Amahame shingiro yubushakashatsi bwa PCB
Ukurikije isesengura ry’imiterere ihuriweho n’ibicuruzwa bitandukanye, kugirango huzuzwe ibisabwa byiringirwa by’abagurisha, igishushanyo mbonera cya PCB kigomba kumenya ibintu by'ingenzi bikurikira:
1, guhuza: impera zombi za padi zigomba kuba zisa, kugirango habeho kuringaniza ibicuruzwa byagurishijwe hejuru.
2. Umwanya wa padi: Menya neza ubunini bukwiye bwibice byanyuma cyangwa pin na padi. Umwanya munini cyane cyangwa muto cyane padi bizatera inenge zo gusudira.
3. Ingano isigaye ya padi: ubunini busigaye bwibice birangira cyangwa pin nyuma yo gukubita hamwe na padi bigomba kwemeza ko umugurisha ashobora gukora menisk.
4.Ubugari bwa padi: Igomba kuba ihuza cyane nubugari bwimperuka cyangwa pin yibigize.
Ibibazo byo gukemura biterwa nubusembwa
01. Ingano ya padi iratandukanye
Ingano yububiko bwa padi igomba kuba ihamye, uburebure bugomba kuba bukwiranye nurwego, uburebure bwa padi bufite intera ikwiye, ngufi cyane cyangwa ndende cyane bikunda kugaragara kuri stele. Ingano ya padi ntabwo ihuye kandi impagarara ntizingana.
22. Ubugari bwa padi ni bugari kuruta pin igikoresho
Igishushanyo mbonera ntigishobora kuba kinini cyane kuruta ibice, ubugari bwa padi ni 2mil mugari kuruta ibice. Ubugari bwagutse cyane buzaganisha ku kwimura ibice, gusudira ikirere hamwe n'amabati adahagije kuri padi nibindi bibazo.
03. Ubugari bwa padi bugufi kuruta igikoresho pin
Ubugari bwibishushanyo mbonera biragufi kuruta ubugari bwibigize, kandi ubuso bwa padi buhuza nibice ni bike mugihe SMT ibishishwa, byoroshye gutera ibice guhagarara cyangwa guhindukira.
04. Uburebure bwa padi ni burebure kuruta pin igikoresho
Padiri yagenewe ntigomba kuba ndende kurenza pin yibigize. Kurenga urwego runaka, flux ikabije mugihe cyo gusudira kwa SMT bizatera ibice gukurura umwanya wa offset kuruhande rumwe.
05. Umwanya uri hagati yipapi ni ngufi ugereranije nibigize
Ikibazo cyumuzunguruko kigufi cyumwanya wa padi muri rusange kibaho mugace ka IC pad, ariko igishushanyo mbonera cyimbere cyizindi padi ntigishobora kuba kigufi cyane kuruta pin intera yibigize, bizatera uruziga rugufi niba rurenze urwego runaka rwagaciro.
06. Ubugari bwa pin bwa padi ni buto cyane
Muri SMT patch yikintu kimwe, inenge muri padi izatera ibice gukuramo. Kurugero, niba padi ari nto cyane cyangwa igice cya padi ni gito cyane, ntigikora amabati cyangwa amabati make, bikavamo impagarara zitandukanye kumpande zombi.
Imanza nyazo zo kubogama
Ingano yipapuro yibikoresho ntabwo ihuye nubunini bwa PCB
Ibisobanuro by'ibibazo:Iyo ibicuruzwa runaka bikozwe muri SMT, usanga inductance irangiye mugihe cyo kugenzura inyuma yo gusudira. Nyuma yo kugenzura, usanga ibikoresho bya inductor bidahuye na padi. * 1,6mm, ibikoresho bizahindurwa nyuma yo gusudira.
Ingaruka:Guhuza amashanyarazi yibikoresho biba bibi, bigira ingaruka kumikorere yibicuruzwa, kandi bigatera cyane ibicuruzwa kudashobora gutangira bisanzwe;
Kwagura ikibazo:Niba idashobora kugurwa mubunini bungana na PCB, sensor hamwe nuburwanya bugezweho birashobora guhura nibikoresho bisabwa numuzunguruko, noneho ibyago byo guhindura ikibaho.
Igihe cyo kohereza: Apr-17-2023
