Raws li SMT Technology txuas ntxiv mus hloov thiab paub tab, kev tawm tsam ntau yam (SMC) thiab tam sim no siv thoob plaws txhua yam li no
Cov txheej txheem ntws tawm rau reflow soldering feem ntau siv rau cov khoom lag luam saum npoo av {}} Cov txheej txheem sib raug zoo yog raws li nram no}
Kuv {.} cov khoom npaj thiab teeb tsa
- Npaj PCBs (luam tawm cov laug cam) nrog luam tawm cov hluav taws xob .
- Npaj SMD (nplaim mount ntaus ntawv) Cheebtsam rau kev sib dhos .
- Npaj muab tshuaj txhuam, feem ntau yog cov muab tshuaj txhuam-zoo li sib xyaw ntawm cov cam alloy hmoov thiab flux.
II {.Solder Muab Tshuaj TxhuamLub tshuab luam ntawv Luam ntawv
Luam tawm cov cam muab tso rau hauv cov ntaub qhwv ntawm PCB siv tus hlau ntxaij ntxig .
Qhib nyob rau hauv cov hlau mesh precis tshwj xeeb dlej nrog rau hauv pcb uas smd Cheebtsam yog yuav solded .
Lub hom phiaj ntawm cov kauj ruam no yog kom precisely siv tus nqi tsim nyog ntawm solder muab tshuaj txhuam rau cov pads .
Iii {.} Cheeb Tsam
Siv arab txaug thiab QHOV CHAW TSHUABTxhawm rau kom meej qhov chaw SMD Cheebtsam ntawm lub PCB uas solder muab tshuaj txhuam tau luam tawm .
Lub tshuab SMT lub nozzle xaiv cov khoom siv los ntawm cov pub lossis cov kab xev
Lub viscosity ntawm cov cam mast paste ib ntus tuav cov cheebtsam hauv qhov chaw .
Iv {.} reflow soldering
Qhov no yog cov kauj ruam tseem ceeb, qhov twg tus PCB nrog cov khoom siv tso rau ntawm nws tau xa mus rau hauvReflow Cub.
Sab hauv qhov cub, ib qho meej tswj qhov sib zog kub yaj cov tshuaj txhuam thiab ua kom ntub dej rau lub tshuab tawg yooj yim suav nrog kev sib txuas nrog plaub lub teb chaws loj:
- Preheating cheeb tsam:Qhov ntsuas kub maj mam nce, ib feem ntawm cov kuab tshuaj txhuam ntawm cov PCB thiab cov hluav taws xob, thiab txo qhov ntsuas kub nyob rau hauv .
- Thaj chaw sov tas li: Qhov kub nyob sab nraud cuam tshuam rau ib lub sijhawm (tab sis nws tseem nce qeeb) {. tus thawj lub hom phiaj ntawm theem no yog:
Ntxiv mus rau flux thiab tshem tawm cov oxides los ntawm cov chaw ntawm cov ntaub qhwv thiab sib xyaw ua kom .
Ua kom muaj kev sib tw kub ntau thoob plaws tus PCB thiab nruab nrab ntawm cov khoom siv loj / me me kom tiv thaiv kev kub ntxhov tsis txaus siab li no}
Cia cov kuab tshuaj rau tag nrho evaporate .
- Reflow Zone:Qhov kub kub nce siab mus rau lub ncov kub siab (saum toj melting taw tes ntawm cov tshuaj txhuam cov ntaub qhwv caj dab Tsevneeg Khi Lus Kub thiab lub sijhawm ua kom muaj kev puas tsuaj thiab kav ntev dua,
- Txias Zone:Cov yas melted solentifies thiab cov tawv nqaij uas tswj tau txias, ua kom muaj zog sib zog ua ke {{} Tus nqi txias yuav tsum tau tswj hwm; qeeb qeeb yuav ua rau cov pob qij txha sib yuav thiab cov qauv ntawm cov nplej; Kev nrawm heev yuav ua rau tiv thaiv kev tawg lossis sib koom ua ke cov teeb meem kev ntseeg tau vim yog cov kev ntxhov siab thermal.
V . cua txias thiab offline kev ua
PCB rho tawm qhov cub tawg thiab txuas ntxiv kom txias txias rau qhov kub thiab txias nyob rau hauv amazient .
Cov neeg ua haujlwm lossis cov cuab yeej siv tshuab tshem tawm cov PCB los ntawm cov cab kuj lossis cov khoom siv conveyor}}}
VI {.}} tu
Yog hais tias Rosin-based lossis hluavtaws resin-raws li siv tshuaj txhuam cev yog siv, thiab cov khoom seem tsis muaj kev sib cuag, cov kauj ruam ic} tej zaum yuav raug rho tawm.
Yog tias kev tshem tawm kom raug ntawm flux cov seem yog qhov yuav tsum tau ua (E {{} pa}} pa}} Cov khoom siv kho qhov muag, lossis kev tu kho kho kho qhov tshwj xeeb), kev tu.
Vii {{{0} Kev tshuaj ntsuam thiab kuaj
- Kev Ntsuam Xyuas Pom:Manually lossis sivTsis siv neeg tshuaj xyuas kev kho (AOI)mus soj ntsuam soldering zoo, xws li sib xyaw ua txhaum, handderoning, solder pob qij txha, cov khoom tawg tsis txaus, thiab lwm yam {}}
- Kev kuaj mob hauv Circuit Court (ICT) lossis kev soj ntsuam yoov kuaj:Kos cov Circuit Coill Instructivity thiab hluav taws xob ua haujlwm .
- Ua haujlwm ntsuas (FCT):Sim ntsuas cov haujlwm tag nrho ntawm cov rooj sib tham .
- X-ray soj ntsuam (Axi):Tshawb xyuas qhov zoo dua ntawm cov khoom siv nrog cov tsis pom hauv qab cov pob qij txha sib xws (BGA, Bridging, lossis Solding koom ua ke txawv txav txawv txawv.
VIII .}}} kho
PCBs txheeb xyuas nrog soldering soldering thaum soj ntsuam xav tau kev ua haujlwm (feem ntau siv cov cua kub lossis muaj kev tshwj xeebKev Ua Haujlwm Hauv Chaw Nres Tsheb) los hloov cov khoom siv tsis muaj zog lossis kho cov yas sib koom ua ke .
Ix {. kawg artrembly thiab ntim
PCBA uas dhau kev kuaj xyuas yuav xav tau nthwv dej ntawm qhov sib xyaw (xws li cov khoom sib xyaw ua ke, thiab lwm yam kev ntsuas, thiab tom qab ntawv ntim}
Lub ntsiab
Solder muab muab kua mis zoo thiab luam ntawv raug yog lub hauv paus ntawm kev zoo soldering .
Qhov sib koom ua ke yog qhov tseeb yog txiav txim qhov tseeb ntawm cov kev ua haujlwm .
Refow Kub Profile yog qhov tseem ceeb ntawm kev xav ua soldering shoulle kev ua tau zoo thiab muaj kev ntseeg tau rau cov pcbs, thiab cov ham muab tshuaj txhuam .
Qhov no yog cov txheej txheem ua tiav rau SMT tivthaiv cov solering siv referging soldering .
Tuam txhab tau
Zhejiang Neoden Technology Techne., tsim nyog {}} Peb muaj cov khoom lag luam R & DUA, WHEFE HARDE CLASE, yeej lub koob npe nrov, yeej lub koob npe nrov los ntawm lub ntiaj teb Cov neeg siv dav dav {4 4}}
Peb nyob hauv txoj haujlwm zoo tsis tsuas yog muab koj zoo PNP tshuab, tab sis kuj tseem zoo tshaj plaws tom qab muag kev pab .
Cov kws cob qhia zoo yuav muab koj cov kev txhawb nqa kev txhawb.
10 tus engineers muaj zog dua tom qab pab neeg pab pawg tuaj yeem teb cov neeg nug cov neeg nug thiab nug txog 8 teev.
Kev daws kev tshaj lij tuaj yeem muab tau hauv 24 teev hnub ua haujlwm thiab hnub so.