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Nigute ushobora gukora pcb mumwanya?

  • 2021-10-29 18:26:06


1. Ikadiri yo hanze (impande zombi) ya Ikibaho cyumuzunguruko akanama kagomba gufata igishushanyo-gifunze kugirango harebwe niba PCB jigsaw itazahinduka nyuma yo gukosorwa kuri fixture;


2. Ubugari bwa panel ya PCB ≤260mm (umurongo wa SIEMENS) cyangwa 00300mm (umurongo wa FUJI);niba gutanga byikora bisabwa, ubugari bwa PCB ubugari × uburebure mm125 mm × 180 mm;

3. Imiterere ya jigsaw ya PCB igomba kuba hafi ya kare bishoboka, kandi 2 × 2, 3 × 3, …… jigsaw irasabwa;ariko ntugashyire hamwe ikibaho yin na yang;

4. Intera hagati hagati yamasahani mato igenzurwa hagati ya mm 75 na mm 145;

5. Mugihe ushyizeho aho uhagaze, mubisanzwe usige ahantu hatarwanya 1,5 mm kurenza uko uhagaze;


HASL Ibice byinshi byabigenewe kugurisha mask HASL Igishinwa FR4 pcb nyamukuru itanga isoko hamwe na UL ISO isanzwe yujuje ibyangombwa


6. Ntihakagombye kubaho ibikoresho binini cyangwa ibikoresho bisohoka hafi yibihuza hagati yikadiri yinyuma yikaramu ya jigsaw nu rubaho ruto imbere, no hagati yikibaho gito n'ikibaho gito, kandi hagomba kubaho umwanya urenze 0.5mm hagati ibice hamwe nuruhande rwubuyobozi bwa PCB.Kugirango umenye neza imikorere isanzwe yo gukata;

7. Imyobo ine yimyanya ikozwe kumpande enye zurwego rwinyuma rwikibaho, hamwe na diameter ya 4mm ± 0.01mm;imbaraga z'imyobo zigomba kuba ziciriritse kugirango zitazavunika mugihe cyo hejuru no hepfo;ubusobanuro bwa diameter yumwobo nu mwanya bigomba kuba birebire, kandi urukuta rwumwobo rugomba kuba rworoshye kandi rutarimo burrs.;

8. Buri kibaho gito muri jigsaw ya PCB kigomba kuba gifite byibuze imyobo itatu ihagaze, 3≤aperture≤6 mm, kandi nta nsinga cyangwa gutobora byemewe muri 1mm yumwobo uhagaze;

9. Ibimenyetso bifatika bikoreshwa muburyo bwa PCB yose hamwe no guhitamo ibikoresho byiza.Ihame, QFP ifite ikibanza kiri munsi ya 0,65mm igomba gushyirwa kumwanya wa diagonal;Ibimenyetso byerekana ibimenyetso bikoreshwa mugushiraho ikibaho cyumukobwa PCB bigomba guhuzwa Byakoreshejwe, bitunganijwe kuruhande rutandukanye rwibintu;

10. Ibice binini bigomba kugira imyanya ihagaze cyangwa ibyobo byerekana, nka I / O Imigaragarire, mikoro, interineti ya batiri, micro switch, interineti ya terefone, moteri, nibindi.



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