YayinInjin SMT AOIza a iya amfani da su a wurare masu yawa a kan layin samar da SMT don gano takamaiman lahani, kayan aikin dubawa na AOI ya kamata a sanya su a cikin wani wuri inda za a iya gano mafi yawan lahani da kuma gyara da wuri-wuri.Akwai manyan wuraren bincike guda uku:
Bayan an buga manna solder
Idan tsarin bugu na solder ya cika buƙatu, ana iya rage yawan lahani na ICT sosai.Abubuwan da aka saba bugawa sun haɗa da:
A. Rashin isassun tin astencil printer.
B. Solder mai yawa akan kushin saida.
C. Rashin daidaituwa na solder zuwa kushin solder.
D. Solder gada tsakanin pads.
A cikin ICT, yuwuwar lahani dangane da waɗannan yanayi ya yi daidai da tsananin yanayin.Kadan kadan tin yana haifar da lahani, yayin da lokuta masu tsanani, kamar tin na asali, kusan koyaushe yana haifar da lahani a cikin ICT.Rashin isassun solder na iya zama sanadin asarar sassa ko buɗe haɗin gwiwa.Koyaya, yanke shawarar inda za'a sanya AOI yana buƙatar sanin cewa asarar ɓangaren na iya faruwa saboda wasu dalilai waɗanda dole ne a haɗa su cikin shirin dubawa.Wannan binciken wurin yana goyan bayan bin tsari da ƙira kai tsaye.Bayanan sarrafa ƙididdigewa a wannan matakin ya haɗa da bugu diyya da bayanin ƙarar solder, yayin da kuma ana samar da ingantaccen bayani game da bugu na solder.
Kafinreflow tanda
Ana yin binciken bayan an sanya sashin a cikin manna mai siyar a kan allo kuma kafin a ciyar da PCB a cikin tanderun da aka sake fitarwa.Wannan wuri ne na yau da kullun don sanya injin dubawa, saboda ana iya samun yawancin lahani daga bugu na manna mai siyar da jeri na inji anan.Bayanan kula da ƙididdiga na ƙididdigewa da aka samar a wannan wuri yana ba da bayani game da daidaitawar injunan guntu masu sauri da kuma kusa da kayan haɓaka kayan aiki.Ana iya amfani da wannan bayanin don gyara wurin sanya sassa ko nuna cewa mai hawan yana buƙatar daidaitawa.Duban wannan wurin ya dace da makasudin tsarin aikin.
Bayan reflow soldering
Bincika a ƙarshen tsarin SMT, wanda shine zaɓi mafi mashahuri ga AOI, saboda wannan shine inda za'a iya samun duk kurakuran taro.Binciken sake dawowa yana ba da babban matakin tsaro saboda yana gano kurakuran da ke haifar da bugu na manna solder, hawan sassa, da tsarin sake kwarara.
Lokacin aikawa: Dec-11-2020