Ungathuthukisa kanjani isivuno se-soldering se-CSP ye-fine-pitch nezinye izinto?Yiziphi izinzuzo kanye nokubi kwezinhlobo zokushisela ezifana ne-hot air welding kanye ne-IR welding?Ngokungeziwe ekufakweni kwe-wave soldering, ingabe ikhona enye inqubo yokuhlanganisa yezingxenye ze-PTH?Indlela yokukhetha izinga lokushisa eliphezulu kanye nokushisa okuphansi kwe-solder unamathisele?
I-Welding iyinqubo ebalulekile ekuhlanganiseni amabhodi e-electronic.Uma kungenangqondo kahle, akukhona nje ukwehluleka kwesikhashana okuningi okuzokwenzeka, kodwa futhi ukuphila kwamalungu e-solder kuzothinteka ngokuqondile.
Ubuchwepheshe be-Reflow soldering abuyona into entsha emkhakheni wokukhiqiza ngogesi.Izingxenye ezikumabhodi e-PCBA ahlukahlukene asetshenziswa kuma-smartphones ethu zidayiswa ebhodini lesifunda ngale nqubo.I-SMT reflow soldering yenziwa ngokuncibilikisa i-solder surface ebekwe ngaphambili Amalunga e-Solder, indlela yokuhlanganisa engafaki noma iyiphi i-solder eyengeziwe ngesikhathi senqubo yokuhlanganisa.Ngokusebenzisa isifunda sokushisisa ngaphakathi kwemishini, umoya noma i-nitrogen ishiselwa ekushiseni okuphezulu ngokwanele bese ifuthelwa ebhodini lesifunda lapho izingxenye zinamathiselwe khona, ukuze izingxenye ezimbili I-solder paste solder eseceleni incibilike futhi ihlanganiswe i-motherboard.Inzuzo yale nqubo ukuthi izinga lokushisa lilula ukulawula, i-oxidation ingagwenywa ngesikhathi senqubo ye-soldering, futhi izindleko zokukhiqiza nazo zilula ukulawula.
I-Reflow soldering isiphenduke inqubo evamile ye-SMT.Izingxenye eziningi kumabhodi ethu e-smartphone zidayiswa ebhodini lesifunda ngokusebenzisa le nqubo.Ukusabela ngokomzimba ngaphansi kokugeleza komoya ukuze kuzuzwe ukushisela kwe-SMD;isizathu sokuthi kungani kubizwa ngokuthi "i-reflow soldering" yingoba igesi ijikeleza emshinini wokushisela ukukhiqiza izinga lokushisa eliphezulu ukufeza injongo yokushisela.
I-Reflow soldering imishini iyisisetshenziswa esibalulekile enqubweni yomhlangano we-SMT.Ikhwalithi ehlanganyelwe ye-solder ye-PCBA soldering incike ngokuphelele ekusebenzeni kwemishini yokuphinda i-reflow soldering kanye nokumiswa kwejika lokushisa.
Ubuchwepheshe be-reflow soldering buhlangabezane nezinhlobo ezahlukene zentuthuko, njengokushisisa ngemisebe yepuleti, ukushisa kweshubhu ye-quartz infrared, ukufudumeza komoya oshisayo nge-infrared, ukufudumeza komoya oshisayo okuphoqelelwe, ukufudumeza komoya oshisayo okuphoqelelwe kanye nokuvikelwa kwe-nitrogen, njll.
Ukwenziwa ngcono kwezidingo zenqubo yokupholisa ye-reflow soldering futhi kukhuthaza ukuthuthukiswa kwendawo yokupholisa yemishini yokuphinda ifakwe emanzini.Indawo yokupholisa ipholiswa ngokwemvelo ezingeni lokushisa legumbi, ipholiswe emoyeni ibe yisistimu yokupholisa ngamanzi eklanyelwe ukujwayela ukusoda okungenamthofu.
Ngenxa yokuthuthukiswa kwenqubo yokukhiqiza, okokusebenza kokuphinda kufakwe i-solder kunezidingo eziphakeme zokunemba kokulawula izinga lokushisa, ukufana kwezinga lokushisa endaweni yokushisa, kanye nesivinini sokudlulisela.Kusukela ezindaweni zokushisa ezintathu zokuqala, izinhlelo zokushisela ezihlukene ezifana nezindawo zokushisa ezinhlanu, izindawo zokushisa eziyisithupha, izindawo zokushisa eziyisikhombisa, izindawo zokushisa eziyisishiyagalombili, kanye nezindawo zokushisa eziyishumi.
Ngenxa ye-miniaturization eqhubekayo yemikhiqizo ye-elekthronikhi, izakhi ze-chip sezivele, futhi indlela yendabuko yokushisela ngeke isakwazi ukuhlangabezana nezidingo.Okokuqala, inqubo ye-reflow soldering isetshenziswa ekuhlanganiseni amasekethe ahlanganisiwe ayi-hybrid.Iningi lezingxenye eziqoqwe futhi ezishiselwe ama-chip capacitor, ama-chip inductors, ama-mount transistors nama-diode.Njengoba ukuthuthukiswa kobuchwepheshe bonke be-SMT buya ngokuya buphelela, izinhlobonhlobo zezingxenye ze-chip (SMC) kanye nezinsimbi zokukhweza (i-SMD) ziyavela, kanye nobuchwepheshe benqubo ye-reflow soldering kanye nemishini njengengxenye yobuchwepheshe obukhulayo nakho kuye kwathuthukiswa ngokufanele, futhi ukusetshenziswa kwayo kuya ngokuya kuba banzi.Isetshenziswe cishe kuzo zonke izinkambu zemikhiqizo ye-elekthronikhi, futhi ubuchwepheshe bokuthengisa kabusha buphinde budlule izigaba ezilandelayo zokuthuthuka ezizungeze ukuthuthukiswa kwemishini.
Isikhathi sokuthumela: Dec-05-2022