Okuwusizo
Ekupheleni kwawo-1990 lapho kwakhiwa abaningiibhodi lesifunda eliphrintiwekwahlongozwa izixazululo, amabhodi esekethe aphrintiwe akhiwe ngokusemthethweni asetshenziswa ngokusemthethweni ngobuningi kuze kube manje.Kubalulekile ukwakha isu lokuhlola eliqinile lemihlangano yebhodi yesifunda ephrintiwe emikhulu, enomthamo omkhulu (PCBA, umhlangano webhodi lesifunda ophrintiwe) ukuze kuqinisekiswe ukuhambisana nokusebenza ngokuklama.Ngaphezu kokwakha nokuhlola le mihlangano eyinkimbinkimbi, imali etshalwe ku-electronics iyodwa ingaba phezulu, ngokunokwenzeka ifinyelele ku-$25,000 ngeyunithi lapho isihloliwe ekugcineni.Ngenxa yalezi zindleko eziphakeme, ukuthola nokulungisa izinkinga zomhlangano kuyisinyathelo esibaluleke nakakhulu manje kunangesikhathi esidlule.Imihlangano yanamuhla eyinkimbinkimbi icishe ibe ngamasentimitha ayi-18 isikwele nezingqimba eziyi-18;ibe nezingxenye ezingaphezu kwezi-2,900 emaceleni aphezulu naphansi;ziqukethe ama-circuit nodes angu-6,000;futhi ube namaphuzu e-solder angaphezu kuka-20,000 okufanele uwahlole.
iphrojekthi entsha
Intuthuko entsha idinga ama-PCBA ayinkimbinkimbi, amakhudlwana kanye nokupakishwa okuqinile.Lezi zidingo zibekela inselele ikhono lethu lokwakha nokuhlola lawa mayunithi.Ukuqhubekela phambili, amabhodi amakhulu anezingxenye ezincane nokubalwa kwamanodi aphezulu cishe kuzoqhubeka.Isibonelo, idizayini eyodwa okwamanje edwetshelwe ibhodi lesifunda inamanodi acishe abe ngu-116,000, izingxenye ezingaphezu kwezi-5,100, kanye namajoyinti e-solder angaphezu kuka-37,800 adinga ukuhlolwa noma ukuqinisekiswa.Lolu phiko luphinde lube nama-BGA phezulu naphansi, ama-BGA asondelene.Ukuhlola ibhodi lalobu bukhulu nobunzima kusetshenziswa umbhede wendabuko wezinaliti, i-ICT indlela eyodwa ayinakwenzeka.
Ukwandisa ubunkimbinkimbi be-PCBA kanye nokuminyana ezinqubweni zokukhiqiza, ikakhulukazi ekuhloleni, akuyona inkinga entsha.Ngokubona ukuthi ukukhulisa inani lamaphini okuhlola endaweni yokuhlola ye-ICT kwakungeyona indlela, saqala ukubheka ezinye izindlela zokuqinisekisa isekethe.Uma sibheka inani lokuphuthelwa kwe-probe ngesigidi, sibona ukuthi kuma-node angu-5000, amaphutha amaningi atholiwe (angaphansi kuka-31) kungenzeka ngenxa yezinkinga zokuxhumana nophenyo kunokuba kube nezinkinga zangempela zokukhiqiza (Ithebula 1).Ngakho-ke sizimisele ukwehlisa inani lamaphini okuhlola, hhayi phezulu.Noma kunjalo, ikhwalithi yenqubo yethu yokukhiqiza ihlolwa kuyo yonke i-PCBA.Sinqume ukuthi ukusebenzisa i-ICT yendabuko ehlanganiswe ne-X-ray tomography kwakuyisixazululo esisebenzayo.
Isikhathi sokuthumela: Mar-03-2023