Cov ntsia hlau tooj dag thiab cov hlau tsis xeb - lawv siv qhov twg?

Vim nws cov yam ntxwv, cov ntsia hlau tooj dag tau raug xaiv los ntawm cov neeg siv khoom. Cov hom tshwj xeeb twg nrov tshaj plaws thiab lawv siv rau dab tsi? Cov lus teb rau cov lus nug no tsim nyog paub!
Tooj dag yog ib qho ntawm cov hlau sib xyaw uas siv ntau tshaj plaws. Qhov nthuav yog, nws tau nrov heev hauv Middle Ages, thaum qee qhov kev lag luam pib loj hlob sai. Qhov tseeb, tooj dag yeej ib txwm nrog peb lub neej txhua hnub. Phaj, lub qhov rooj, cov khoom siv thiab txawm tias nyiaj - nws yooj yim pom.
Thaum peb saib cov ntsia hlau tooj dag, peb pom tau tias muaj ntau hom. Kev lees paub ntawm cov kev muab ntau yam tshwj xeeb tshaj yog nyob rau hauv lub vev xaib Stalmut, qhov chaw uas peb paub tseeb tias yuav pom cov ntawv theej nthuav. Peb yuav sai sai no pom tias muaj ntau qhov ntau thiab tsawg thiab xim ntawm cov ntsia hlau hauv khw. Ua ntej, tooj dag yog ib qho sib xyaw ntawm ob hom hlau, tooj liab thiab zinc. Tsis tas li ntawd, nws tuaj yeem ntxiv lwm yam khoom. Feem ntau yog txhuas, silicon, txhuas lossis chromium. Xim ntawm cov ntsia hlau tooj dag nyob ntawm cov zinc ntsiab lus ntawm cov hlau.
Cov khoom sib xyaw ua ke feem ntau yog nruab nrab ntawm 8.4 thiab 8.7 g / dm3. Qhov no txhais tau tias nws hnyav dua li hlau me ntsis. Cov ntsia hlau tooj dag muaj ntau yam tseem ceeb uas ua rau lawv cov kev ua tau zoo muaj txiaj ntsig zoo heev. Ua ntej, lawv tiv taus corrosion. Ntxiv mus, lawv coj thiab ua hluav taws xob zoo meej. Tsis tas li ntawd, vim yog cov khoom tshwj xeeb ntawm tooj liab, lawv kuj muaj cov khoom tua kab mob.
Vim lawv daim ntawv thov, cov ntsia hlau tooj dag ua lub luag haujlwm tseem ceeb hauv kev tsim cov tshuab thiab cav, cov ntsia hlau marine thiab cov khoom rau kev lag luam tshuaj lom neeg, kev sib txuas lus, marine thiab aviation. Tau kawg, tooj dag kuj tseem siv los tsim cov bolts, txiv ntoo, washers, screws, threaded rods thiab lwm yam khoom ntsia hlau, tshwj xeeb tshaj yog rau kev sib txuas zoo li qub.
Qhov tseeb, cov ntsia hlau nrog peb txhua hnub, tab sis feem ntau peb tsis quav ntsej. Txawm li cas los xij, peb lub ntiaj teb tsis tuaj yeem txhim kho yam tsis muaj lawv. Rau qhov no, txhua tus DIYer yuav tsum muaj tsawg kawg yog cov ntsia hlau yooj yim tshaj plaws. Ua tsaug rau qhov no, nws yuav muaj peev xwm kho lossis sib sau ua ke ib yam khoom yog tias tsim nyog. Tib lub sijhawm, nws tsim nyog xaiv cov ntsia hlau tooj dag, vim tias lawv tau ua rau lawv tsis yooj yim hloov pauv. Tsis tas li ntawd, lawv yooj yim nrhiav tau thiab pheej yig.
Yog xav paub ntxiv txog cov ntsia hlau stainless hlau, mus saib: https://www.czerwonafurtka.pl/jakie-sruby-ze-stali-nieredzewnych-sa-najczesszym-stosowane/.
Cov Nceb Taub Hau Xub Pwg - Feem ntau siv los koom nrog cov qauv ntoo lossis cov qauv uas kov ncaj qha rau daim tawv nqaij. Peb feem ntau pom lawv ua ib qho ntawm cov khoom ntawm lub rooj zaum, laj kab lossis ib feem ntawm laj kab.
Cov Flange Bolts - Lawv qhov tshwj xeeb txhais tau tias peb pom lawv feem ntau hauv kev lag luam tsheb. Lawv yog ib feem ntawm kev ncua, lub kaw lus nres lossis lub kaw lus tswj.
Cov ntsia hlau taub hau countersunk nrog lub qhov (socket) hexagon - Piv txwv ntawm hom no yog siv rau hauv kev lag luam tsheb, kev tsim kho tshuab thiab cov khw muag xauv.
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Lub vas sab no siv cov ncuav qab zib los muab kev pabcuam zoo tshaj plaws. Thaum koj siv lub vas sab no, koj pom zoo rau lawv siv. Thov saib peb Txoj Cai Tswjfwm Ntiag Tug thiab kev lees txais cov ncuav qab zib.