Boima ba kopano bo phahame, lihlahisoa tsa elektroniki li nyane ka boholo le boima bo bobebe, 'me molumo le karolo ea likaroloana tsa patch li ka ba 1/10 feela ea likarolo tsa plug-in tsa setso.
Ka mor'a khetho e akaretsang ea SMT, boholo ba lihlahisoa tsa elektronike bo fokotsehile ka 40% ho ea ho 60%, 'me boima bo fokotsehile ka 60% ho 80%.
Ho tšepahala ho phahameng le ho hanyetsa ho sisinyeha ho matla.Tekanyo e tlase ea sekoli ea motsoako oa solder.
Litšobotsi tse ntle tsa maqhubu a holimo.E fokotsehile tšitiso ea motlakase le RF.
Ho bonolo ho fihlella boiketsetso, ho ntlafatsa katleho ea tlhahiso.Fokotsa litšenyehelo ka 30% ~ 50%.Boloka data, matla, lisebelisoa, basebetsi, nako, joalo-joalo.
Hobaneng u sebelisa Surface Mount Skills (SMT)?
Lihlahisoa tsa elektronike li batla miniaturization, 'me likaroloana tsa plug-in tse nang le perforated tse sebelisitsoeng li ke ke tsa hlola li fokotseha.
Ts'ebetso ea lihlahisoa tsa elektronike e phethehile haholoanyane, 'me potoloho e kopantsoeng (IC) e khethiloeng ha e na likarolo tse nang le li-perforated, haholo-holo li-ics tse kholo, tse kopantsoeng haholo, le likaroloana tsa patch ea holim'a metsi li tlameha ho khethoa.
Boima ba lihlahisoa, boiketsetso ba tlhahiso, feme ho theko e tlase e phahameng, e hlahisa lihlahisoa tsa boleng ho fihlela litlhoko tsa bareki le ho matlafatsa tlholisano ea 'maraka.
Nts'etsopele ea likarolo tsa elektroniki, nts'etsopele ea lipotoloho tse kopaneng (ics), ts'ebeliso e ngata ea data ea semiconductor
Phetoho ea theknoloji ea elektronike e bohlokoa, ho lelekisa mokhoa oa lefats'e
Ke hobane'ng ha u sebelisa mokhoa o sa hloekang tsebong ea holim'a metsi?
Ts'ebetsong ea tlhahiso, metsi a litšila ka mor'a ho hloekisa sehlahisoa a tlisa tšilafalo ea boleng ba metsi, lefats'e le liphoofolo le limela.
Ntle le tlhoekiso ea metsi, sebelisa metsoako ea tlhaho e nang le chlorofluorocarbons (CFC&HCFC)Ho hloekisa ho baka tšilafalo le tšenyo ea moea le sepakapaka.Masala a sesebelisoa sa ho hloekisa a tla baka kutu ka boto ea mochini mme a ama boleng ba sehlahisoa ka botebo.
Fokotsa ts'ebetso ea ho hloekisa le litšenyehelo tsa tlhokomelo ea mochini.
Ha ho ho hloekisa ho ka fokotsa tšenyo e bakiloeng ke PCBA nakong ea motsamao le ho hloekisa.Ho ntse ho na le likarolo tse ling tse ke keng tsa hloekisoa.
Masala a flux a laoloa mme a ka sebelisoa ho latela litlhoko tsa ponahalo ea sehlahisoa ho thibela tlhahlobo ea pono ea maemo a ho hloekisa.
Phallo e setseng e 'nile ea ntlafatsoa ka mokhoa o tsoelang pele bakeng sa ts'ebetso ea eona ea motlakase ho thibela sehlahisoa se felileng hore se se ke sa tsoa ka motlakase, se bakang kotsi leha e le efe.
Mekhoa ea ho lemoha patch ea SMT ea polante ea ho lokisa patch ea SMT ke efe?
Ho sibolloa ha ts'ebetso ea SMT ke mokhoa oa bohlokoa haholo oa ho netefatsa boleng ba PCBA, mekhoa e ka sehloohong ea ho lemoha e kenyelletsa ho lemoha pono ea matsoho, ho lemoha ha solder paste thick gauge, ho lemoha ka mokhoa o ikemetseng, ho lemoha X-ray, tlhahlobo ea marang-rang, tlhahlobo ea nale e fofang, joalo-joalo. ka lebaka la lintlha tse fapaneng tsa ho lemoha le litšobotsi tsa mokhoa o mong le o mong, mekhoa ea ho lemoha e sebelisoang ts'ebetsong ka 'ngoe le eona e fapane.Mokhoeng oa ho lemoha oa smt patch processing plant, mokhoa oa ho lemoha ka letsoho le tlhahlobo ea othomathike ea Optical le tlhahlobo ea X-ray ke mekhoa e meraro e sebelisoang ka ho fetisisa tlhahlobo ea ts'ebetso ea kopano ea holim'a metsi.Teko ea Marang-rang e ka ba liteko tse tsitsitseng le liteko tse matla.
Global Wei Technology e u fa kenyelletso e khuts'oane ea mekhoa e meng ea ho lemoha:
Ntlha ea pele, mokhoa oa ho lemoha ka letsoho.
Mokhoa ona o na le lintlha tse fokolang 'me ha o hloke ho hlahisa mananeo a tlhahlobo, empa o lieha ebile o itšetlehile ka maikutlo 'me o hloka ho hlahloba sebaka se lekantsoeng ka mahlo.Ka lebaka la khaello ea tlhahlobo ea pono, ha e sebelisoe hangata e le mokhoa o ka sehloohong oa tlhahlobo ea boleng ba welding ho mohala oa hona joale oa ts'ebetso oa SMT, 'me boholo ba ona bo sebelisetsoa ho tsosolosa joalo-joalo.
Ea bobeli, mokhoa oa ho lemoha optical.
Ka phokotso ea boholo ba sephutheloana sa karolo ea PCBA chip le ho eketseha ha sekhahla sa patch board ea potoloho, tlhahlobo ea SMA e ntse e thatafala le ho feta, tlhahlobo ea mahlo ka letsoho ha e na matla, botsitso le ts'epahalo ea eona ho thata ho fihlela litlhoko tsa tlhahiso le taolo ea boleng, kahoo tshebediso ya ho lemoha ka matla e ntse e ba bohlokwa le ho feta.
Sebelisa automated optical inspection (AO1) e le sesebelisoa sa ho fokotsa likoli.
E ka sebelisoa ho fumana le ho felisa liphoso qalong ea ts'ebetso ea patch ho fihlela taolo e ntle ea ts'ebetso.AOI e sebelisa mekhoa e tsoetseng pele ea pono, mekhoa e mecha ea phepelo e bobebe, ho holisa haholo le mekhoa e rarahaneng ea ts'ebetso ho fihlela litekanyetso tse phahameng tsa ho ts'oara sekoli ka lebelo le phahameng la liteko.
Boemo ba AOl moleng oa tlhahiso ea SMT.Hangata ho na le mefuta e 3 ea thepa ea AOI moleng oa tlhahiso ea SMT, ea pele ke AOI e behoang skrineng ea khatiso ho bona phoso ea solder paste, e bitsoang post-screen printing AOl.
Ea bobeli ke AOI e behoang ka mor'a patch ho bona liphoso tsa ho kenya lisebelisoa, tse bitsoang post-patch AOl.
Mofuta oa boraro oa AOI o behoa ka mor'a ho phalla hape ho lemoha liphoso tsa ho kenya lisebelisoa le ho cheselletsa ka nako e le 'ngoe, e bitsoang post-reflow AOI.
