Tashar sake aikin BGAƙwararrun kayan aiki ne da ake amfani da su don gyara abubuwan BGA, wanda galibi ana amfani dashi a cikin masana'antar SMT.Na gaba, za mu gabatar da ainihin ƙa'idar tashar sake aikin BGA da kuma nazarin mahimman abubuwan don inganta ƙimar gyaran BGA.
Za a iya raba tashar sake aikin BGA zuwa teburin gyaran fuska na gani da kuma teburin gyaran madaidaicin madaidaicin.Ƙididdigar gani yana nufin daidaitawar na'urorin gani yayin walda, wanda zai iya tabbatar da daidaiton daidaitawar walda da haɓaka ƙimar nasarar walda.Ƙididdigar da ba na gani ba, wanda ake yi da gani, ba shi da inganci lokacin walda.
A halin yanzu, manyan hanyoyin dumama tashar sake aikin BGA sun haɗa da cikakken infrared, cikakken iska mai zafi da iska mai zafi guda biyu da infrared ɗaya.Hanyoyin dumama daban-daban suna da fa'ida da rashin amfani daban-daban.Daidaitaccen hanyar dumama tashar BGA rework a China gabaɗaya iska ce mai zafi a sama da ƙananan sassa da infrared preheating a ƙasa, wanda ake magana da shi azaman yanki mai zafin jiki uku.Ana dumama kawunan sama da ƙasa ta hanyar dumama waya kuma ana fitar da iska mai zafi ta hanyar iska.Za'a iya raba preheating na ƙasa zuwa bututun dumama duhu ja, farantin dumama infrared da farantin dumama hasken infrared.
1. Dumama sama da ƙasa haske
Ta hanyar dumama waya dumama, da zafi iska za a watsa zuwa ga BGA aka gyara ta cikin iska bututun ƙarfe, don cimma manufar dumama BGA aka gyara, da kuma ta sama da ƙananan zafi iska hurawa, na iya hana kewaye hukumar m dumama nakasawa.
2. Kasa infrared dumama
Infrared dumama yafi taka preheating rawa, cire danshi a cikin kewaye hukumar da BGA, da kuma iya yadda ya kamata rage zafin jiki bambanci tsakanin dumama cibiyar da kewaye, rage yiwuwa na kewaye hukumar nakasar.
3. Tallafawa da daidaitawa na tashar sake aikin BGA
Wannan bangare yafi tallafawa da gyara allon da'ira kuma yana taka muhimmiyar rawa wajen hana nakasar hukumar.
4. Kula da yanayin zafi
Lokacin tarwatsawa da waldawar BGA, akwai buƙatu mai mahimmanci don zafin jiki.Idan zafin jiki ya yi yawa, yana da sauƙi don ƙone abubuwan BGA.Don haka, teburin gyaran gabaɗaya ana sarrafa shi ba tare da kayan aiki ba, amma yana ɗaukar ikon PLC da cikakken sarrafa kwamfuta, wanda zai iya sarrafa zafin jiki a ainihin lokacin.
Lokacin gyaran BGA ta tashar sake yin aiki, yawanci shine don sarrafa zafin dumama da hana nakasar allon kewayawa.Ta hanyar yin waɗannan sassa biyu da kyau kawai za a iya haɓaka ƙimar nasarar gyara BGA da gaske.
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Lokacin aikawa: Oktoba-15-2021