I. Rosin hadin gwiwa lalacewa ta hanyar tsari dalilai
1. Manna solder ya ɓace
2. Rashin isasshen adadin manna solder da aka shafa
3. Stencil, tsufa, rashin lalacewa
II.Rosin hadin gwiwa lalacewa ta hanyar PCB dalilai
1. PCB gammaye ne oxidized kuma suna da matalauta solderability
2. Via ramuka a kan pads
III.Rosin hadin gwiwa lalacewa ta hanyar bangaren abubuwan
1. Lalacewar abubuwan fil
2. Oxidation na bangaren fil
IV.Rosin hadin gwiwa lalacewa ta hanyar kayan aiki dalilai
1. Mai hawa yana motsawa da sauri a cikin watsawa da matsayi na PCB, kuma ƙaurawar abubuwan da suka fi nauyi yana haifar da babban rashin ƙarfi.
2. The SPI solder manna ganowa da AOI gwajin kayan aiki ba su gano alaka solder manna shafi da jeri matsaloli a lokaci.
V. Rosin hadin gwiwa lalacewa ta hanyar zane dalilai
1. Girman kushin da fil ɗin ba su dace ba
2. Rosin hadin gwiwa lalacewa ta hanyar metallized ramukan a kan kushin
VI.Rosin haɗin gwiwa ya haifar da abubuwan aiki
1. Rashin aiki mara kyau yayin yin burodi da canja wurin PCB yana haifar da nakasar PCB
2. Ayyukan da ba bisa ka'ida ba a cikin taro da kuma canja wurin kayan da aka gama
Ainihin, waɗannan sune dalilan haɗin gwiwar rosin a cikin samfuran da aka gama a cikin sarrafa PCB na masana'antun facin SMT.Hanyoyi daban-daban za su sami yiwuwar haɗin gwiwar rosin daban-daban.Har ma yana wanzuwa kawai a ka'idar, kuma gabaɗaya baya bayyana a aikace.Idan akwai wani abu ajizi ko kuskure, da fatan za a yi mana imel.
Lokacin aikawa: Mayu-28-2021
