Chithunzi cha SMD
Chigamba cha SMT chimatanthawuza chidule cha njira zingapo zomwe zimakonzedwa pamaziko a PCB.PCB (Printed Circuit Board) ndi bolodi losindikizidwa.
SMT ndi Surface Mount Technology (Surface Mount Technology) (chidule cha Surface Mounted Technology), yomwe ndi ukadaulo wodziwika bwino komanso njira zopangira zida zamagetsi.
Ukadaulo wapagulu lamagetsi pamagetsi (Surface Mount Technology, SMT), womwe umadziwika kuti kukwera pamwamba kapena ukadaulo wapamtunda.Ndi mtundu wa zida zopanda pini kapena zotsogola zazifupi (SMC/SMD mwachidule, Chinese zotchedwa chip components) zokhazikitsidwa pamwamba pa bolodi losindikizidwa (Printed Circuit Board, PCB) kapena pamwamba pa magawo ena, kudzera mumsonkhano wa Circuit ndi ukadaulo wolumikizana womwe umagulitsidwa ndikusonkhanitsidwa ndi njira monga reflow soldering kapena dip soldering.
Nthawi zonse, zinthu zamagetsi zomwe timagwiritsa ntchito zidapangidwa ndi PCB kuphatikiza ma capacitor osiyanasiyana, ma resistors ndi zida zina zamagetsi molingana ndi mawonekedwe ozungulira, kotero zida zamagetsi zamitundu yonse zimafunikira ukadaulo wosiyanasiyana wa SMT chip processing, ntchito yake ndi kutayikira solder phala kapena chigamba guluu pa ziyangoyango za PCB kukonzekera soldering wa zigawo zikuluzikulu.Zida zomwe zimagwiritsidwa ntchito ndi makina osindikizira pazenera (makina osindikizira pazenera), omwe ali kutsogolo kwa mzere wopanga SMT.
Njira yoyambira ya SMT
1. Kusindikiza (kusindikiza silika): Ntchito yake ndi kusindikiza phala la solder kapena zomatira pa mapepala a PCB kuti akonzekere kugulitsa zinthu.Zida zomwe zimagwiritsidwa ntchito ndi makina osindikizira pazenera (makina osindikizira pazenera), omwe ali kutsogolo kwa mzere wopanga SMT.
2. Kutulutsa zomatira: Ndikugwetsa guluu pamalo okhazikika a bolodi la PCB, ndipo ntchito yake yayikulu ndikukonza zida za PCB board.Zida zomwe zimagwiritsidwa ntchito ndi glue dispenser, yomwe ili kutsogolo kwa mzere wopanga SMT kapena kumbuyo kwa zida zoyesera.
3. Kuyika: Ntchito yake ndikuyika molondola zigawo za pamwamba pa malo okhazikika a PCB.Zida zomwe zimagwiritsidwa ntchito ndi makina oyika, omwe ali kuseri kwa makina osindikizira pazenera mumzere wopanga wa SMT.
4. Kuchiritsa: Ntchito yake ndi kusungunula zomatira patch, kotero kuti zigawo za pamwamba pa phiri ndi bolodi la PCB zimagwirizanitsidwa mwamphamvu.Zida zomwe zimagwiritsidwa ntchito ndi uvuni wochiritsa, womwe uli kuseri kwa makina oyika mumzere wopanga wa SMT.
5. Reflow soldering: Ntchito yake ndi kusungunula phala la solder, kuti zigawo za pamwamba pa phiri ndi bolodi la PCB zigwirizane mwamphamvu.Zida zomwe zimagwiritsidwa ntchito ndi reflow uvuni / wave soldering, yomwe ili kuseri kwa makina oyika mu mzere wopanga SMT.
6. Kuyeretsa: Ntchito yake ndikuchotsa zotsalira zowotcherera zomwe zimakhala zovulaza thupi la munthu monga kutuluka pa bolodi la PCB lomwe linasonkhana.Zida zomwe zimagwiritsidwa ntchito ndi makina ochapira, ndipo malowo sangakhazikike, pa intaneti kapena pa intaneti.
7. Kuyang'ana: Ntchito yake ndikuyang'ana khalidwe la kuwotcherera ndi khalidwe la msonkhano wa bolodi la PCB lomwe linasonkhana.Zida zomwe zimagwiritsidwa ntchito zimaphatikizapo galasi lokulitsa, maikulosikopu, tester ya pa intaneti (ICT), tester probe tester, automatic optical inspection (AOI), X-RAY inspection system, functional tester, etc. Malowa akhoza kukhazikitsidwa pamalo abwino pamzere wopanga. malinga ndi zofunikira zozindikiridwa.
Njira ya SMT imatha kupititsa patsogolo luso la kupanga komanso kulondola kwa matabwa osindikizira, ndikuzindikiradi kudzipangira ndi kupanga misa kwa PCBA.
Kusankha zida zopangira zomwe zimakuyenererani nthawi zambiri mutha kupeza zotsatira ziwiri ndi theka la khama.Chengyuan Industrial Automation imapereka chithandizo choyimitsa kamodzi ndi ntchito za SMT ndi PCBA, ndikukonzerani dongosolo loyenera kwambiri lopangira inu.
Nthawi yotumiza: Mar-08-2023