Impilo yeshelufu kanye nezindleko ze-PCBA

I-PCBA isifinyezo somhlangano webhodi lesifunda ophrintiwe ngesiNgisi, okusho ukuthi, i-PCB engenalutho idlula ukulayisha kwe-SMT noma yonke inqubo ye-dip plug-in, ebizwa ngokuthi i-PCBA ngamafuphi Lena yindlela yokubhala evame ukusetshenziswa e-China, kuyilapho indlela evamile yokubhala e-Europe naseMelika iyi-pcb’a eno-“’”, ebizwa ngokuthi isisho esisemthethweni. Nansi isikhathi esingakanani PCBA imikhiqizo yokucubungula ingagcinwa.
Imikhiqizo ecutshunguliwe ye-PCBA ingagcinwa isikhathi esingakanani.


I-PCBA ibhekisela ebhodini lesifunda elinezingxenye ezihlukahlukene ezishiselwe endaweni yalo. Abantu bavame ukunaka ukwethembeka kwayo kokusebenza isikhathi eside kanye ne-high-frequency, futhi ngezinye izikhathi badinga ukwazi impilo yayo yeshalofu. Ngokuvamile, impilo yokugcina yemikhiqizo ecutshunguliwe ye-PCBA yiminyaka engu-2-10, ethinteka kakhulu yizici ezilandelayo:
I-1. Imvelo
Indawo enomswakama futhi enothuli ngokusobala ayihambisani nokulondolozwa kwe-PCBA. Lezi zici zizosheshisa i-oxidation nokungcola kwe-PCBA futhi zifinyeze impilo yeshelufu ye-PCBA. Ngokuvamile, kunconywa ukuthi ugcine i-PCBA endaweni eyomile, engenalo izintuli nezinga lokushisa elingashintshi elingu-25 ℃.
2. Ukuthembeka kwezingxenye
Ukuthembeka kwezingxenye nezingxenye kuma-PCBA ahlukene nakho kunquma kakhulu impilo yeshelufu ye-PCBA. Izingxenye nezingxenye ezinekhwalithi ephezulu kanye nezinqubo zinamandla okumelana nezindawo ezinokhahlo, ezinohlu olubanzi lwamakhono nokumelana ne-oxidation okuqinile, okunikeza isiqinisekiso sokuzinza kwe-PCBA.
3. Inqubo yokwelapha yezinto ezibonakalayo nephezulu yebhodi lesifunda
Izinto zebhodi lesifunda ngokwazo azithinteki kalula emvelweni, kodwa inqubo yayo yokwelashwa kwendawo ithinteka kakhulu yi-air oxidation. Ukwelashwa okuhle kwendawo kungandisa impilo yeshelufu ye-PCBA.
4. PCBA ibhodi egijima umthwalo
Umthwalo wokusebenza kwe-PCBA uyisici esibaluleke kakhulu empilweni yayo yokugcina. Ukusebenza nge-frequency ephezulu kanye nomthwalo ophezulu kuzoba nomthelela ophezulu oqhubekayo emigqeni yebhodi lesifunda kanye nezingxenye, okuzoba lula u-oxidize ngaphansi kwethonya lokushisa, okuholela ekujikelezeni okufushane kanye nesifunda esivulekile ngesikhathi sokusebenza isikhathi eside. Ngakho-ke, imingcele yokusebenza yebhodi le-PCBA kufanele ibe phakathi kwebanga eliphakathi lezingxenye futhi igweme ukuba seduze nenani eliphakeme, elingavikela ngempumelelo i-PCBA futhi andise ukuphila kwayo kokulondoloza.
Impilo yeshelufu yemikhiqizo ecutshunguliwe ye-PCBA ingumsebenzi obanzi, odinga ukulandela imininingwane yedizayini yesayensi, imininingwane yenqubo yokukhiqiza kanye nokucaciswa kokusebenza, ukuze kwandiswe impilo yeshalofu.
Okungenhla yizicaciso nezinto ezingagcinelwa zona PCBA ukucubungula imikhiqizo. Ngethemba ukuthi ingakusiza.

 

Manje kunemishini eminingi ye-elekthronikhi, inqobo nje uma imikhiqizo engasetshenziswa idinga i-PCB, abakhiqizi abaningi bemikhiqizo ye-elekthronikhi abazi ukuthi bakhokhisa kanjani ukucubungula kwe-PCBA. Izindleko zokucubungula ze-PCBA zakhiwe ngalezo.
I-PCBA patch processing cost ukwakheka
1. Imali ye-PCB (uma uzihlinzeka ngokwakho, ngeke ikhokhiswe);
2. Imali yokuthenga ingxenye (uma uzihlinzeka ngokwakho lokhu, nayo imahhala);
3. Imali yokucubungula ye-SMT (i-SMD chip +dip post welding);
4. Imali yokuhlola ye-PCBA kanye nemali yokuhlanganisa.
Ukubalwa kwezindleko ze-PCBA patch processing
1, Imali yebhodi le-PCB
Uma ufuna ukuthola iphrosesa ye-PCBA ukuze ikusize ucubungule, udinga ukunikeza amafayela e-PCB nohlu lwe-BOM. Iphrosesa ye-PCBA izokusiza ukuthi wenze amabhodi angenalutho we-PCB ngokuya ngamafayela akho e-PCB. Ngalesi sikhathi, ingxenye yokuqala yezindleko, imali yebhodi le-PCB, izokwenziwa. Izindleko zebhodi le-PCB zincike ebunzimeni benqubo yebhodi. Isibonelo, izintengo zebhodi le-4-layer, ibhodi le-8-layer, i-aluminium substrate kanye nebhodi le-carbon inki lihlukile. Kunjalo, ungase futhi uthole PCBA board ifektri yakho ukuze icutshungulwe. Intengo ngokuqinisekile ayishibhile kangako. Phela kumele kube nesaphulelo ekubambisaneni kwabanye isikhathi eside. Sicela uzizwe ukhululekile ukuba umashiqela wendawo.
2. Izindleko zokuthenga ingxenye
I-PCBA patch processing part II izindleko, izindleko zokuthenga ingxenye. Umkhiqizi wokucubungula uthenga izingxenye nezingxenye ozidingayo ngokusho kwe-BOM. Lapho uthenga izingxenye nezingxenye, ngenxa yokulayishwa kwediski njengama-resistors nama-capacitor kanye nokulahlekelwa kwe-chip ye-SMT (njengokweqa ibhodi elingalungile, ukungasusi itheyiphu yekhoyili ngesikhathi, njll.), cishe u-5% wokulahlekelwa kwempahla kufanele kuhlanganiswe; Abakhiqizi banokubambisana kwesikhathi eside nabakhiqizi bezingxenye, ngakho intengo izoba ngaphansi.
3, Imali yokucubungula ye-SMT (i-SMD chip + dip post welding)
Lapho ubala imali yokucubungula ye-SMT, kufanele uqale ubone ukuthi likhulu kangakanani iqoqo lakho lokucubungula. Uma kukhulu kuno-2000pic, asikho isidingo sokukhokhisa imali yobunjiniyela, ngaphandle kwalokho kuzoba nemali eyengeziwe yobunjiniyela. Okulandelayo, bala inani lamaphoyinti aphindwe ngeyunithi yenani lamaphoyinti. Intengo yeyunithi yamaphoyinti wokuchibiyela iphakathi kuka-0.01-0.015 yuan. Inani lamaphoyinti libalwa ngokuvumelana nezikhonkwane ezimbili ze-SMT patch material kanye nephinikhodi eyodwa ye-dip plug-in. Nandisa okubili. Ukucwengwa kungahlukaniswa kube:
I-elementi engu-1.0402 ibalwa njengo-0.015 ichashazi ngalinye * uhlobo lwemali 0603-1206 izingxenye zibalwa ngo-0.015 ngephoyinti ngalinye * uhlobo lwemali
2. iphinikhodi eyodwa yezinto ze-plug-in iphuzu; Ibalwa njengo-0.015 ngephuzu ngalinye * lwemali.
3. izikhonkwane ezine zohlobo lwe-slot ziyiphuzu elilodwa; Ibalwa njengo-0.015 ngephuzu ngalinye * lwemali.
4. IC evamile, izikhonkwane ezi-4 ziyiphuzu elingu-1; Ibalwa njengo-0.015 ngephuzu ngalinye * lwemali.
5. iphinikhodi eliminyene IC, izikhonkwane ezimbili ziyiphuzu elilodwa; Ibalwa njengo-0.015 ngephuzu ngalinye * lwemali.
6. imilenze emibili ye-BGA iyiphuzu elilodwa; Ibalwa njengo-0.015 ngephuzu ngalinye * lwemali.
7. umshini unamathiselwe izinto eziyinqwaba zizobalwa ngokuphinda kabili umthamo wezingxenye.
8. imali eyengeziwe ibalwa njengo-20 yuan * ngehora
9. ikhotheshini ayifaki imali yokuhlola, imali yokuthutha, intela, njll.
4, Imali yokuhlola ye-PCBA kanye nemali yokuhlanganisa
Imali yokuhlola ye-PCBA ngokuvamile ibalwa njengamayuan angu-2 ngepuleti ngalinye, kanye nemali yokuhlanganisa ne-PCBA yokupakisha, ngokuvamile engu-0.8 yuan ipuleti ngalinye. Lena ingxenye yesine yemali.
Hlanganisa izingxenye ezine ezingenhla zezindleko, okuyizindleko zokucubungula isichibi se-PCBA.
Okungenhla ukuthi ungashaja kanjani ukucubungula isichibi se-PCBA? Isingeniso sokwakhiwa kwezindleko zokucubungula isichibi se-PCBA, ngethemba ukuthi singakusiza, futhi ngifuna ukwazi okwengeziwe mayelana PCBA ukucubungula ulwazi.