BayanSMT reflow solderingza mu ci karo da wasu abubuwan da ba su da lahani, waɗannan lahani na sarrafa SMT za su shafi ingancin samfurin kai tsaye ko a kaikaice.Waɗannan munanan abubuwan al'ajabi bayyanannu ne masu aiki na SMT akan hukunce-hukuncen lahani na sarrafa facin, don samar da ma'aunin masana'antu don haɓaka samarwa da aiki da mummunan suna.A cikin ainihin aikin faci na waɗannan munanan abubuwan da aka gano, dole ne a sake yin aiki sosai ko kuma a gyara su.Don haka ta yaya ya kamata mu gane don tantance mummunan lamarin?
Da ke ƙasa don ku daidaita waɗannan abubuwan:
1. (har ma da tin) SMT sarrafa walda ko da tin kuma aka sani da tin gada, tsakanin sassan ƙarewa, tsakanin maƙallan solder na kayan haɗin gwiwa, kazalika da haɗin gwiwar solder da wayoyi na kusa, perforations, da dai sauransu bai kamata a haɗa su ta hanyar ɓangaren ba. da solder hade tare, SMT sarrafa masana'antu kira ko da tin.
2. (abin tunawa) dutsen kabari, kuma aka sani da sabon abu Manhattan, yana nufin biyu soldering karshen guntu aka gyara, bayan reflow soldering, daya daga cikin soldering karshen nesa daga kushin surface na dukan bangaren ya oblique kuma tsaye.SMT masana'antu kira abin tunawa.
3. (tsayin gefe) guntu bangaren bangaren da PCB kushin lamba sabon abu.masana'antar SMT da ake kira gefen tsaye.
4. (offset) abubuwan da aka gyara a cikin matsayi na kwance don motsawa, wanda ke haifar da ƙarshen solder ko fil ɗin ba a haɗe zuwa kushin PCB ba.
5. (anti-fari) yanki na gaba zuwa PCB, babban abin gefen gefen sama.
6. (kwayoyin kwano) a cikin reflow soldering, a haɗe zuwa yanki na bangaren bangaren ko warwatse a cikin mahaɗin solder haɗa ƙananan beads na solder.
7. (Cold soldering) reflow incomplete al'amarin, solder ba ya kai ga narkewa wurin zafin jiki ko walda zafi bai isa ba, ta yadda ya kasance da ƙarfi kafin jika da kwarara, babu samuwar wani karfe gami Layer, ta yadda duk. ko wani ɓangare na mai siyar a cikin yanayin da ba na crystal ba kuma kawai ya gina saman saman karfen da ake siyarwa.
8. (core tsotsa) solder daga kushin tare da fil don hawa sama zuwa fil da guntu jiki, sakamakon rashin isasshen solder ko komai solder a solder gidajen abinci.
9. (reverse) yana nufin polarity na aka gyara bayan waldi, da polarity na shugabanci na ainihin bukatun da shugabanci ba m.
10. (kumfa) solder a cikin solidification na gas kafin gazawar gudu a lokaci, samuwar m sabon abu a cikin solder hadin gwiwa.
11. (pinhole) a cikin farfajiyar haɗin gwiwa don samar da ramukan allura.
12. (fissure) solder gidajen abinci saboda damuwa na inji ko damuwa na ciki wanda ya haifar da abin da ya faru na fashe kayan haɗin gwiwa.
13. (tip tip) walda a waje mai fitowar allura-kamar kwano ko spiky.
14. (karin tin) saida a wurin saida ya fi yawan buƙatu na yau da kullun, don haka yana da wahala a iya ganin jita-jita na sassan da aka siyar da su ko siyar don samar da tarin mai siffa.
15. (bude solder) bangaren fil / solder karshen duk daga ko daga m gammaye, kuma ba saboda soldering.
16. (fararen spots) ya bayyana a cikin laminated substrate a cikin wani sabon abu, a cikin abin da gilashin zaruruwa a cikin a tsaye da kuma m crossings da guduro rabuwa.Ana bayyana wannan al'amari a matsayin ɗigon fararen fata ko kuma saman ƙasa a ƙarƙashin "siffar giciye", yawanci hade da samuwar danniya saboda zafi.
17. (Grey waldi) saboda high waldi zafin jiki, wuce kima ruwa evaporation da kuma maimaita waldi, da dai sauransu, surface na weld ne launin toka, da solder crystal sako-sako da, porous da slag-kamar.
Zhejiang NeoDen Technology Co., LTD., An kafa shi a cikin 2010, ƙwararrun masana'anta ne na ƙwararrun na'ura na SMT da na'ura, tanda mai sake fitarwa, injin bugu na stencil, layin samar da SMT da sauran samfuran SMT.Muna da ƙungiyar R & D da masana'antar mallaka, suna amfani da fa'idodin abubuwan da muka samu R & D, da kyau sosai daga abokan cinikin duniya.
Muna cikin matsayi mai kyau ba kawai don samar muku da injin pnp mai inganci ba, har ma da kyakkyawan sabis na tallace-tallace.
Injiniyoyin da suka kware sosai za su ba ku duk wani goyan bayan fasaha.
Injiniyoyi 10 masu ƙarfi ƙungiyar sabis na tallace-tallace na iya ba da amsa tambayoyin abokan ciniki da tambayoyin cikin sa'o'i 8.
Ana iya ba da mafita na ƙwararru a cikin sa'o'i 24 duka ranar aiki da hutu.
Lokacin aikawa: Agusta-04-2023