Domin daidaitawa ga ƙara kasa da kasa da hankali ga kare muhalli, PCBA canza daga gubar zuwa jagoranci free tsari, da kuma amfani da sabon laminate kayan, wadannan canje-canje zai sa PCB kayayyakin lantarki solder hadin gwiwa yi canje-canje.Saboda kayan haɗin gwal suna da matukar damuwa ga gazawar iri, yana da mahimmanci don fahimtar yanayin yanayin na'urorin lantarki na PCB a ƙarƙashin yanayi mafi tsauri ta hanyar gwajin iri.
Don gami daban-daban na solder, nau'ikan fakiti, jiyya na saman ko kayan laminate, matsananciyar wahala na iya haifar da nau'ikan gazawa daban-daban.Rashin gazawa sun haɗa da fasa ƙwallon solder, lalacewar wayoyi, gazawar haɗin gwiwa mai alaƙa (skewing pad) ko gazawar haɗin gwiwa (kushin kushin), da fashe fakitin fakiti (duba Hoto 1-1).Yin amfani da ma'auni don sarrafa warping na allunan da aka buga ya tabbatar da amfani ga masana'antun lantarki kuma yana samun karbuwa a matsayin hanyar ganowa da inganta ayyukan samarwa.
Gwajin matsi yana ba da nazarin haƙiƙa na matakin ƙima da ƙima wanda fakitin SMT ke fuskantar yayin taron PCBA, gwaji, da aiki, yana ba da hanyar ƙididdigewa don ma'aunin warpage PCB da ƙimar ƙimar haɗari.
Makasudin auna ma'aunin shine don bayyana halayen duk matakan haɗuwa da suka haɗa da kayan inji.
Lokacin aikawa: Afrilu-19-2024