1. Intshayelelo
Kwimveliso ye-elektroniki yanamhlanje, ukubekwa kwezixhobo yinqanaba eliphambili lenkqubo ye-SMT (Surface Mount Technology), echaphazela ngokuthe ngqo ukuthembeka nokusebenza kwe-PCBA (Printed Circuit Board Assembly). Njengoko izixhobo ze-elektroniki ziba ncinci kwaye zidibene kakhulu, imingeni ekubekweni iyanda kakhulu - ukusuka ekuphatheni izinto ezincinci kakhulu ze-01005 (0.4×0.2mm) ukuya ekuhlangabezaneni neemfuno zokuthembeka kweepakeji ezintsonkothileyo ezifana ne-BGA kunye ne-QFN (IPC-7351B, 2014).
2. Izinto eziphambili zobuGcisa zeNkqubo zokuFaka
2.1 Ukulandwa Nokubekwa Okuchanekileyo
- ·Ukuthathwa ngokuchanekileyo: Isebenzisa iingalo zerobhothi eziqinileyo kunye neempumlo zevacuum eziguquguqukayo ukulawula amandla okuthatha kunye nokuthintela umonakalo wenxalenye (UJuki, 2023).
- ·Ulungelelwaniso olubonakalayo olukrelekrele: Isebenzisa iinkqubo zokukhanya ezinesisombululo esiphezulu (umz., umbono we-3D weFuji NXT) ukuze ilungelelanise izinto ngokuguquguqukayo ngokuchaneka kwe-±15μm (IFuji, 2021).
- ·Imbuyekezo Yokukhwelisa Okuguqukayo: Ilungisa uxinzelelo lwe-Z-axis ngokusekelwe ekufumanekeni kwe-PCB warpage ukuqinisekisa ukudibana okufanelekileyo kwe-solder paste (i-Panasonic NPM Series Technical Manual).
2.2 Ukuphucula Inkqubo kunye noLawulo lweDatha
- ·Ukulungiswa kweNkqubo yokuFakela: Isebenzisa ii-algorithms ezikrelekrele zokuphucula iiphaneli ukuze ifinyeze iindlela zokuhamba ngentloko kwaye yonyuse ukusebenza kakuhle kokubekwa (Iphepha Elimhlophe leYamaha YSM20R).
- ·Isiseko sedatha seCandelo: Idibanisa iiparameters ezisemgangathweni ze-IPC-7351 zezicwangciso ezichanekileyo zokuphatha i-0201, i-BGA, kunye nezinye iipakeji (I-SMTnet, 2020).
- ·Ukuhlanganiswa kweNkqubo ye-MES: Iqinisekisa ukuqinisekiswa kwe-BOM kunye nokuthintela iimpazamo ngokuzenzekelayo xa izinto zingahambelani okanye xa zifakelwa umva.
3. Izixhobo eziphambili kunye noLawulo lweNkqubo
3.1 Ulawulo lweeNozzle kunye neeFood
- ·Ukubeka iliso kwimeko yempumlo: Ukubona i-vacuum ngexesha langempela (umda ≥ -80kPa) kubangela ukucocwa okanye ukutshintshwa ngokuzenzekelayo xa kuchongwa iimpazamo (UJuki, 2023).
- ·Ukuthintela Impazamo Yokondla: Ukulandelela ikhowudi ye-RFID/QR kuqinisekisa ukulandeleka kunye nolawulo lomjikelo wobomi ukuze kuthintelwe ukuxinana kweeteyiphu kunye nokutya okungenanto (I-NEPCON Asia, 2023).
3.2 Ukuthembeka kweFeeder
- ·Ulondolozo Lokuthintela: Ukulinganiswa kwezixhobo zokuphakelwa rhoqo emva kwezigidi ezi-2 zemijikelo kunciphisa ukuphambuka koomatshini.
- ·Isilumkiso se-Anomaly: Izinzwa zokungcangcazela zibona intshukumo engaqhelekanga kwangaphambili, nto leyo evumela ukuvalwa okukhawulezileyo kunye nokugcinwa.
4. Ixabiso labathengi kunye nezicelo zoshishino
- ·Izixhobo zombane zeemoto: Ihlangabezana nemigangatho yokhuseleko esebenzayo ye-ISO 26262 kwiimodyuli ze-ECU ezinokuthembeka ixesha elide.
- ·Izixhobo zonyango: Iyahambelana nemigangatho ye-IEC 60601, inciphisa iingozi zokungaphumeleli ngenxa yokusilela kwindawo ethile.
- ·Izixhobo zoNxibelelwano: Ixhasa ukufakwa kwephiko elingu-≤0.3mm kwiimodyuli ze-5G mmWave kunye neebhodi zonxibelelwano ezikhawulezayo.
5. Uthelekiso Lokusebenza Kwezixhobo Eziqhelekileyo
| Imodeli yezixhobo | Ukuchaneka kokubekwa (μm) | Isantya (CPH) | Icandelo elincinci |
|---|---|---|---|
| Yamaha YSM20R | ±25 | 96,000 | 01005 |
| I-JUKI RS-1R | ±30 | 85,000 | 0201 |
| I-Panasonic NPM-W2 | ±20 | 108,000 | 01005 |
(Umthombo: Ingxelo yoVavanyo lwe-NEPCON Asia 2023)
6. Isishwankathelo: Izitshixo zokufakela izinto ezithembekileyo kakhulu
- ·Izixhobo Zokuchaneka: Imbuyekezo ye-multi-axis kunye nokuchaneka kwenqanaba le-micron.
- ·Iinkqubo zoLawulo oluQhelekileyo: Ulawulo olupheleleyo lwe-nozzle/feeder.
- ·Idatha esemgangathweni: Ukuhlanganiswa kwelayibrari yecandelo le-IPC + ukulandeleka kwe-MES.
Ngokusebenzisa ulawulo olucwangcisiweyo kuyo yonke inkqubo, abavelisi banokufikelela kwisiphumo sokuqala se-≥99.95% — uphawu olusetyenziswa kwishishini le-elektroniki — ukunika abathengi umgangatho ohambelanayo kunye nokusebenza kakuhle kwemveliso.
Iireferensi
- 1.IPC-7351B, Iimfuno Eziqhelekileyo Zoyilo LweeNqampu Zomphezulu, 2014.
- 2. Umatshini weFuji, Incwadi yoBugcisa ye-NXT III, 2021.
- 3.Juki, Ingxelo yeTekhnoloji yoPhakamiso oluPhambili, 2023.
- 4.NEPCON Asia, Umlinganiselo weZixhobo zeSMT, 2023.
- 4.SMTnet, Uhlalutyo loMgangatho weNkqubo, 2020.
