1. Isingeniso
Ekukhiqizweni kwe-elekthronikhi yesimanje, ukubekwa kwezingxenye kuyisigaba esiyinhloko senqubo ye-SMT (Surface Mount Technology), okuthonya ngqo ukuthembeka nokusebenza kwe-PCBA (Printed Circuit Board Assembly). Njengoba amadivayisi kagesi eba mancane futhi ehlanganiswa kakhulu, izinselele zokubekwa zanda kakhulu — kusukela ekuphatheni izingxenye ezincane kakhulu ze-01005 (0.4×0.2mm) kuya ekuhlangabezaneni nezidingo zokuthembeka zamaphakheji ayinkimbinkimbi njenge-BGA ne-QFN (I-IPC-7351B, 2014).
2. Izinto Eziyinhloko Zobuchwepheshe Zezinqubo Zokufaka
2.1 Ukuthathwa Nokubekwa Okunembe Kakhulu
- ·Ukuthathwa Okunembile: Isebenzisa izingalo zerobhothi eziqinile kakhulu kanye nama-nozzle e-vacuum aguquguqukayo ukulawula amandla okuthathwa nokugwema ukulimala kwengxenye (UJuki, 2023).
- ·Ukuqondanisa Okubonakalayo Okuhlakaniphile: Isebenzisa izinhlelo zokukhanya ezinesinqumo esiphezulu (isb., umbono we-3D we-Fuji NXT) ukuze ivumelanise izingxenye ngokunemba okungu-±15μm (I-Fuji, 2021).
- ·Isinxephezelo Sokukhweza Okunamandla: Ilungisa ingcindezi ye-Z-axis ngokusekelwe ekutholakaleni kwe-PCB warpage ukuqinisekisa ukuthintana kahle kwe-solder paste (i-Panasonic NPM Series Technical Manual).
2.2 Ukuthuthukisa Inqubo Nokuphathwa Kwedatha
- ·Ukuthuthukisa Uhlelo Lokufaka: Isebenzisa ama-algorithms ahlakaniphile okwenza ngcono amaphaneli ukuze ifinyeze izindlela zokuhamba zekhanda futhi ikhulise ukusebenza kahle kokubekwa (Iphepha Elimhlophe le-Yamaha YSM20R).
- ·Isizindalwazi Sezingxenye: Ihlanganisa amapharamitha ajwayelekile e-IPC-7351 amasu aqondile okuphatha amaphakheji e-0201, BGA, namanye (I-SMTnet, 2020).
- ·Ukuhlanganiswa Kwesistimu ye-MES: Iqinisekisa ukuqinisekiswa kwe-BOM kanye nokuvimbela amaphutha okuzenzakalelayo kokungafani kwezinto noma ukufakwa okuphambene.
3. Imishini Eyinhloko Nokulawulwa Kwezinqubo
3.1 Ukuphathwa Kwezimbozo Nokuphakelayo
- ·Ukuqapha Isimo Se-Nozzle: Ukuzwa kwe-vacuum ngesikhathi sangempela (umkhawulo ≥ -80kPa) kubangela ukuhlanzwa noma ukushintshwa okuzenzakalelayo lapho kutholwa iphutha (UJuki, 2023).
- ·Ukuvimbela Iphutha Lokuphakelayo: Ukulandelela ikhodi ye-RFID/QR kuqinisekisa ukulandeleka kanye nokuphathwa komjikelezo wokuphila ukuze kugwenywe ukuminyana kwetheyiphu kanye nokudla okungenalutho (I-NEPCON Asia, 2023).
3.2 Ukuthembeka Kokuphakelayo
- ·Ukugcinwa Kokuvimbela: Ukulinganiswa kwegiya lokuphakelayo njalo ngemijikelezo eyizigidi ezimbili kunciphisa ukuphambuka komshini.
- ·Isexwayiso Sokungajwayelekile: Izinzwa zokudlidliza zibona ukunyakaza okungajwayelekile kusengaphambili, okuvumela ukuvala kanye nokulungisa okusebenzayo.
4. Inani Lamakhasimende kanye Nezicelo Zemboni
- ·Izimoto zikagesi: Ihlangabezana nezindinganiso zokuphepha ezisebenzayo ze-ISO 26262 zamamojula e-ECU anokuthembeka okuphila isikhathi eside.
- ·Amadivayisi Ezokwelapha: Ihambisana nezindinganiso ze-IEC 60601, inciphisa izingozi zokuhluleka ngenxa yokulahleka kwendawo.
- ·Imishini Yokuxhumana: Isekela ukufakwa kwephimbo elingu-≤0.3mm kwamamojula angu-5G mmWave kanye namabhodi okuxhumana anesivinini esikhulu.
5. Ukuqhathaniswa Kokusebenza Kwemishini Ejwayelekile
| Imodeli Yemishini | Ukunemba Kokubekwa (μm) | Isivinini (i-CPH) | Ingxenye Encane |
|---|---|---|---|
| I-Yamaha YSM20R | ±25 | 96,000 | 01005 |
| I-JUKI RS-1R | ±30 | 85,000 | 0201 |
| I-Panasonic NPM-W2 | ±20 | 108,000 | 01005 |
(Umthombo: Umbiko Wokuhlolwa we-NEPCON Asia 2023)
6. Isifinyezo: Izihluthulelo Zokufaka Okuthembekile Kakhulu
- ·Imishini Yokunemba: Isinxephezelo se-Multi-axis kanye nokunemba kwezinga le-micron.
- ·Izinhlelo Zokulawula Ezihlakaniphile: Ukuphathwa kwe-nozzle/feeder yomjikelezo wokuphila ogcwele.
- ·Idatha Ejwayelekile: Ukuhlanganiswa komtapo wolwazi wezingxenye ze-IPC + ukulandeleka kwe-MES.
Ngokusebenzisa ukulawula okuhlelekile kuyo yonke inqubo ephelele, abakhiqizi bangafinyelela isivuno sokuqala esingu-≥99.95% — okuyisilinganiso embonini ye-elekthronikhi — okuhlinzeka amakhasimende ngekhwalithi eqhubekayo kanye nokusebenza kahle kokukhiqiza.
Izinkomba
- 1.IPC-7351B, Izidingo Ezijwayelekile Zomklamo Wokuthambeka Okungaphezulu, 2014.
- 2. Umshini weFuji, Incwadi Yobuchwepheshe ye-NXT III, 2021.
- 3.Juki, Umbiko Wezobuchwepheshe Bokubekwa Okuthuthukisiwe, 2023.
- 4. I-NEPCON Asia, Ukulinganisa Imishini ye-SMT, 2023.
- 4.SMTnet, Ukuhlaziywa Kwekhwalithi Yenqubo, 2020.
