01
Kuki urujijo
Nyuma yumurongo wumuzunguruko umaze gukorwa, umurongo wo guteranya SMT ugomba guhuzwa nibigize.Buri ruganda rutunganya SMT ruzerekana ingano ikwiranye ninama yumuzunguruko ukurikije ibisabwa byo gutunganya umurongo.Kurugero, ingano ni nto cyane cyangwa nini cyane, kandi umurongo wo guterana urakosowe.Ibikoresho byubuyobozi bwumuzunguruko ntibishobora gukosorwa.Ikibazo rero, twakora iki niba ubunini bwikibaho cyumuzunguruko ubwacyo ari gito ugereranije nubunini bwagenwe nuruganda?Ni ukuvuga, dukeneye guteranya ikibaho cyumuzunguruko tugashyira imbaho nyinshi zumuzingi mubice bimwe.Kwishyiriraho birashobora kunoza cyane imikorere yimashini yihuta yo gushyira hamwe no kugurisha imiraba.
02
Inkoranyamagambo
Mbere yo gusobanura uburyo bwo gukora muburyo burambuye hepfo, banza usobanure amagambo make yingenzi
Ikimenyetso: nkuko bigaragara ku gishushanyo cya 2.1,
Byakoreshejwe mugufasha guhitamo optique yimashini ishyira.Hano hari byibuze ingingo ebyiri zidasanzwe zerekana kuri diagonal yubuyobozi bwa PCB hamwe nibikoresho byabitswe.Ingingo zerekana kuri optique ihagaze ya PCB yose muri rusange iri kumwanya uhuye kuri diagonal ya PCB yose;imyanya ihagaze ya PCB igabanijwe Ingingo yerekanwe muri rusange kumwanya uhuye kuri diagonal ya sub-block PCB;kuri QFP (quad flat pack) hamwe na sisitemu yo kuyobora ≤0.5mm na BGA (ball grid array array pack) hamwe numupira wumupira ≤0.8mm, kugirango tunonosore neza neza aho washyizwe, birasabwa Shiraho ingingo yerekanwe kumpande zombi zinyuranye za IC
Ibipimo ngenderwaho:
a.Imiterere yatoranijwe yerekana ingingo ni uruziga rukomeye;
b.Ingano ya point de point ni 1.0 + 0.05mm ya diameter
c.Ingingo yerekanwe yashyizwe murwego rwiza rwa PCB, kandi intera yo hagati irenze 6mm kuva kuruhande rwibibaho;
d.Kugirango hamenyekane ingaruka zo kumenyekanisha no gucapura, ntihakagombye kubaho ikindi kimenyetso cyerekana silik-ecran, amakariso, V-grooves, umwobo wa kashe, icyuho cya PCB hamwe nu nsinga muri 2mm hafi yinkombe yikimenyetso cya fiducial;
e.Ikarita yerekana hamwe na masike yo kugurisha yashyizweho neza.
Urebye itandukaniro riri hagati yamabara yibintu nibidukikije, usige ahantu hatagurishijwe mm 1 nini kuruta ikimenyetso cyerekana optique, kandi nta nyuguti zemewe.Ntabwo bisabwa gushushanya impeta yo gukingira icyuma hanze y’ahantu hatagurishwa.