hauv paus, hauv kev tsim cov plag tsev tus kheej thiab hauv kev ua haujlwm plastering. Tsis tas li ntawd, cov khoom siv hauv kev tsim khoom ntawm txoj kev thiab masonry nets, txwv, paving slabs, kho vajtse, ntsia hlau, springs, electrodes thiab cables. Cov khoom lag luam tau pom dav faib hauv tsev neeg.
Pom zoo:
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