SMT aiki zai bayyana wasu mugun ingancin matsaloli, kamar a tsaye abin tunawa, ko da tin, komai solder, ƙarya solder, da dai sauransu .. Akwai da yawa dalilai na matalauta quality, idan akwai bukatar takamaiman bincike na musamman matsaloli.
A yau tare da ku don gabatar da bugu na SMT ko da tin dalilai da mafita.
Menene SMT ko da tin?
Daga ainihin ma'anar ra'ayi na tin za a iya fahimta da kyau, shine kusan mashinan da ke kusa da su suna bayyana wuce gona da iri, samuwar haɗin gwiwa, pads daban-daban ko layi, ta hanyar wuce gona da iri da aka haɗa tare, wanda kuma aka sani da gada tin.
Mai zuwa shine SMT har ma da dalilai na kwano da inganta matakan magancewa:.
1.Poor mannewa na solder manna
Solder manna an yi da gwangwani foda da juyi hade, a cikin unpacked kafin amfani za a sanya a cikin firiji, lokacin da bukatar yin amfani da, shi wajibi ne don dumama sama da motsawa ko'ina a gaba, bayyana ko da tin ne saboda rashin danko. na manna, na iya komawa zuwa zafin jiki ko lokacin motsawa bai isa ba.
Matakan ingantawa
Kafin amfani, dumama man man na tsawon fiye da minti 30 kuma a motsa har sai manna bai rushe ba.Ƙari da yawa manyan masana'antu a yanzu suna amfani da ƙwararrun kayan aikin sarrafa manna, wanda zai iya inganta wannan matsala yadda ya kamata.
2.Stecil budewa bai isa ba
Ana buƙatar amfani da Stencil don facin, stencil shine ainihin ɗigon pcb, ana buƙatar yin shi tare da girman kushin pcb da girman, wuri, wasu lahani na samar da stencil, ƙila a sami manyan buɗewa, yana haifar da zubar da adadin adadin. bugu solder manna yayi yawa, akwai canjin manna wanda ya haifar da ko da tin.
Hanyoyin haɓaka haɓakawa
Ana buƙatar a bincika stencil a hankali akan fayil ɗin Gerber, kuma yakamata a yi amfani da Laser don buɗe stencil, yayin buɗe stencil (musamman ga pads tare da fil) ya kamata ya zama kwata karami fiye da ainihin kushin.
3.Na'urar bugu da manna solderbugu, allon pcb ya bayyana sako-sako
PCB gammaye don buga solder manna, bukatar yin amfani da solder manna bugu inji, solder manna bugu inji yana da tebur for PCB solder manna bugu da demoulding, a cikin PCB kushin solder manna bugu, PCB bukatar canja wurin zuwa tebur kayyade wuri, da kuma Bukatar kafaffen allon pcb, idan madaidaicin matsayi na canja wuri, kayan aiki bai matsa pcb ba, zai bayyana bugu diyya, samar da ko da tin.
Matakan ingantawa
A lokacin da ake buga manna solder akan firinta mai siyar, kuna buƙatar gyara shirin a gaba domin wurin canja wurin pcb daidai ne, kuma yakamata a bincika akai-akai tare da maye gurbinsa don kulawa.
Abubuwan da ke sama, don guje wa faruwar ko da tin da sauran marasa kyau, suna buƙatar yin aiki mai kyau a farkon tabbatarwa, amma kuma a bayan na'urar bugu don ƙarawa.Injin SMT SPI ganowa, kamar yadda zai yiwu don rage mummunan ƙimar.
SiffofinNeoDen ND1stencil printer
Canja wurin hanyar waƙa Hagu - Dama, Dama - Hagu, Hagu - Hagu, Dama - Dama
Yanayin watsa Sashe nau'in waƙa
Yanayin matsawa na PCB
Software daidaitacce matsa lamba na roba gefen matsa lamba
Zabin:
1. Overall kasa tsotsa chamber injin
2. Bottom multipoint partial vacuum
3. Gefen kulle clamping farantin
Hanyar goyan bayan allo Magnetic thimble, na'urar riƙe aiki na musamman (zaɓi: Grid-Lok)
Lokacin aikawa: Fabrairu-02-2023