Vim li cas Kev Txhawb Cov Khoom Siv Ntau Lawm
Hauv kev tsim khoom siv hluav taws xob niaj hnub no, kev xaiv thiab kev siv cov ntaub ntawv txhawb nqa txiav txim siab seb PCBA puas ua tau raws li cov qauv kev lag luam nruj.
- Solder Paste: Cov pob txha ntawm SMT sib dhos, solder paste muab ob qho tib si adhesion thiab conductivity. Alloys xws li SAC305 (Sn96.5/Ag3.0/Cu0.5) xyuas kom RoHS ua raws thiab tiv thaiv thermal cycling hauv tsheb thiab kev siv tshuab.
- Flux: Ntxuav thiab npaj cov npoo hlau, tshem tawm cov oxides, thiab lav qhov ntub dej kom zoo thaum lub sij hawm soldering. Cov kev xaiv muaj xws li rosin raws li, dej soluble, thiab tsis muaj cov dej huv, txhua qhov tsim nyog rau kev ntseeg siab thiab kev tu kom huv.
- Adhesives: Kev ruaj ntseg SMD cov khoom thaum lub sij hawm kev kub ceev los yog ob sab sib dhos, tiv thaiv kev hloov pauv ua ntej soldering.
- Tus neeg saib xyuas tu: Tshem tawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, tswj hluav taws xob ua haujlwm, thiab npaj cov boards rau cov txheej txheem sib txawv. Cov tshuaj ntxuav dej cawv xws li IPA muaj ntau, thaum cov dej raws li kev daws teeb meem txhawb kev ua raws li ib puag ncig.
- Fixtures thiab Stencils: Xyuas kom meej nyob rau hauv solder paste luam ntawv thiab cov khoom tso rau hauv, txhawb repeatability nyob rau hauv loj ntau lawm.
- ESD Ntim Cov Khoom: Tiv thaiv cov khoom rhiab thiab cov khoom tiav los ntawm electrostatic paug thaum khaws cia thiab xa khoom.
Ua ke, Cov Khoom Txhawb Kev Tsim Khoom no tiv thaiv kev sib txuas hluav taws xob, ua kom cov khoom ruaj khov thaum lub sij hawm rov qab, thiab txuas ntxiv lub neej kev pab cuam ntawm cov khoom tiav.
Peb Cov Txheej Txheem Kev Muag Khoom thiab Kev Pov Hwm Zoo
Peb kho cov khoom txhawb nqa ntau lawm nrog tib yam nruj raws li cov khoom siv hluav taws xob. Txhua yam khoom siv tau txais los ntawm cov neeg muab khoom tsim nyog thiab tau lees paub los ntawm cov qauv thoob ntiaj teb.
- Kev Ntsuam Xyuas Kev Xav Tau: BOM cov kev xav tau thiab cov txheej txheem tshwj xeeb txhais cov hom thiab qib ntawm cov tshuaj txhuam hniav, flux, nplaum, thiab cov tshuaj ntxuav. Ntxiv nrog rau pcb qhov chaw rau cov khoom siv hluav taws xob, peb pab pawg neeg yuav khoom kom ntseeg tau tias cov ntaub ntawv txhawb nqa sib npaug nrog cov kev xav tau ntau lawm.
- Kev Tsim Nyog Muaj Peev Xwm: Tsuas yog cov neeg muag khoom muaj ntawv pov thawj thiab cov chaw tsim khoom uas muaj pov thawj kev ntseeg tau raug xaiv.
- Sample Test: Cov ntaub ntawv raug soj ntsuam ua ntej kev tsim khoom kom paub meej tias kev ua tau zoo raws li kev sib dhos tiag tiag.
- Kev Tswj Xyuas Daim Ntawv Cog Lus: Cov ntawv cog lus yuav khoom qhia cov qauv ntsuas zoo, lub sijhawm xa khoom, thiab kev ua raws cai.
- Incoming Quality Control (IQC): Txhua batch ntawm solder paste, flux, los yog tu tus neeg saib xyuas. Cov khoom siv tseem ceeb raug kuaj 100%, thaum cov khoom txheem ua raws li cov qauv kev cai.
- Traceability: Cov txiaj ntsig tau soj ntsuam tau nkag mus rau hauv peb qhov system MES, kom ntseeg tau tag nrho kev taug qab lub neej.
- Cov Khoom Siv Tshwj Xeeb: X Ray cov txee, cov ntsuas viscosity, thiab cov ntsuas kev huv huv kom siv tau cov khoom siv ua ntej tso tawm rau cov kab ntau lawm.
Thaum PCB Substrate Materials feem ntau cuam tshuam nrog kev tsim khoom lag luam liab qab, peb tsom mus rau cov khoom siv uas ncaj qha txhawb PCBA sib dhos. Txoj hauv kev no tau lees paub tias txhua yam khoom txhawb nqa khoom nkag mus rau peb lub Hoobkas txhawb nqa cov txheej txheem ruaj khov thiab txhim khu kev qha PCBA cov zis.
Xaus
Kev ntseeg siab ntawm PCBA lub rooj sib txoos tsis yog nyob ntawm cov khoom siv hluav taws xob zoo nkaus xwb tab sis kuj nyob ntawm kev ua tib zoo xaiv thiab tswj cov khoom siv txhawb nqa. Los ntawm kev muab cov khoom siv tshuaj pleev xim, cov kua nplaum, cov nplaum, cov tshuaj ntxuav, cov khoom siv, thiab ESD ntim cov ntaub ntawv los ntawm cov neeg muag khoom ntseeg siab thiab ua raws li kev tswj hwm nruj, peb xyuas kom meej tias peb cov neeg siv khoom tau txais cov khoom sib dhos uas ua tau raws li cov qauv thoob ntiaj teb rau kev ua tau zoo, kav ntev, thiab ua raws.
Yog xav paub ntxiv txog kev sib tham lossis thov cov lus hais, thov hu rau peb nrog koj BOM thiab cov txheej txheem yuav tsum tau ua. Peb pab neeg yuav muab cov kev daws teeb meem tsim nyog uas sib koom ua ke ob qho tib si Electronic Components Sourcing thiab Production Support Materials, txhawb koj cov haujlwm los ntawm cov qauv mus rau ntau lawm.
Cim npe nrov: Cov khoom siv txhawb nqa, Tuam Tshoj cov khoom txhawb nqa cov khoom lag luam, cov chaw muag khoom, lub Hoobkas
