SMT sanyawa aiki, ta hanyar kudi da ake kira lifeline na jeri aiki shuka, wasu kamfanoni dole ne kai 95% ta hanyar kudi ne har zuwa misali line, don haka ta hanyar kudi na high da kuma low, nuna fasaha ƙarfi na jeri aiki shuka, tsari quality. , Ta hanyar ƙima na iya inganta haɓakar haɓakar kamfani, rage farashin samarwa, Z yana da mahimmanci don samun damar isar da kwanciyar hankali, haɓaka gamsuwar abokin ciniki.
Ma'anar ƙimar kai tsaye
Adadin isa ga ma'aunin jigilar kaya a lokaci guda.
Madaidaicin-ta hanyar (First Pass Yield, FPY) musamman yana nufin: adadin kyawawan samfuran da suka wuce duk gwaje-gwaje a karon farko da aka sanya tsarin cikin saiti 100 na PCBs a cikin layin samarwa.Sabili da haka, bayan layin samarwa ya sake yin aiki ko gyare-gyare don wuce samfuran gwaji, ba wani ɓangare na lissafin ƙimar kai tsaye ba.
Waɗanne dalilai ke shafar ƙimar madaidaiciya-ta hanyar
1. kayan (ciki har da kayan haɗin lantarki daban-daban a farkon matakin, har da allunan PCB)
2. manna solder
3. inganci da tunanin ma'aikata
Yadda ake haɓakawa da haɓaka ƙimar kai tsaye
Matsakaicin daidaitaccen ƙimar yana da alaƙa da riba da rayuwar rayuwar kasuwancin, don haka kowane masana'anta na guntu yana fahimtar haɓakawa da haɓaka ƙimar madaidaiciya, 100% tabbas ba zai iya kaiwa ba, amma kuma yana fatan samun fiye da 98%.
Don haka, zaku iya inganta ƙimar kai tsaye ta hanyar wasu hanyoyin haɗin yanar gizo masu zuwa.
1. Inganta pcb hukumar stencil zane
Fiye da 70% na waldi ingancin a cikin solder manna bugu tsari, wanda shi ne SMT masana'antu sun takaita da kwarewa data, solder manna bugu ne smt Z gaba aiwatar aiwatar, solder manna biya diyya, ja tip, rushewa, a yawancin lokuta shi ne stencil design lahani, stencil na iya zama ma babba / ƙananan buɗewa, stencil rami bango m, da dai sauransu zai haifar da sama da aka ambata bad, wanda take kaiwa zuwa pcb gammaye a kan manna ne mara kyau, sakamakon waldi Bad, don haka shafi kai tsaye-ta. ƙimar.
2. Zaɓi nau'in nau'in nau'in solder mai dacewa
Solder manna shi ne cakude daban-daban na karafa da kuma fluxes, kama da man goge baki, solder manna ya kasu kashi 5, 3 da sauran iri daban-daban na solder manna, daban-daban kayayyakin bukatar zabi daban-daban solder manna don bugawa.
Cikakken labari game da manna solder
Sarrafa guntu na SMT wanda nau'ikan manna siyar, ajiya da amfani da ainihin fahimtar muhalli
3. DaidaitaInjin bugu na SMTsqueegee kwana, matsa lamba
Buga inji scraper matsa lamba, kwana zai shafi abubuwan solder manna, matsa lamba ne babba, zai haifar da m solder manna, kuma mataimakin versa, da kwana Z mai kyau ne 45-60 digiri kewayon.
4. Maimaita tandayanayin zafi
Dangane da samfuran daban-daban, daidaita lokacin preheating, sake jujjuya yanayin zafin jiki, ta amfani da ma'aunin zafin jiki na tanderu, kusa da ainihin zafin jiki na samarwa, sannan samun yanayin zafin tanderu, sannan daidaita yanayin zafin tanderun, ta yadda zafin wutar tanderu lankwasa a layi tare da solder manna da samfurin soldering bukatun.
Lokacin aikawa: Fabrairu-17-2022