Dab tsi yog cov khoom siv rau cov txiv ntseej thiab bolts?
Txiv ntseej thiab bolts nyob rau hauv kev ua lag luam yog ua los ntawm ntau yam ntaub ntawv, xws li yas, stainless hlau, non{0}}ferrous hlau, thiab ceramics. Kab lus no yuav tsom rau graphite ceev thiab bolts!
Nyob rau hauv kev lag luam teb uas cov tsoos hlau fasteners tsis txaus vim qhov kub thiab txias thiab muaj zog corrosion, nrhiav kev txhim khu kev qha thiab ruaj khov kev daws teeb meem yog qhov tseem ceeb. Graphite, ib yam khoom qub uas tsis tau muaj tag nrho ntawm kev siv thev naus laus zis niaj hnub no, tab tom hloov kho cov txheej txheem fastening ntawm cov cuab yeej tseem ceeb nrog nws cov khoom tshwj xeeb. Peb cov kws tshaj lij muab graphite bolts thiab txiv ntseej yog tsim los daws cov teeb meem kev sib txuas hauv kev ua haujlwm hnyav, muab kev nyab xeeb thiab muaj txiaj ntsig zoo rau kev lag luam ntau.
Tus nqi tseem ceeb ntawm graphite bolts thiab txiv ntseej stems los ntawm cov khoom tshwj xeeb ntawm cov khoom. Ua ntej, lawv muaj qhov zoo heev - qhov kub thiab txias tsis kam, muaj peev xwm tiv taus qhov kub thiab txias mus txog 3000℃hauv cov pa oxygen- ib puag ncig pub dawb rau lub sijhawm ntev, ntau tshaj li cov khoom siv hlau, thiab lawv lub zog txawm tias qhov kub thiab txias. Thib ob, graphite muaj cov tshuaj lom neeg zoo heev, muaj zog tiv thaiv rau feem ntau cov kua qaub, alkalis, thiab cov kuab tshuaj organic, ua rau nws tshwj xeeb tshaj yog haum rau cov cheeb tsam corrosive. Tsis tas li ntawd, graphite nws tus kheej yog tus kheej zoo heev -cov khoom siv lubricating nrog cov coefficient qis ntawm kev sib txhuam, zoo tiv thaiv xov seizing thiab yooj yim installation thiab disassembly. Nws lub teeb yuag, qis coefficient ntawm thermal expansion, thiab zoo hluav taws xob thiab thermal conductivity kuj ua rau nws indispensable nyob rau hauv tej yam kev siv.
Raws li cov yam ntxwv no, peb cov graphite fasteners tau ua pov thawj zoo heev hauv ntau qhov chaw tseem ceeb. Hauv kev lag luam tshuaj thiab tshuaj, lawv tau siv dav hauv kev sib txuas ntawm cov khoom siv hauv kev sib cuag nrog cov kua qaub uas muaj zog, muaj zog alkalis, los yog siab -purity media, xws li cov hlab ntsha, condensers, thiab cov yeeb nkab flanges, kom ntseeg tau ntev - lub sij hawm xau - dawb sealing. Nyob rau hauv siab -kub rauv, siv lead ua kev loj hlob cov cuab yeej, thiab sintering furnaces tiv thaiv los ntawm lub tshuab nqus tsev los yog inert atmospheres, lawv yog tib txoj kev xaiv kom ua tau raws li ruaj khov kev twb kev txuas ntawm cov khoom nyob rau hauv, tsis txhob muaj hlau evaporation paug. Hauv cov khoom siv hluav taws xob tshiab xws li roj hlwb thiab cov hlwb electrolytic, lawv cov conductivity thiab corrosion kuj tseem ceeb heev. Ntxiv mus, nyob rau hauv siab - purity txheej txheem xws li semiconductor thiab polysilicon ntau lawm, graphite lub siab purity zoo kawg nkaus zam cov hlau ion paug.
Nws yog ib qho tseem ceeb kom nco ntsoov tias kev xaiv thiab kev teeb tsa ntawm graphite fasteners yuav tsum ua raws li cov kev qhia tshwj xeeb. Vim nws cov brittleness ntau dua li cov hlau, lub torque ciaj ntswj yuav tsum tau siv thaum lub sij hawm installation siv quab yuam sib npaug thiab tsis txhob tawg vim muaj kev ntxhov siab ntau dhau ntawm ib qho chaw. Rau kev pom zoo sealing, peb pom zoo kom siv graphite los yog hloov tau graphite gaskets. Nyob rau hauv siab - qhov kub thiab txias ib puag ncig uas muaj peev xwm oxidizing cua (xws li huab cua), oxidation yuav tsum raug soj ntsuam, los yog siv cov graphite cov ntaub ntawv uas muaj anti- oxidation txheej yuav tsum tau txiav txim siab. Peb muab kev qhia txog kev xaiv thiab kev txhawb nqa installation.
Peb tau cog lus los muab cov neeg siv khoom nrog siab -zoo, ntau- specification graphite bolts thiab txiv ntseej, thiab tuaj yeem hloov kho cov ntaub ntawv nrog qhov sib txawv purity, particle loj, thiab qib zog kom tau raws li cov kev xav tau tshwj xeeb. Xaiv peb cov graphite fasteners tsis yog xaiv cov khoom xwb, tab sis kuj xaiv kev tiv thaiv kev ruaj ntseg thiab ntev - lub sij hawm ruaj khov rau koj cov cuab yeej tseem ceeb hauv qhov chaw hnyav.
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