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amakuru

Nigute ushobora guhitamo ingano yo kugurisha ibicuruzwa?Ni ubuhe bushyuhe bukwiye cyane?

Inganda nyinshi za elegitoroniki zitekereza ko kugura imashini nini yo kugarura ibintu bishobora kuzuza ibisabwa muri rusange, ariko mubisanzwe bisaba amafaranga menshi kandi bigatanga umwanya.Kugaragaza zone 8 kugeza 10 kandi umuvuduko wumukandara byihuse birashobora kuba igisubizo cyiza mubidukikije bitanga umusaruro mwinshi, ariko uburambe bwacu bwerekanye ko ntoya, yoroshye, ihendutse cyane ya moderi ya zone 4 kugeza kuri 6 niyo nziza cyane Mugurisha kandi akora akazi keza yo gufata ibyatoranijwe no gushyira ibicuruzwa byinjira, byujuje ibicuruzwa byabugenewe byerekana ibicuruzwa, kandi bigatanga imikorere yizewe, bihebuje.Ariko ushobora gute kubyemeza?Nibicuruzwa bingahe bishobora gukora 4-zone, 5-zone cyangwa 6-zone yo kugarura ibintu?Ibiharuro bimwe byoroshye bishingiye kumibare yatanzwe nuwagurishije paste hamwe nabatanga ibikoresho bazaguha ibisobanuro byiza cyane

Solder paste igihe cyo gushyushya

Ikintu cya mbere ugomba gusuzuma ni uwagurishije paste yakozwe nuwashizeho ibyifuzo bya paste uzakoresha.Abakora ibicuruzwa bya Solder mubisanzwe batanga mugihe kinini cyamadirishya (ukurikije igihe cyo gushyushya cyuzuye) mubyiciro bitandukanye byerekana umwirondoro - amasegonda 120 kugeza 240 kumwanya wo gushyushya no gushiramo, n'amasegonda 60 kugeza kuri 120 kumwanya wo kugaruka / igihe kiri hejuru yamazi.Twabonye impuzandengo yubushyuhe bwigihe kingana niminota 4 kugeza 4½ (amasegonda 240-270) kugirango tugereranye neza.Kuri iyi mibare yoroshye, turagusaba ko wirengagiza gukonjesha imyirondoro.Gukonjesha ni ngombwa, ariko mubisanzwe ntabwo bizahindura ubuziranenge bwo kugurisha keretse PCB ikonje vuba.

Uburebure bw'itanura rishyushye

Ibikurikiraho ni igihe cyo gushyushya ibintu byose, hafi yinganda zose zigaruka zizatanga uburebure bwo gushyushya, rimwe na rimwe bita uburebure bwa tunnel, mubisobanuro byabo.Muri iyi mibare yoroshye, twibanze gusa kumwanya wo kugaruka aho ubushyuhe bubera.

umuvuduko wumukandara

Kuri buri cyerekezo ukoresha, gabanya uburebure bwubushyuhe (muri santimetero) hamwe nigihe cyateganijwe cyo gushyuha (mumasegonda).Noneho gwiza amasegonda 60 kugirango ubone umuvuduko wumukandara muri santimetero kumunota.Kurugero, niba ibicuruzwa byawe bigurisha ari amasegonda 240-270 kandi ukaba utekereza kugaruka kwa zone 6 hamwe na tuneli ya 80¾, gabanya santimetero 80.7 n'amasegonda 240 na 270.Kugwizwa n'amasegonda 60, ibi birakubwira ko ugomba gushyiraho umuvuduko wumukandara wo kugaruka hagati ya santimetero 17.9 kumunota na santimetero 20.2 kumunota.Umaze kumenya umuvuduko wumukandara ukeneye kubisubiramo utekereza, ugomba kumenya umubare ntarengwa wibibaho kumunota ushobora gutunganyirizwa muri buri cyerekezo.

Umubare ntarengwa wibyapa byerekana kumunota

Dufashe ko ku bushobozi ntarengwa ugomba kwipakurura imbaho ​​kugeza ku ndunduro kuri convoyeur ya feri yerekana, biroroshye kubara umusaruro mwinshi.Kurugero, niba ikibaho cyawe gifite uburebure bwa santimetero 7 naho umuvuduko wumukandara wa feri ya zone 6 ugaruka kuva kuri santimetero 17,9 kugeza kuri santimetero 20.2 kumunota, ibyinjira byinshi kuri ibyo byerekanwa ni 2.6 kugeza kuri 2.9 kumunota.Nukuvuga ko ikibaho cyo hejuru no hepfo kizunguruka kizagurishwa mumasegonda 20.

Amatara Yerekana Neza kubyo Ukeneye

Usibye ibintu byavuzwe haruguru, hari ibindi bintu byinshi tugomba gusuzuma.Kurugero, umusaruro wibice bibiri urashobora gusaba kwerekana impande zombi zigice kimwe, kandi ibikorwa byo guteranya intoki nabyo birashobora kugira ingaruka kubushobozi bwo kugarura bukenewe mubyukuri.Niba inteko yawe ya SMT yihuta cyane, ariko izindi nzira zigabanya ibicuruzwa byinjira mu ruganda rwawe, noneho kugaruka kwinshi kwisi ntabwo ari byiza kuri wewe.Ikindi kintu ugomba gusuzuma ni igihe cyo guhinduka kuva mubicuruzwa ujya mubindi.Bifata igihe kingana iki kugirango ubushyuhe bugaragare buhamye mugihe uhindutse uva mubindi?Hariho ibintu byinshi bitandukanye ugomba gusuzuma.

Inganda za Chengyuan zimaze imyaka irenga icumi zibanda ku kugurisha ibicuruzwa, kugurisha imiraba, hamwe n’imashini zitwikira.Murakaza neza kuvugana naba injeniyeri ba Chengyuan kugirango uhitemo kugurisha neza kugurisha.


Igihe cyo kohereza: Gicurasi-15-2023