Mica Screws - Hluav taws xob rwb thaiv tsev Fasteners rau High-Voltage & High-Tub

Mica screws muaj cov khoom siv hluav taws xob zoo tshaj plaws, ua rau lawv zoo tagnrho insulating Cheebtsam rau ntau yam khoom siv. Tsim los ntawm mica-raws li kev sib xyaw, cov fasteners no ruaj ntseg tuav cov khoom nyob rau hauv qhov chaw nyob rau hauv hluav taws xob systems uas muaj kev ruaj ntseg yog ib qho tseem ceeb. Lub cev muaj zog ntawm mica - suav nrogsiab dielectric zogthiab ruaj khov ntawm qhov kub siab - xa cov kev ua tau zoo, txhim khu kev qha. Mica-based rwb thaiv tsev zootiv thaiv arcingthiab hluav taws xob tsis ua hauj lwm, tshwj xeeb tshaj yog nyob rau hauv high - cov khoom siv hluav taws xob. Cov yam ntxwv ntawm dielectric thiab hluav taws xob ntawm mica screws tiv thaiv ob tus neeg siv thiab tshuab los ntawm kev ua haujlwm tsis zoo.

Cov yam ntxwv no txhim kho kev nyab xeeb, kev cia siab, thiab kev ua tau zoo hauv kev xav tau kev ua haujlwm ib puag ncig.

Cov ntsiab lus tseem ceeb

Mica screws muab hluav taws xob rwb thaiv tsev zoo heev, ua rau lawv zoo heev rau kev siv hluav taws xob siab -.

Lawv lub zog dielectric siab tiv thaiv hluav taws xob arcing thiab tawg, ua kom muaj kev nyab xeeb ntawm cov tshuab hluav taws xob.

Mica screws nyob ruaj khov thiab ua haujlwm txawm tias qhov kub thiab txias, mus txog900 degree.

Cov fasteners no yog ya raws -tiv taus thiab tshuaj lom neeg- tiv taus, txhim kho cov kav ntev hauv ib puag ncig hnyav.

Siv mica screws ua rau kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm cov khoom siv hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv kev ua haujlwm hnyav.

Hluav taws xob cov khoom ntawm Mica Screws

Dielectric zog & rwb thaiv tsev Performance

Mica screws xa cov khoom hluav taws xob tshwj xeeb hauv kev thov kev thov. Lawv cov yam ntxwv zoo tshaj plaws ntawm hluav taws xob ua rau lawv qhov kev xaiv zoo tshaj plaws rau cov engineers xav tau cov rwb thaiv tsev txhim khu kev qha.

Lub zog dielectric ntawm mica screws tuaj yeem ncav cuagmus txog 200 kV / mm- deb tshaj qhov ua tau zoo ntawm cov khoom siv yas lossis ceramic feem ntau. Lub zog dielectric siab no tso cai rau mica screws kom muaj txiaj ntsig zoo arcing thiab tiv thaiv kev tawg ntawm dielectric txawm nyob rau hauv qhov chaw siab -voltage.

Lus Cim: Mica screws tuav lawv cov khoom dielectric txawm nyob rau hauv thermal lossis mechanical stress.

Cov qauv molecular ntawm mica muab cov fasteners tshwj xeeb rwb thaiv tsev tiv thaiv. Mica nta ib txheej txheej lattice nrog muaj zog interatomic bonding, uas thaiv cov ndlwg tam sim no thiab tswj kev ruaj ntseg nyob rau hauv txhua yam load.

Mica screws kuj tseem muaj qhov ntim siab tiv taus thiab nto tiv taus, ua rau lawv zoo heev insulators thoob plaws ntau hom khoom. Lawv cov rwb thaiv tsev kuj tseem siab txawm tias tom qab siv ntev los yog raug rau cov mob hnyav.

Cov yam ntxwv tseem ceeb ntawm kev ua haujlwm hluav taws xob:

High dielectric zog (txog 200 kV / mm)

Kev rwb thaiv tsev zoo heev

Tsawg dielectric poob

Kev ua haujlwm ruaj khov nyob rau hauv qhov kub thiab txias thiab cov khoom siv kho tshuab

Kev kuaj kuaj pom tseeb tias lub zog dielectric ntawm mica screws tshaj20 kV / hli, nyob ntawm thickness thiab raug txheej txheem. Qhov no tsim nyog lawv ua cov insulators zoo tagnrho rau cov khoom siv hluav taws xob siab -voltage. Mica washers ua los ntawm cov ntaub ntawv zoo sib xws kuj qhia tau tias muaj zog dielectric siab piv rau cov yas thiab ceramics. Lawv yog cov cua sov-resistant, nplaim taws-retardant, thiab tuav lawv cov duab thaum lub sij hawm thermal cycling.

Hluav taws xob conductivity

Tsawg hluav taws xob conductivity yog qhov tseem ceeb rau mica qhov kev ua tau zoo raws li qhov siab -kev ua tau zoo insulator. Mica muaj cov conductivity tsawg heev; nws cov qauv atomic tsis pub dawb electron txav, ua rau nws tsis yog -conductive. Qhov no ua kom muaj kev nyab xeeb, txhim khu kev qha hauv kev siv hluav taws xob rwb thaiv tsev.

Mica qhov qis conductivity ntseeg tau cais cov khoom siv hluav taws xob yam tsis muaj kev pheej hmoo ntawm cov xau tam sim no. Nws cov khoom dielectric nyob ruaj khov txawm tias thaum raug kub los yog kev co. Tsis tas li ntawd, mica screws tiv thaiv kev nkag thiab tswj kom muaj zog compressive zoo nyob rau hauv bolt preload. Tsis zoo li ceramics, mica tsis ua nkig. Qhov no pab mica screws khaws cia ob qho tib si rwb thaiv tsev kev ua tau zoo thiab gasket kev ncaj ncees thaum rov ua cua sov thiab cua txias.

Mica screws thiab washers muaj zog dielectric ntau dua li feem ntau cov yas thiab ceramics.Lawv muab cov cua sov zoo dua thiab nplaim hluav taws.Lawv tuav cov duab thiab rwb thaiv tsev ua haujlwm los ntawm ntau lub voj voog thermal.

Kev sib xyaw tshwj xeeb ntawm lub zog dielectric siab, qis conductivity, thiab ruaj khov rwb thaiv tsev ua rau mica screws zoo heev insulating Cheebtsam rau cov khoom siv hluav taws xob thiab kev lag luam, ua kom muaj kev nyab xeeb thiab kev ntseeg siab nyob rau hauv siab -voltage thiab siab - qhov kub thiab txias.

Thermal rwb thaiv tsev & kev ua haujlwm

Kub Kub Resistance

Mica rwb thaiv tsev sawv tawm rau nws qhov tshwj xeeb siab -kub tsis kam. Ntau qhov kev lag luam siv mica screws hauv siab - cov ntawv siv cua sov vim tias lawv khaws lub zog thiab zoo txawm tias nyob rau hauv huab cua kub heev.

Mica rwb thaiv tsev tuaj yeem tiv taus qhov kub thiab txiasmus txog 900 degreetsis muaj qhov tseem ceeb degradation. Qib ntawm thermal stability no ua kom mica screws tsis decompose los yog poob insulating zog txawm tias tom qab siv ntev.

Piv txwv li, mica-insulated band heaters feem ntau muaj qhov kub siab tshaj plaws ntawm lub plhaub900℃F (≈482 degree), ua mica ib qho kev xaiv txhim khu kev qha rau cov khoom siv uas yuav tsum tau ua haujlwm zoo ntawm qhov kub thiab txias. Tsis zoo li cov roj hmab muag muag uas tsis tuaj yeem tiv taus kev ntxhov siab, mica tseem ruaj khov thiab nruj. Nws kuj tseem muaj kev tiv thaiv ib puag ncig zoo rau cov cua sov, noo noo, thiab tshuaj lom neeg raug.

Mica tswj kev ua haujlwm hauv siab -kub siv.

Nws tiv taus thermal shock thiab tsis tawg los yog ua tsis tau raws li qhov kub thiab txias hloov.

Nws muab sijhawm ntev - kev cia siab rau hauv ib puag ncig hnyav.

Thermal conductivity & stability

Mica rwb thaiv tsev muab ob qho tib si thermal barrier zog thiab ruaj khov txhua yam kev txhawb nqa hauv cov tshuab hluav taws xob. Nws cov thermal conductivity tsawg pab tiv thaiv kom tsis txhob muaj cua sov hloov mus rau cov khoom rhiab heev, tiv thaiv qhov chaw nyob ib sab thiab txhim kho kev nyab xeeb tag nrho. Mica kuj tseem muaj kev ua tau zoo hauv qhov chaw ntub dej lossis tshuaj lom neeg.

Lub thermal rwb thaiv tsev ntawm mica screws pab kom cov cuab yeej txias thiab nyab xeeb. Mica tsis degrade sai txawm tias nyob rau hauv qhov kub thiab txias, ua rau nws yog ib qho kev xaiv saum toj kawg nkaus rau siab -kev siv kub - tshwj xeeb tshaj yog cov uas yuav tsum tau muaj hluav taws xob thiab thermal rwb thaiv tsev. Nws kuj outperforms ntau lwm yam ntaub ntawv nyob rau hauv hnyav industrial puag ncig.

Tswv yim: Mica muab cov hluav taws xob thiab thermal rwb thaiv tsev, ua rau nws zoo tagnrho rau cov khoom raug kub kub.

Mica kev sib xyaw ua ke ntawm thermal rwb thaiv tsev, kev ruaj ntseg, thiab ib puag ncig tiv thaiv ua rau nws nyiam cov khoom siv rau cov engineers, ua kom muaj kev nyab xeeb thiab txhim khu kev lag luam hauv siab - daim ntawv thov kub.

Kev sib piv kev ua haujlwm: Mica vs. Lwm cov ntaub ntawv rwb thaiv tsev

Mica vs. Ceramics & Plastics

Engineers nquag sib piv mica screws rau lwm cov insulators xws li ceramics thiab plastics. Txhua yam khoom muaj qhov zoo sib xws thiab kev txwv. Mica sawv tawm vim nws qhov kev ua tau zoo sib npaug hauv lub zog dielectric, thermal stability, thiab tshuaj tsis haum.

Ceramics muaj kev rwb thaiv tsev zoo thiab kub tsis kam, tab sis yog nkig thiab ua rau tawg nyob rau hauv txhua yam kev ntxhov siab. Cov yas xws li Nomex thiab Kapton yog hloov tau thiab hnav tab sis yuav tsis tiv taus qhov kub thiab txias los yog cov tshuaj corrosive zoo li mica.

Mica screws outperform feem ntau cov yas hauv tshav kub thiab tshuaj lom neeg.

Ceramics muaj kev ua haujlwm zoo thermal tab sis tuaj yeem tawg hauv kev ntxhov siab.

Cov yas nqus dej noo thiab poob lub zog ntawm qhov kub thiab txias.

Qhov Zoo & Kev Txwv

Mica cov khoom tshwj xeeb muab mica screws ntau qhov zoo dua cov khoom siv ceramic thiab yas:

Qhov zoo tshaj - lub sij hawm ruaj khov thiab kev ntseeg siab ntawm qhov kub thiab txias

Tsawg hygroscopicity, tiv thaiv o los yog decomposition

Tsis yog -combustible, txo hluav taws kub

Withstands kub saum toj no700 degreetsis muaj kev poob haujlwm

Chemically ruaj khov, resistant rau acids thiab alkalis

Tsis tshua muaj kub coefficient, ua tau zoo nyob rau hauv kev hloov kub ceev

Kev txwv:

Mica screws feem ntau kim dua li cov qauv yas fasteners.

Mica tsis yooj yim dua li qee cov yas, ua rau nws tsis haum rau cov ntawv thov uas yuav tsum tau khoov lossis sib sau.

Ceramics nruj tab sis tuaj yeem tawg yog tias poob los yog cuam tshuam.

Tswv yim: Thaum xaiv cov ntaub ntawv rwb thaiv tsev, xav txog mica qhov kev ua tau zoo nyob rau hauv siab -voltage thiab siab - qhov kub thiab txias. Mica screws muaj kev nyab xeeb thiab kev ntseeg tau ntau dua piv rau ntau txoj hauv kev.

Mica cov khoom ua rau cov ntsia hlau no yog qhov kev xaiv zoo tshaj plaws rau kev thov siv hluav taws xob thiab kev lag luam. Cov engineers yuav tsum ntsuas qhov ua tau zoo raws li cov kev thov tshwj xeeb.

Daim ntawv thov & Cov txiaj ntsig ntawm Mica Screws

Kev Siv Hluav Taws Xob & Hluav Taws Xob

Mica screws ua lub luag haujlwm tseem ceeb hauv ntau daim ntawv thov hluav taws xob rwb thaiv tsev. Cov kws tsim khoom siv cov fasteners no hauv siab - cov khoom siv hluav taws xob xws li transformers, circuit breakers, thiab switchgear. Mica screws ruaj ntseg cov khoom nyob rau hauv hluav taws xob panels, pab tiv thaiv luv luv circuits.

Lawv tau dav siv nyob rau hauv factories rau mounting cov khoom raug kub siab, xws li industrial ncu thiab cua sov ntsiab. Mica screws kuj tseem muaj nyob rau hauv cov nroj tsuag tsim hluav taws xob, qhov twg lawv cov hluav taws xob muaj zog tiv thaiv kev ua haujlwm zoo thiab ruaj khov.

Cov ntawv thov ib txwm muaj xws li:

Fastening Cheebtsam nyob rau hauv hluav taws xob transformers

Kev ruaj ntseg cua sov cov ntsiab lus nyob rau hauv industrial ncu

Txhawb kev rwb thaiv tsev hauv siab - cov khoom siv hluav taws xob

Txhim kho cov khoom siv hauv lub tshuab hluav taws xob tsim hluav taws xob

Mica screws ua tau zoo nyob qhov twg lwm cov ntaub ntawv yuav ua tsis tau. Lawv kev sib xyaw ua ke ntawm cov cua sov ua haujlwm thiab kev ua haujlwm insulating ua rau lawv zoo tagnrho rau kev ua haujlwm siab - xav tau.

Kev nyab xeeb & kev ntseeg siab

Mica screws txhim khu kev ruaj ntseg thiab kev ntseeg siab ntawm cov tshuab hluav taws xob. Nrog lub zog dielectric feem ntau muaj xws li los ntawm50-150 kV / hli, lawv zoo - haum rau siab - siv hluav taws xob. Mica tuav nws cov khoom rwb thaiv tsev txawm tias qhov kub siab tshaj - qhov tseem ceeb rau cov khoom siv uas yuav tsum tau ua haujlwm tas li.

Mica screws ua raws li cov qauv thoob ntiaj teb nruj xws li:

TS EN ISO 20457

ISO 4586-1: 2004

IEC 60371 (TSI)

Cov ntawv pov thawj no paub meej tias muaj kev tiv thaiv zoo thiab ua haujlwm ntev.

Mica screws khaws cov dielectric kev ua tau zoo ntawm qhov kub thiab txias, uas yog qhov tseem ceeb rau kev rwb thaiv tsev hauv transformers thiab lwm yam khoom siv hluav taws xob. Kev ntseeg siab mica screws txuas ntxiv lub neej kev pab cuam ntawm cov khoom siv hluav taws xob thiab muab kev ntseeg siab rau engineers hauv kev nyab xeeb thiab kev ua tau zoo ntawm lawv cov qauv tsim.

Mica screws ua ke zoo heev hluav taws xob rwb thaiv tsev thiab siab thermal stability. Lawv tiv taus cua sov, noo noo, thiab tshuaj lom neeg, ua rau lawv tshwj xeeb tshaj yog haum rau siab -voltage lossis siab - qhov kub thiab txias. Lawv raug pom zoo rau txhua yam khoom siv uas xav tau kev tiv thaiv kev ruaj ntseg thiab kev nyab xeeb.

Nco tseg: Mica screws yuav raug nqi ntau dua li cov yas fasteners thiab tej zaum yuav tsis zoo tagnrho rau cov qauv tsim. Ib txwm paub meej tias daim ntawv thov yuav tsum tau ua ua ntej xaiv.

FAQs

Dab tsi ua rau mica screws zoo insulators dua li yas screws?

Mica screws muaj ntau dua dielectric zog thiab superior tshav kub tsis kam piv rau yas screws. Lawv tsis yaj lossis deform ntawm qhov kub thiab txias. Engineers xaiv mica screws rau cov khoom siv uas yuav tsum tau muaj hluav taws xob rwb thaiv tsev thiab thermal stability.

Puas yog mica screws resistant rau ya raws los yog tshuaj?

Yog lawm. Mica screws tiv taus ya raws thiab ntau yam tshuaj. Lawv tsis o lossis tawg thaum raug dej los yog cov kua dej uas muaj kev lag luam, ua rau lawv lub neej kev pab cuam nyob rau hauv ib puag ncig hnyav.

Puas yog mica screws muaj kev nyab xeeb rau siab - cov khoom siv hluav taws xob?

kiag li. Mica screws muab kev nyab xeeb tshwj xeeb hauv siab -voltage systems. Lawv lub siab dielectric zog zoo tiv thaiv hluav taws xob arcing. Los ntawm kev txwv tam sim no to thiab dielectric tawg, lawv tiv thaiv ob qho tib si khoom thiab cov neeg siv.

Puas yog mica screws kim dua lwm hom fasteners?

Mica screws feem ntau kim dua li cov ntsia hlau yas. Lawv cov nqi qhia txog kev ua tau zoo ntawm rwb thaiv tsev, tiv thaiv tshav kub, thiab kev cia siab ntev ntev -. Rau cov ntawv thov tseem ceeb, feem ntau cov engineers txiav txim siab tus nqi them nqi no yog tsim nyog.