Sidee loo ogaan karaa habka daloolka daloolka korantada?

Boodhka SMT, gaar ahaan BGA iyo IC ee lagu dhejiyay shuruudaha maaraynta waa inay la siman yihiin, godka furka convex concave oo lagu daray ama laga jaray 1 mil, ma yeelan karo cidhifka daloolka hagaha ee daasadda cas, dalool hage waa kuul Tibetan, si loo daboolo. shuruudaha macaamiisha, qabashada habka godka fur waa multifarious, si gaar ah socodka geedi socodka dheer, habka loo xakameeyo adag, inta badan in heerkulbeegga hawada kulul iyo caabbinta saliid cagaaran si ay tijaabo alxanka off;Ka dib markii la daaweeyay, saliid qarax iyo dhibaatooyin kale ayaa dhacaya.Marka loo eego xaaladaha wax-soo-saarka dhabta ah, hababka dalool ee PCB kala duwan ayaa la soo koobay, iyo habka iyo faa'iidooyinka iyo khasaarooyinka ayaa la barbardhigay oo la faahfaahiyay:

Fiiro gaar ah: Mabda'a shaqada ee heerkulbeegga hawada kulul waa in la isticmaalo hawo kulul si meesha looga saaro alxanka xad-dhaafka ah ee dusha sare iyo dalool ee looxa wareegga daabacan, iyo alxanka soo hadhay waxaa si siman loo daboolay on suuf iyo line alxanka furan iyo qurxinta shaabadda dusha sare, taas oo ah mid ka mid ah. hababka daaweynta dusha sare ee guddiga wareegga daabacan.

I. Ku xidh habka daloolka ka dib marka la barbardhigo hawada kulul

Habka socodka: alxanka dusha saxan xannibaya →HAL→ dalool fur → daawaynta.Habka daloolka aan daahsoon waxaa loo qaatay wax soo saarka.Heerarka hawada kulul ka dib, saxan aluminium ama shaashad khad ayaa loo isticmaalaa si loo dhamaystiro godadka furyada qalcadaha oo dhan sida ay ugu baahan yihiin macaamiishu.Khad daloolku wuxuu noqon karaa khad xasaasi ah ama khad heerkulbeeye, si loo hubiyo joogteynta midabka filimka qoyan, khad dalooleedka fur ayaa sida ugu wanaagsan loogu isticmaalaa looxa khad isku mid ah.Habkani wuxuu xaqiijin karaa in simi hawada kulul ka dib godka iyada oo aan hoos saliid, laakiin ay fududahay in ay sababto fur god khad dusha guddiga wasakhaysan, sinnayn.Macmiilku wuxuu u nugul yahay alxanka farsamada marka la isticmaalayomashiinka SMTin lagu rakibo (gaar ahaan BGA).Sidaas awgeed macaamiil badan ayaan aqbalin habkan.

II.Heerarka hawada kulul ka hor inta aan la xirin habka daloolka

2.1 wareejinta garaafyada waxaa la sameeyaa ka dib daloolka fur, adkaynta iyo shiida xaashida aluminium

Nidaamkan habka loo maro mashiinka qodista CNC, qodista si loogu xidho xaashida aluminium daloolka, oo laga sameeyay shaashad, dalool fiilo, hubi in godka furka uu buuxo, khad dalool khad ah oo dalool ah, sidoo kale khad heerkulbeeg ah oo la heli karo, sifooyinkiisu waa inay noqdaan kuwo adag. Isbeddelka yaraynta resin waa yar yahay, iyo xoogga xidhitaanka derbiga daloolka ayaa wanaagsan.Socodku waa sida soo socota: pretreatment → dalool fur → saxan shiidi → garaaf wareejin → etching → alxanka caabbinta dusha saxan

Habkani wuxuu dammaanad qaadi karaa socodka siman ee daloolka fiilo, heerkulbeegga hawada kulul waxaa jiri doona saliid lahayn, dhinaca godka qarxinta dhibaatooyinka tayada sida saliidda, laakiin shuruudaha geeddi-socodka ee naxaasta dhumucda la tuuri karo, ka dhig daloolkan dhumucda naxaasta heerka macaamiisha, sidaas darteed guddiga oo dhan baahida sare ee dahaadhka naxaasta, iyo sidoo kale waxa uu leeyahay shuruud sare oo ku saabsan waxqabadka mishiinka shiidi, si loo hubiyo in xabagta on dusha naxaasta si fiican u saaro, sida dusha naxaas waa nadiif ah oo aan wasakhaysan. .Qaar badan oo ka mid ah dhirta PCB ma laha geeddi-socod dhumuc leh oo hal mar ah, iyo waxqabadka qalabku ma aha ilaa shuruudaha, taasoo keentay in habkan aan loo isticmaalin dhirta PCB.

2.2 Xakamaynta alxanka dusha guddiga daabacaadda shaashadda si toos ah ka dib daldaloogga xaashida aluminiumka

Nidaamkani wuxuu isticmaalaa mashiinka qodista kontoroolka NUMERICAL, soo bixi xaashida aluminiumka si aad u xirto godka, oo laga sameeyay nooca shaashadda, oo lagu rakibay shaashadda mashiinka daabacaadda godka fiilo, ka dib marka la dhammeeyo godka furka baarkinku waa inuusan dhaafin 30 daqiiqo, oo leh 36T screen shaashadda tooska ah ee daabacaadda shaashadda alxanka dusha sare ee caabbinta, geeddi-socodku waa: pretreatment - dalool fur - daabacaadda shaashadda - dubista hore - soo-gaadhista - horumarinta - daaweynta

Iyada oo habkan la hubin karo in saliid cover dalool conduction waa wanaagsan yahay, dalool dalool flat, midabka film qoyan waa joogto ah, heerkulbeegga hawada kulul hubin kartaa in dalool conduction ma aha daasadaha, kuul daasadda aan qarsoonayn godka, laakiin si fudud u keeni suufka khad ee daloolka ka dib markii la daaweeyay, taasoo keentay in la iibiyo liidata;Ka dib marka hawada kulul la simo, cidhifka daloolka daloolku waxa uu soo daadiyaa saliid.Way adag tahay in habkan loo isticmaalo xakamaynta wax soo saarka, waxaana lagama maarmaan ah in injineerada geedi socodka si ay u qaataan hababka gaarka ah iyo xuduudaha si loo hubiyo tayada daloolka fiilada.

2.3 godka aluminium fur, horumarinta, precuring, shiidi alxanka dusha saxan.

Mashiinka qodista CNC, qodista xaashida aluminiumka ee loo baahan yahay dalool fur, oo laga sameeyay shaashad, lagu rakibay shaashadda shift ee daabacaadda godka furaha, godka furku waa inuu buuxsamaa, labada dhinac ee soo ifbaxa ayaa ka wanaagsan, ka dibna ka dib markii la daweeyo, dusha saxan shiidi. daawaynta, habka waa: pretreatment - dalool fur qallajin ka hor - horumarinta - ka hor-daaweynta - alxanka dusha sare

Maadaama daawaynta godka fur ee habkani ay xaqiijin karto in aanay saliiddu ku dhicin ama ka dillaacin daloolka HAL ka dib, laakiin daasadaha daasadda ah ee ku qarsoon daloolka iyo daasadaha daloolka ka dambeeya HAL si buuxda looma xallin karo, sidaas darteed macaamiil badan ayaan aqbalin.

2.4 Alxanka xannibaadda iyo daloolka furka ayaa la dhammeeyaa isku mar.

Habkani wuxuu isticmaalaa shaashadda 36T (43T), oo lagu rakibay mashiinka daabacaadda shaashadda, isticmaalka suufka ama sariirta ciddiyaha, dhamaystirka guddiga isla mar ahaantaana, dhammaan iyada oo loo marayo godka daloolka, nidaamku waa: pretreatment - daabacaadda shaashadda - ka hor - qallajinta - soo-gaadhista - horumarinta - daaweynta.

Waqtiga geeddi-socodku waa gaaban yahay, isticmaalka qalabka sare, wuxuu dammaanad qaadi karaa ka dib daloolka saliidda, godka hagaha kululaynta hawada kulul maaha daasadda, laakiin sababtoo ah isticmaalka daabacaadda shaashadda si loo xiro daloolka, xusuusta godka oo leh tiro badan oo hawo ah, marka daaweynta, sicir-bararka hawada, si ay u jebiyaan iyada oo loo marayo xuubka alxanka iska caabin ah, leeyihiin godad, aan sinnayn, hawo kulul oo heerkulku hagi doonaa dalool waa qadar yar oo tiin ah.