O le a le mea e tupu pe a le fetaui le mea ma le tele o le PCB?

1. E tusa ai ma aiaiga o le GJB3835, ina ua uma warping ma deformation uelo o PCBA itoe tafe le ogaumufaiga uelo, o le warping aupito maualuga ma le distortion e le tatau ona sili atu i le 0.75%, ma le warping ma distortion o PCB ma vaega lelei-sapacing e le tatau ona sili atu i le 0.5%.
2. PCBA ma warping manino, pe afai o le multi-layer PCBA ua deformation stress, e aofia ai le faamalosia o le faapipiiina faavaa uʻamea, chassis tulaga faʻapipiʻi sikulima, chassis taiala alalaupapa faaofiofi faaofiofi ma isi faaliliu deformation faapipiiina (faaofiina) faagaoioiga, E ono mafua ai. faaleagaina po o gau i pu metallization o uaea lolomi e pei o le IC maualuga ma isi vaega taitai, BGA / CCGA solder sooga ma relay pu o multilayer PCB.

 

3. PCBA ma faʻalavelave poʻo le punou i luga i le 0.75% e tatau ona faʻapipiʻiina e tusa ai ma aiaiga o loʻo i lalo pe afai e faʻamaonia o le faʻalavelave faʻaleagaina e le mafua ai le faʻaleagaina o vaega ma faʻafitauli faʻatuatuaina ma e manaʻomia le faʻaauau pea ona faʻaaogaina.
Faʻapipiʻi (faʻaofi) ma faʻapipiʻi faʻamau saʻo i luga o le faʻavae chassis, taʻiala taʻiala, taʻiala taʻiala poʻo poutū e le tatau ona faia e aloese ai mai le faʻaleagaina atili o vaega ma pu uamea e mafua mai i le faʻalavelave faʻaleagaina o le faʻapipiʻiina o le PCB.
Faiga fa'apitonu'u (eletise po'o mea fa'amalo vevela) e tatau ona faia i le mea e sili ona tele le fa'alavelave ma le fa'apa'o'o o le va, e aunoa ma le a'afiaina o le fa'amautuina o le fa'apipi'iina ma le fa'amautinoaina o le fa'amama tele po'o le fa'aulu.O le vaega warping e mafai ona faʻapipiʻi ma faʻapipiʻiina naʻo lalo o le tulaga e le mafai e le faʻapotopotoga faʻasalalau lolomi lolomi le faʻalavelave faʻalavelave.

 

4. O le rigidity ma deformation gafatia o mea ua filifilia mo le fausaga faʻapipiʻi PCB ma le faʻavaa faʻamalosia e le tatau ona mafua ai le faʻalavelave poʻo le faʻaleagaina o aufana poʻo le fesuiaʻiga o le PCB.

 

5. Mo le multilayer PCBA ma le distortion manino po o le ifo, po o le distortion (bowing) itiiti ifo i le 0.75%, aemaise lava le PCBA faaauupegaina i IC maualuga, BGA / CCGA vaega, faasaʻoga po o le anti-deformation faapipiiina o PCB e tatau ona matua puipuia. .

 

laina gaosi SMT atoa taavale

NeoDen o loʻo tuʻuina atu se faʻaputuga ole laina ole SMT, e aofia ai le umu SMT toe faʻaleleia, masini faʻapipiʻi galu,filifili ma tuu le masini, lolomi fa'apipi'i solder, uta PCB, unloader PCB, tu'u va'a, SMT AOI masini, SMT SPI masini, SMT X-Ray masini, SMT fa'apotopotoga laina meafaigaluega, PCB gaosiga Meafaigaluega SMT vaega fa'apitoa, ma isi so'o se ituaiga masini SMT e te mana'omia, fa'amolemole fa'afeso'ota'i mai mo nisi fa'amatalaga:

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Taimi meli: Iuni-02-2021

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