Ibisobanuro
Flux: Ikintu cyimiti gishobora gufasha no guteza imbere gahunda yo gusudira, kandi gifite ingaruka zo gukingira kandi kirinda okiside. Flux irashobora kugabanywamo ibice bikomeye, amazi na gaze. Harimo cyane cyane "gufasha gutwara ubushyuhe", "kuvanaho okiside", "kugabanya ubukana bwubuso bwibikoresho byo gusudira", "kuvanaho amavuta yamavuta hejuru yibikoresho byo gusudira, kongera aho gusudira", no "kwirinda reoxidisation". . Muri izi ngingo, imirimo ibiri ikomeye ni: "gukuraho okiside" no "kugabanya uburemere bwubuso bwibintu bisudwa".
Guhitamo flux Igikorwa cya flux nukuzamura imikorere yo gusudira no kongera imbaraga zo gusudira. Flux irashobora gukuraho okiside hejuru yicyuma ikayirinda gukomeza okiside, kongera ibikorwa byabagurisha nicyuma, bityo bikongerera ubushobozi bwo guhanagura no gufatira hamwe.
Flux ikubiyemo aside ikomeye ikomeye, flux acide, flux flux nubundi bwoko. Ibisanzwe bikoreshwa mumashanyarazi harimo rosin, umuti wa rosin, paste yo kugurisha hamwe namavuta yo kugurisha, nibindi. Urutonde rwabo rushobora kugaragara kumeza, kandi birashobora gutoranywa muburyo bukurikije ibintu byo gusudira. Solder paste hamwe namavuta yo kugurisha birashobora kwangirika kandi ntibishobora gukoreshwa mugurisha ibikoresho bya elegitoroniki hamwe nimbaho zumuzunguruko. Nyuma yo kugurisha, paste yo kugurisha isigaye hamwe namavuta yo kugurisha bigomba guhanagurwa neza. Rosin igomba gukoreshwa nka flux mugihe uconga ibice byibigize. Niba ikibaho cyumuzunguruko cyanditseho umuti wa rosin, nta flux ikenewe mugihe cyo kugurisha ibice.
Kubakora, nta buryo bwo kugerageza ibigize flux. Niba ushaka kumenya niba flux solvent ihindagurika, urashobora gupima uburemere bwihariye. Niba uburemere bwihariye bwiyongera cyane, dushobora kwemeza ko umusemburo wahindutse.
Mugihe uhisemo flux, hari ibyifuzo bikurikira kubabikora:
Ubwa mbere, impumuro yumunuko kugirango ubanze umenye ubwoko bwumuti ukoreshwa. Kurugero, methanol ifite impumuro ntoya ariko iranyoha cyane, inzoga ya isopropyl ifite umunuko uremereye, naho Ethanol ifite impumuro nziza. Nubwo utanga isoko ashobora kandi gukoresha imiti ivanze, niba uyitanga asabwe gutanga raporo yibihimbano, muri rusange bazayitanga; ariko, igiciro cyinzoga ya isopropyl nikubye inshuro 3-4 za methanol. Niba igiciro cyaragabanutse cyane hamwe nuwabitanze, birashobora kugorana kuvuga ibiri imbere
Icya kabiri, menya icyitegererezo. Ubu kandi nuburyo bwibanze kubakoresha benshi guhitamo flux. Mugihe cyemeza icyitegererezo, utanga isoko agomba gusabwa gutanga raporo yibipimo bijyanye no kubigereranya nicyitegererezo. Niba icyitegererezo cyemejwe neza, ibyakurikiyeho bigomba kugereranwa nibipimo byumwimerere. Iyo ibintu bidasanzwe bibaye, uburemere bwihariye, agaciro ka acide, nibindi bigomba kugenzurwa. Ingano yumwotsi iterwa na flux nayo ni ikimenyetso cyingenzi.
Icya gatatu, isoko ya flux iravanze. Mugihe uhisemo, ugomba kumva neza ibyangombwa byabatanga isoko. Nibiba ngombwa, urashobora kujya mubakora kureba uruganda. Niba ari uruganda rudasanzwe, rutinya cyane iyi seti. Nigute wakoresha flux Mbere yo kumenyekanisha uburyo bwo gukoresha, reka tuganire kubyiciro bya flux. Irashobora kugabanwa murukurikirane rwibintu bitari polar. Iyagurishijwe ku isoko yitwa "amavuta yo kugurisha". Witondere kuyisukura nyuma yo kuyikoresha, bitabaye ibyo biroroshye korora no kwangiza ikintu cyasuditswe.
Ubundi bwoko ni organic organique flux, irashobora kubora vuba no gusiga ibisigara bidakora. Ubundi bwoko ni resin ikora ikurikirana. Ubu bwoko bwa flux ntabwo bubora, burinda cyane kandi bufite umutekano muremure. Ikoreshwa cyane ni ukongeramo activateur ya rosin flux.
Muri rusange, uburyo bwo gukoresha flux ya aluminium biroroshye. Banza, uhanagura inzoga kuri weld kugirango ukureho amavuta, hanyuma urashobora gushira flux hejuru kugirango usudwe, hanyuma urashobora gusudira. Ariko ugomba kwibuka kuyisukura nyuma yo gusudira, kandi ukita kumutekano mugihe uyikoresha, kandi ntukareke ngo yinjire mumunwa, izuru, umuhogo kandi uhure nuruhu. Mugihe udakoreshwa, koresha kashe hanyuma uyishyire ahantu hakonje kandi uhumeka.
Urufunguzo rwo kugurisha imiyoboro hamwe n'amabati ni ugusukura ahacururizwa, gushyushya no gushonga rozine ahantu hagurishirizwa cyangwa ugashyira flux ku kintu kigurishwa, hanyuma ugakoresha icyuma cyo kugurisha kugirango ubitekeshe kandi ubyerekeze ku ngingo kugurishwa. Mubisanzwe, rosin ikoreshwa mugurisha uduce duto, naho flux ikoreshwa mugurisha ibice binini. Rosin ikoreshwa ku mbaho z'umuzunguruko, naho flux ikoreshwa mu kugurisha igice kimwe.
Amabwiriza:
1. Ubuzima bwa kashe bwafunzwe ni igice cyumwaka. Nyamuneka ntugahagarike ibicuruzwa. Ubushyuhe bwiza bwo kubika: 18 ℃ -25 ℃, ubuhehere bwiza bwo kubika: 75% -85%.
2. Nyuma ya flux ibitswe igihe kirekire, uburemere bwihariye bwayo bugomba gupimwa mbere yo gukoreshwa, kandi uburemere bwihariye bugomba guhinduka mubisanzwe wongeyeho diluent.
3. Solvent flux ni ibikoresho bya shimi byaka. Igomba gukorerwa ahantu hafite umwuka mwiza, kure yumuriro, kandi ukirinda izuba ryinshi.
4. Mugihe ukoresheje flux mubigega bifunze, witondere guhindura neza ingano ya spray hamwe nigitutu cya spray ukurikije imikorere yitanura rya crest crest nibiranga ibicuruzwa.
5. Iyo flux ikomeje kongerwaho mukigega gifunze, ubwinshi bwimyanda izegeranya munsi yikigega gifunze. Umwanya muremure, niko imyanda irushaho kwegeranya, ibyo bikaba bishobora gutuma sisitemu yo gutera itanura yumuriro wa feri ihagarikwa. Kugirango wirinde ko imyanda ibuza sisitemu yo gutera itanura rya feri ya crest, bigira ingaruka kumiterere ya spray no kumera no gutera ibibazo byo kugurisha PCB, birakenewe guhora usukura kandi ukabungabunga sisitemu yo gutera nka tank ifunze na filteri. Birasabwa kubikora rimwe mu cyumweru no gusimbuza flux nubutaka munsi yikigega gifunze.
Kubikorwa byo kugurisha intoki:
1. Gerageza kudasuka ibintu byinshi icyarimwe, ongeraho kandi wongere ukurikije umusaruro;
2. Ongeramo 1/4 diluent buri saha 1, hanyuma wongereho flux ikwiye buri masaha 2;
3. Mbere ya sasita na nimugoroba cyangwa mugihe uhagaritse gukoresha, gerageza ushireho flux;
4. Mbere yo kugenda uve ku kazi nijoro, witonze usukemo flux mumurongo usubire mu ndobo hanyuma usukure inzira hamwe nigitambaro gisukuye kugirango ukoreshwe;
5. Mugihe ukoresheje flux yakoreshejwe ejo, ongeramo 1/4 diluent hamwe ninshuro zirenga ebyiri ubwinshi bwamazi mashya atarakoreshejwe, kugirango flux yakoreshejwe ejo irashobora gukoreshwa byuzuye kugirango wirinde imyanda.
6. Mugihe ushyira flux hamwe na spray cyangwa ifuro, nyamuneka ugenzure buri gihe umuvuduko wumwuka wa compressor de air. Nibyiza kuyungurura ubuhehere hamwe namavuta mukirere hamwe na porogaramu zirenga ebyiri zerekana neza, hanyuma ukoreshe umwuka wumye, udafite amavuta, hamwe n’amazi adahumanye amazi yuzuye kugirango wirinde kugira ingaruka kumiterere no mumikorere ya flux.
7. Witondere ihinduka rya spray mugihe utera, kandi urebe neza ko flux igabanijwe neza kuri PCB.
8. Amabati aringaniye, PCB ntabwo yahinduwe, kandi hashobora kuboneka ingaruka zisa.
9. Iyo PCB yacometse kuri okiside ikabije, nyamuneka kora mbere yo kuvura kugirango urebe neza kandi igurishwa.
10. Amazi adafunze agomba gufungwa mbere yo kubika. Ntugasuke flux yakoreshejwe usubire mubipfunyika byumwimerere kugirango umenye isuku yamazi yumwimerere.
11. Amazi yakuweho agomba gukemurwa numuntu witanze kandi ntashobora gutabwa uko yishakiye kugirango yanduze ibidukikije.
12. Mugihe cyo kubaga, ikibaho cyambaye ubusa nikirenge cyibice bigomba kubuzwa kwanduzwa ibyuya, irangi ryamaboko, amavuta yo kwisiga, amavuta cyangwa ibindi bikoresho. Mbere yuko gusudira birangiye kandi bitumye rwose, nyamuneka bigumane isuku kandi ntukabihumanye n'amaboko yawe. 13. Ingano ya flux iterwa nibisabwa kubicuruzwa. Ingano isabwa ya flux kubibaho byuruhande rumwe ni 25-55ml / min, naho umubare wibisabwa bya flux kubibaho byombi ni 35-65ml / min.
14. Iyo flux ikoreshejwe muburyo bwo kubira ifuro, birakenewe kugenzura uburemere bwihariye bwamazi kugirango hirindwe imiterere nimikorere ya flux kugira ingaruka ziterwa no guhindagurika kwimyunyu ngugu, kwiyongera kwingufu zidasanzwe, na kwiyongera kwa flux. Birasabwa kumenya uburemere bwihariye bwa flux nyuma yamasaha 2 yo kubira. Iyo uburemere bwihariye bwiyongereye, ongeramo urugero rukwiye rwa diluent kugirango uhindure. Urutonde rusabwa rwo kugenzura imbaraga rukuruzi ni ± 0.01 yuburemere bwihariye bwumwimerere wamazi. 15 kubutaka bwibibaho byimpande ebyiri ni 85-120 ℃ (ubushyuhe bwasabwe kubuso bwibibaho byombi ni 70-95 ℃).
16. Kubindi byitonderwa, nyamuneka reba urupapuro rwerekana umutekano wibikoresho (MSDS) rutangwa nisosiyete yacu.
Ibikoresho byo gusudira Xinfa bifite ibiranga ubuziranenge kandi buke. Ushaka ibisobanuro birambuye, nyamuneka sura:Abasudira & Gukata Inganda - Ubushinwa bwo gusudira & Gukata Uruganda & Abatanga isoko (xinfatools.com)
Igihe cyo kohereza: Kanama-29-2024
