Hauv kev tsim hluav taws xob thiab hluav taws xob niaj hnub, kev vuam tsis yog tsuas yog ib qho kev sib koom ua ke ntawm cov khoom siv, tab sis kuj yog cov txheej txheem tseem ceeb uas txiav txim siab txog cov khoom lag luam. Tshwj xeeb hauv kev tsim cov khoom tseem ceeb ntawm qis- thiab nruab nrab- cov khoom siv hluav taws xob hluav taws xob xws li relays thiab contactors- kho thiab txav cov neeg sib cuag- vuam zoo cuam tshuam rau cov khoom hloov pauv lub neej, tiv thaiv kev ruaj ntseg, thiab arc tsis kam. Ntawm ntau txoj kev vuam, Kev Tiv Thaiv Vuam Nyiaj Tiv Thaiv, vim nws qhov tshwj xeeb zoo xws li kev ua haujlwm siab thermal, ntom weld seams, thiab tsis tshua muaj cua sov- thaj tsam cuam tshuam, tau dhau los ua cov txheej txheem tseem ceeb rau siab - kawg relay kev sib txuas, maj mam hloov cov tsoos arc vuam thiab brazing.
Resistance Welding vs. Arc Vuam: Qhov Tseem Ceeb Ntawm Qhov Sib Txawv Txiav Txim Siab Daim Ntawv Thov
Txawm hais tias ob qho tib si koom nrog cov cuab yeej siv hlau sib txuas, kev siv vuam vuam thiab arc vuam sib txawv hauv lawv cov khoom siv hluav taws xob, cov txheej txheem hluav taws xob hluav taws xob, thiab cov txheej txheem solidification. Qhov sib txawv no txiav txim siab lawv qhov kev siv tau hauv kev tsim cov khoom siv hluav taws xob precision.
Ua ntej, tsis kam welding muaj ntau dua thermal efficiency. Arc welding cia siab rau sab nraud hluav taws xob arc raws li cov khoom siv hluav taws xob ntau, nrog cov cua sov ua los ntawm qhov chaw ua haujlwm mus rau sab hauv. Ib tug loj npaum li cas ntawm tshav kub yog poob los ntawm hluav taws xob thiab convection thaum lub sij hawm tus txheej txheem no, ua rau ib tug thermal efficiency feem ntau qis dua 30%. Kev tiv thaiv vuam, ntawm qhov tod tes, siv Joule tshav kub (I²Rt) tsim los ntawm qhov tam sim no dhau los ntawm kev sib cuag sib txuas ua qhov chaw kub sab hauv. Thaum tshav kub kub yog tsim ncaj qha rau ntawm qhov sib txuas ntawm vuam thiab ua los ntawm qhov siab - qhov kub thiab txias mus rau qhov qis - qhov kub thiab txias, ua rau qhov kub tsawg thiab qhov ua haujlwm thermal ntau tshaj 60%. Cov yam ntxwv no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov me me vuam khawm sib tiv tauj- cov khoom siv hluav taws xob tsawg kom tsis txhob muaj kev puas tsuaj rau cov khoom siv hluav taws xob uas nyob ib sab lossis cov ntaub ntawv insulating.
Qhov thib ob, kev tiv thaiv welding ua rau cov denser weld. Arc welding molten pas dej ua ke solidify dawb nyob rau hauv ib txwm siab, yooj yim tsim shrinkage kab noj hniav, porosity, los yog dendritic looseness. Kev tiv thaiv vuam (tshwj xeeb tshaj yog Resistance Spot Welding (RSW) Silver Contact), txawm li cas los xij, siv cov cuab yeej siv siab thaum cua sov nrog hluav taws xob, ua rau cov molten nugget solidify nyob rau hauv siab, exhibiting cov yam ntxwv siab vuam yam ntxwv. Cov txheej txheem "thermo-mechanical coupling" no ua rau muaj txiaj ntsig zoo tshem tawm cov pa roj thiab impurities, inhibits qhov pib tawg, thiab yields welds nrog ntom microstructure thiab siab bonding zog, ho txhim kho tsis kam rau electrolytic corrosion thiab qaug zog.
Daim ntawv thov Scenarios ntawm Relay Hu rau Vuam
Nyob rau hauv me me fais fab relays, teeb liab relays, thiab automotive relays, qhov sib cuag loj yog feem ntau tsawg tshaj li 2 hli, thiab cov ntaub ntawv yog feem ntau AgNi, AgSnO₂, los yog AgCdO hu, tso siab heev xav tau ntawm vuam precision. Resistance vuam, nrog nws qhov zoo ntawm kev tswj tau siab, lub sij hawm voj voog ceev (ib qho taw tes<1 second), and no need for filler material, has become the preferred process.
Noj ib yam ntawm PCB relay ua piv txwv, nws txoj kev sib cuag yuav tsum tau welded rau lub caij nplooj ntoos hlav phosphor bronze. Thaum lub laser vuam muaj qhov kub me me - thaj tsam cuam tshuam, cov khoom siv raug nqi siab thiab nws yog rhiab heev rau qhov kev xav ntawm qhov chaw. Silver brazing contacts yuav tsum tau flux, thiab residues yuav kis tau tus kab mob, cuam tshuam rau kev cia siab rau kev sib cuag. Txawm li cas los xij, cov khoom siv hluav taws xob tiv thaiv qhov chaw vuam, los ntawm kev tswj xyuas qhov tseeb ntawm qhov tam sim no waveform, tuaj yeem ua tiav qhov kev tsim ntawm cov vuam nugget hauv 0.5 ms, nrog thermal deformation tswj nyob rau hauv ± 5 μm, tag nrho raws li qhov yuav tsum tau ntawm automated los ua ke.
Tsis tas li ntawd, txawm hais tias cov qauv sib xyaw xws li Brazed Composite Rivet Cov Hluav Taws Xob Cov Hluav Taws Xob feem ntau yog brazed, cov vuam tsis kam yog nce ntxiv rau cov kev sib txuas ntxiv hauv kev sib txuas nrog cov terminals, ua kom muaj kev sib txuas ntawm kev sib txuas ntawm "brazing + resistance welding" uas sib npaug conductivity thiab mechanical zog.
Kev hloov kho cov khoom siv thiab yav tom ntej Trends
Nrog cov kev cai ib puag ncig nruj zuj zus, Silver Cadmium Oxide Contacts tau maj mam hloov los ntawm AgSnO₂. Lub tom kawg, nrog nws cov hardness siab thiab cov thermal conductivity tsis zoo, nthuav tawm cov kev cov nyom tshiab rau kev ua haujlwm vuam -yuav tsum tau muaj zog dua tam sim no thiab kev tswj kom nruj dua. Kev lag luam tab tom tshawb nrhiav cov thev naus laus zis tshiab xws li dual-pulse welding thiab hloov kho cov lus tawm tswv yim los daws cov txheej txheem nqaim los ntawm cov khoom siv rov ua dua.
Lub caij no, kev tsim ntsuab ntsuab yog tsav qhov kev siv lead ua dav dav -dawb thiab halogen- cov txheej txheem dawb. Kev tiv thaiv vuam, yuav tsum tsis muaj flux thiab ua tsis muaj pa taws lossis plua plav emissions, ib txwm ua raws li cov qauv no. Nyob rau hauv lub neej yav tom ntej, ua ke nrog AI qhov muag pom qhov chaw thiab tiag- lub sijhawm saib xyuas cov txheej txheem (xws li kev soj ntsuam tsis muaj zog), kev siv vuam yuav txuas ntxiv mus rau kev tsim khoom ntse nrog "zero defects thiab tag nrho traceability."
Los ntawm thermal efficiency mus rau weld ntom, los ntawm cov me me hu mus rau siab kev cia siab rau, kuj welding qhia irreplaceable technology zoo nyob rau hauv relay manufacturing. Nws tsis yog tsuas yog cov txheej txheem kev sib txuas xwb, tab sis kuj tseem yog lub hauv paus ntawm engineering kom ntseeg tau lub sijhawm ntev - haujlwm ruaj khov ntawmWelded Silver Contact Components. Nrog kev tshwm sim tsis tu ncua ntawm cov ntaub ntawv tshiab thiab cov qauv, tsuas yog los ntawm kev nkag siab tob rau peb cov kev nkag siab ntawm "thermal-mechanical-material" coupling mechanism tuaj yeem tsim kom muaj kev ntseeg tau zoo tiv thaiv kev sib txuas hluav taws xob ntawm micrometer nplai.
Yog tias koj tab tom tsim tshiab relay kev sib txuas kev daws teeb meem, lossis xav tau los daws cov txheej txheem kev sib tw xws li vuam spatter, tsis tiav soldering, thiab thermal deformation, thov hu rau peb. Peb yuav muab cov lus qhia txog kev ua kom zoo dua qub thiab tsis ua tiav kev soj ntsuam kev txhawb nqa raws li kev lag luam - tus qauv specifications.
Tiv tauj peb
