Rigakafin yin amfani da tanda na sake kwarara SMT.

smt reflow oven is smt back-end equipment, babban aikin shine zafi narke man solder, sannan a bar kayan lantarki su ci tin, ta yadda za'a gyara su akan pcb pad, don hakasmt reflow kayan aikiyana daya daga cikin manyan sassa uku na smt, reflow soldering Effects da kuma tasiri suna da matukar muhimmanci ga ingancin samfuran da aka samar.

1. Ba za a iya daidaita saitin yankin zafin jiki ba bisa ka'ida ba.Ma'auni na yankin zafin jiki da aka jera a sama an ƙaddara su ne bisa ga ainihin tasirin warkewa cewa yanki na allon pcb na walda yana da kashi 90% na ingantaccen yanki na isar da stencil a cikin tanderun walda, kuma ƙimar jigilar bel shine 75cm ± 10cm/S.na.Lokacin da akwai babban bambanci a cikin yanki na hukumar pcb da aka sarrafa, saurin bel ɗin ya kamata a daidaita shi da kyau don cimma sakamako mai kyau na walda.Babban ka'ida na daidaitawa shine: lokacin da yanki na hukumar pcb yayi karami, saurin bel ɗin raga yana da sauri sauri;lokacin da yanki na hukumar pcb ya girma, saurin bel ɗin raga yana da ɗan hankali kaɗan, kuma komai yana ƙarƙashin samun sakamako mai kyau na walda;

2. Ba za a saita sigogi na PID na teburin kula da zafin jiki ba;

3. Mashigin da mashigar na'urar sayar da reflow ya kamata su guje wa iska ta waje da ke kadawa yayin amfani, wanda zai shafi ma'aunin zafin jiki mai ƙarfi a cikin tanderun kuma yana shafarwaldiinganci;

4. Lokacin aika fitar da PCB workpiece daga fitarwa tashar jiragen ruwa na reflow tanderu, shi wajibi ne don kauce wa hadarin scalding da afareta ta hannun;Hakanan wajibi ne a hana PCB allon taruwa a tashar fitarwa, haifar da faɗuwar allon PCB ko allon PCB a wurin fita.Ƙananan ƙarfin solder a ƙarƙashin yanayin zafi mai zafi abubuwan SMD sun faɗi saboda faɗuwa ko tasiri;

5. Yi aiki mai kyau a cikin kula da kulluninjin waldakayan aiki: tsaftace farfajiyarkayan aikikowace rana don sanya shi babu gurɓata, danna maɓallin mai sau ɗaya a mako a cikin yanayin aikin man fetur, kuma sa mai sarkar abin nadi da mai mai zafi mai zafi (BIO-30);a ci gaba da samarwa, kowane wata Ba kasa da sau biyu ba: Duba don ƙara yawan zafin jiki mai lubricating mai zuwa injin tanderun da kowane dabaran shaft mai juyawa;

6. Bincika ko an haɗa waya ta ƙasa na injin walda da dogaro kafin fara injin kowace rana;

7. Bayan gyara matsala, kunna babban samar da wutar lantarki na kayan aiki kuma kunna tashar gaggawa ta jajayen naman kaza mai kama da agogon agogo don komawa zuwa asalin aiki na asali.Lokacin da aka kashe injin ɗin, PCB da bel ɗin raga na ƙarfe na isar da saƙo bai kamata a tsaya a cikin tanderun da ke cikin yanayin zafi ba, kuma bel ɗin isar da saƙo ya kamata a dakatar da shi bayan zafin na'urar ya faɗi.