Menene gwajin binciken jirgin sama na allon kewayawa? Me yake yi? Wannan labarin zai ba ku cikakken bayanin gwajin gwajin jirgin sama na hukumar da'ira, da kuma ka'idar gwajin gwajin tashi da abubuwan da ke haifar da toshe ramin. Yanzu

Ka'idar gwajin binciken jirgin kewayawa yana da sauqi qwarai. Yana buƙatar bincike guda biyu kawai don motsa x, y, z don gwada ƙarshen ƙarshen kowane da'ira ɗaya bayan ɗaya, don haka babu buƙatar yin ƙarin kayan aiki masu tsada. Duk da haka, saboda gwajin gwaji ne na ƙarshe, gwajin gwajin yana da jinkiri sosai, game da maki 10-40 / s, don haka ya fi dacewa da samfurori da ƙananan samar da taro; dangane da yawan gwaji, ana iya amfani da gwajin gwajin tashi zuwa manyan alluna masu yawa, kamar MCM.

Ka'idar gwajin gwaji ta tashi: Yana amfani da na'urori 4 don gudanar da insulation high-voltage and low-resistance continuity test (gwajin buɗaɗɗen kewayawa da gajeriyar kewayawa) akan allon kewayawa, muddin fayil ɗin gwajin ya ƙunshi rubutun abokin ciniki da rubutun aikin injiniyanmu.

Akwai dalilai guda huɗu na gajeriyar kewayawa da buɗewa bayan gwajin:

1. Fayilolin abokin ciniki: na'urar gwajin za a iya amfani da ita kawai don kwatanta, ba bincike ba

2. Production line samar: PCB jirgin warpage, solder mask, m haruffa

3. Canjin bayanan tsari: Kamfaninmu yana ɗaukar gwajin daftarin injiniya, an cire wasu bayanai (ta hanyar) na daftarin aikin injiniya

4. Abubuwan kayan aiki: matsalolin software da hardware

Lokacin da kuka karɓi allon da muka gwada kuma muka wuce facin, kun ci karo da gazawar rami. Ban san abin da ya haifar da rashin fahimta ba cewa ba za mu iya gwada shi ba kuma muka tura shi. A gaskiya ma, akwai dalilai da yawa don gazawar ta hanyar rami.

Dalilai guda hudu ne kan haka:

1. Lalacewar da hakowa ke haifarwa: an yi jirgin ne daga resin epoxy da fiber gilashi. Bayan hakowa ta cikin rami, za a sami ragowar ƙura a cikin ramin, wanda ba a tsaftace shi ba, kuma jan ƙarfe ba zai iya nutsewa ba bayan an warke. Gabaɗaya, muna yin gwajin allura a cikin wannan yanayin Za a gwada hanyar haɗin gwiwa.

2. Lalacewar da nitsewar tagulla ke haifarwa: lokacin nutsewar tagulla ya yi ƙanƙanta sosai, ramin jan ƙarfe ba ya cika, haka ma ramin tagulla ba ya cika idan ta narke, yana haifar da munanan yanayi. (A cikin hazo na sinadarai na jan ƙarfe, akwai matsaloli a cikin aiwatar da cire slag, raguwar alkaline, micro-etching, kunnawa, haɓakawa, da nutsewar tagulla, irin su ci gaban da bai cika ba, ƙuruciyar ƙura, da sauran ruwa a cikin rami ba a wanke shi ba. tsaftataccen mahaɗin shine takamaiman bincike)

3. The kewaye hukumar vias bukatar wuce kima halin yanzu, da kuma bukatar thicken rami jan karfe ba a sanar a gaba. Bayan an kunna wutar lantarki, na yanzu ya yi girma da yawa don ya narke ramin jan ƙarfe. Wannan matsalar sau da yawa tana faruwa. Yanayin halin yanzu bai dace da ainihin halin yanzu ba. Sakamakon haka, jan ƙarfe na ramin ya narke kai tsaye bayan kunna wutar lantarki, wanda ya sa aka toshe ta hanyar kuma an yi kuskuren ba a gwada shi ba.

4. Lalacewar da ingancin tin SMT da fasaha ke haifarwa: Lokacin zama a cikin tanderun tin yana da tsayi sosai yayin walda, wanda ke sa ramin jan ƙarfe ya narke, wanda ke haifar da lahani. Abokan novice, dangane da lokacin sarrafawa, hukunci na kayan ba daidai ba ne , A karkashin babban zafin jiki, akwai kuskure a ƙarƙashin kayan aiki, wanda ya sa ramin jan karfe ya narke kuma ya kasa. Ainihin, masana'antar allo na yanzu na iya yin gwajin gwajin tashi don samfurin, don haka idan farantin an yi gwajin gwajin tashi 100%, don guje wa allon karɓar hannu don samun matsala. Abin da ke sama shine nazarin gwajin gwajin jirgin sama na hukumar kewayawa, ina fatan in taimaka wa kowa.