Nigute Woroshya no kuzamura ireme rya PCBA?

1 - gukoresha tekinike ya Hybrid
Amategeko rusange nukugabanya ikoreshwa ryimiterere yinteko ivanze ikabagarukira mubihe runaka. Kurugero, inyungu zo gushiramo umwe-umwobo (Pth) ntizigera zihangana ningingo nigihe gikenewe kugirango iteraniro. Ahubwo, ukoresheje ibice byinshi bya Pth cyangwa kubikuraho rwose uko bishushanyije nibyiza kandi byiza. Niba Pthy tekinoroji isabwa, birasabwa gushyira ibice byose vias kuruhande rumwe rwumuzunguruko wacapwe, bityo bikagabanya igihe gikenewe kugirango inteko.

2 - Ingano
Mugihe cya PCB Igishushanyo mbonera, ni ngombwa guhitamo ubunini bukwiye kuri buri kintu. Muri rusange, ugomba guhitamo gusa pake nto niba ufite impamvu zifatika; Bitabaye ibyo, kwimuka kuri paki nini. Mubyukuri, abashushanya ibikoresho bya elegitoronike bakunze guhitamo ibice hamwe nibibazo bito bitari ngombwa, bigatuma ibibazo bishoboka bitari ngombwa mugihe cyicyiciro cyo guterana nibishobora guhindura umuzunguruko. Ukurikije urugero rwimpinduka zisabwa, mubihe bimwe na bimwe bishobora kuba byoroshye guteranya ikibaho cyose aho gukuraho no kugurisha ibice bisabwa.

3 - Umwanya wigize ibice
Ibice bigize igice nikindi kintu cyingenzi cyo guterana. Kubwibyo, abashushanya PCB bagomba kwemeza ko buri paki yakozwe neza ukurikije uburyo bwubutaka bwerekanwe muri buri rupapuro rwamakuru. Ikibazo nyamukuru cyatewe nibirenge bitari byo niho byabayeho "imbonangero yo kwitwa", bizwi kandi ku izina rya Manhattan ingaruka. Iki kibazo kibaho mugihe ingingo ihuriweho yakira ubushyuhe butaringaniye mugihe cyo kugurisha, bigatera ibice bihujwe kugirango bifatanye na PCB kuruhande rumwe aho kuba bombi. Ibintu byiva ibuye bigira ingaruka ahanini nibice bya smd smd nkabavugwa, ubushobozi, hamwe na ba kwiyeba. Impamvu yo kubaho kwayo ntabwo irishyuwe ridafite ishingiro. Impamvu ni izi zikurikira:

Ibipimo byubutaka bifitanye isano nibigizemo uruhare ntabwo aribyona Amplitude yinzira zijyanye nibice bibiri byibigize byinshi cyane, gukora nkubushyuhe.

4 - intera hagati yibice
Imwe mu mpamvu zitera kunanirwa kwa PCB nubwo umwanya udahagije hagati yibigize biganisha ku mikurire. Umwanya ni umutungo utoroshye, cyane cyane kubibazo byumuzunguruko bigoye cyane ugomba kubahiriza ibisabwa bitoroshye cyane. Gushyira ibice bimwe hafi yibindi bice birashobora guteza ibintu bitandukanye, ubukana bwayo bushobora gusaba impinduka kumiterere ya PCB cyangwa imikorere yo gukora, guta igihe no kwiyongera.

Iyo ukoresheje inteko yikora hamwe nimashini zipima, menya neza ko buri kintu gihagije kiri kure ibice bya mashini, ububiko bwumuzunguruko, nibindi bice byose. Ibigize biri hafi cyane cyangwa bizunguruka nabi nisoko yibibazo mugihe cyo kugurisha umuraba. Kurugero, niba igice kinini kibanziriza igice cyo hasi kuruhande rwinzira gikurikirwa numuhengeri, ibi birashobora guteza imbere ingaruka "igicucu" gigabanya uruhara. Umuriro uhuriweho uzunguruka perpendicular kuri mugenzi wawe bazagira ingaruka imwe.

5 - Urutonde rwibigize
Umushinga w'ibice (Bom) ni ikintu gikomeye muri PCB Igishushanyo mbonera no guterana. Mubyukuri, niba igisambo kirimo amakosa cyangwa bidahwitse, uwabikoze ashobora guhagarika icyiciro cyinteko kugeza nibi bibazo bikemuwe. Bumwe mu buryo bwo kwemeza ko igisambo gihora kandi kigezweho kandi kigezweho ni ugusubiramo byimazeyo kwa jam igihe cyose igishushanyo cya PCB kivugururwa. Kurugero, niba hari igice gishya cyongewe kumushinga wambere, ugomba kugenzura ko akazi kavuguruye kandi kigakomeza kunyuramo kimwe cyukuri, ibisobanuro, nagaciro.

6 - gukoresha amanota ya Datum
Ingingo zijyanye ningingo zizwi kandi nkibimenyetso bya fiducial, ni ishusho yumuringa ikoreshwa nkibimenyetso byerekana imashini zitera. Fiduorications Gushoboza imashini zikora kugirango umenye icyerekezo cyubuyobozi kandi uterane neza hejuru yikibuga cyo hejuru nka quad flat pack (QFP), Umupira Grid Orday Ntambere (QFN).

Fidations igabanijwemo ibyiciro bibiri: ibimenyetso byimiterere yisi yose hamwe nibimenyetso byihariye bya FIDUST. Ibimenyetso bya FIDULICAPOilly ku isi hose bishyirwa kumpande za PCB, bituma imashini zitora zo gutora kugirango itange icyerekezo cy'Inama y'Ubutegetsi mu ndege ya XY. Ibimenyetso bya FIDULIS byashyizwe hafi yimfuruka yibice bya smd bikoreshwa namashini yo gushyiramo neza ikirenge, bityo bikagabanya amakosa yumusaruro mugihe cyinteko. Ingingo za Datum zigira uruhare runini mugihe umushinga urimo ibice byinshi byegeranye. Igishushanyo 2 cyerekana inama ya Aduino yateranije hamwe ningingo ebyiri zisi yose zerekanwe mumutuku.