Soldering ndi njira yolumikizira zitsulo ziwiri wina ndi mnzake kuti zikhale zolimba komanso zolimba. Izi zimachitika pogwiritsa ntchito filler metal.
Njira iyi yolumikizira zitsulo imagwiritsidwa ntchito kwambiri pamagetsi. Mapaipi ndi zitsulo zimagwiritsanso ntchito kwambiri njirayi.
Kutengera ndi mlandu, mitundu yosiyanasiyana ya kusintha amagwiritsidwa ntchito. Electronics soldering ndi gawo lovuta kwambiri lomwe kusinthasintha komwe kumagwiritsidwa ntchito kuyenera kukhala ndi zina, monga kusakhala ndi conductivity.
M'nkhaniyi, ndikuwuzani za mitundu ya flux yomwe imagwiritsidwa ntchito pazitsulo zamagetsi, ndi zomwe muyenera kuziganizira musanagwiritse ntchito imodzi mwa izo nokha.
Mu positi iyi tikambirana:
- Chifukwa chiyani kusinthasintha kumafunikira pakugulitsa zamagetsi?s Flux Yofunikira mu Electronics Soldering
- Oxidation: Kodi ndi chinthu choyipa?
- Kugwiritsa ntchito flux kuchotsa okosijeni
- Mitundu yosiyanasiyana ya flux mu soldering yamagetsi
- Mtundu wa flux oti mupewe muzogulitsa zamagetsi: Inorganic acid flux
- Gwiritsani ntchito kusinthasintha koyenera pa ntchitoyi
Chifukwa chiyani kusinthasintha kumafunikira pakugulitsa zamagetsi?s Flux Yofunikira mu Electronics Soldering
Pamene mukuyesera kudzaza zitsulo za 2 ndi chitsulo china (chomwe chimakhala chosungunuka), dothi ndi zinyalala pazitsulozo zimalepheretsa kupanga mgwirizano wabwino. Mutha kuchotsa ndikuyeretsa dothi lopanda oxidizing pamalowo mosavuta, koma muyenera kugwiritsa ntchito flux mukafuna kuchotsa okosijeni.
Oxidation: Kodi ndi chinthu choyipa?
Oxidation ndi chinthu chachilengedwe. Koma zimenezi sizikutanthauza kuti zonse nzabwino.
Zitsulo zonse zimagwira ntchito ndi mpweya wa mlengalenga komanso kuchokera ku mankhwala ovuta kwambiri pazitsulo zomwe zimakhala zovuta kuchotsa ndipo zimapangitsa kuti zikhale zovuta kwambiri kuzigulitsa. Makutidwe ndi okosijeni amatchedwa dzimbiri pazitsulo.
Kugwiritsa ntchito flux kuchotsa okosijeni
Flux ndi mankhwala ena omwe amakhudzidwa ndi okosijeni, kutentha kwambiri, kusungunuka, ndi kuchotsa okosijeni. Muyenera kutero pafupipafupi gwiritsani ntchito kutuluka kuyeretsa oxidation pansonga yachitsulo cha soldering yanu chifukwa kutentha kwambiri kumafulumizitsa.
Kumbukirani izi ngati mukufuna kupanga chitsulo chako cha soldering.
Mitundu yosiyanasiyana ya flux mu soldering yamagetsi
Kuthamanga komwe kumagwiritsidwa ntchito pama board amagetsi sikufanana ndi omwe amagwiritsidwa ntchito pamawaya chifukwa amafunikira zinthu zosiyanasiyana kuchokera ku flux.
Pansipa, ndikuwuzani za mitundu yonse ya flux yomwe imapezeka pamsika wamagetsi amagetsi.
Kuchuluka kwa rosin
Kumenya zosintha zina zonse malinga ndi zaka ndi rosin flux.
M'masiku oyambirira a kupanga, rosin fluxes anapangidwa kuchokera ku pine sap. Madzi akasonkhanitsidwa, amayengedwa ndikuyeretsedwa kukhala rosin flux.
Komabe, masiku ano, mankhwala ena osiyanasiyana ndi ma fluxes amasakanikirana ndi pine sap woyengedwa kuti apange rosin flux.
Rosin flux imasandulika kukhala asidi wamadzimadzi ndipo imayenda mosavuta ikatenthedwa. Koma ikaziziritsa, imakhala yolimba komanso yopanda pake.
Ndiwothandiza kwambiri pochotsa oxidation ku zitsulo. Mukaigwiritsa ntchito pamabwalo, mutha kuyisiya ili yolimba, yopanda mphamvu. Sichichita ndi china chilichonse pokhapokha ngati chitatenthedwa kuti chisanduke asidi.
Ngati mukufuna kuchotsa zotsalira mutagwiritsa ntchito rosin flux, muyenera kumwa mowa, chifukwa sichisungunuka m'madzi. Ndicho chifukwa chake muyenera kumwa mowa m'malo mwa madzi opanda kanthu.
Koma palibe vuto kusiya zotsalira monga momwe zilili, pokhapokha ngati mukufuna kuchita ntchito yanzeru yosunga bolodi lanu loyera.
Kuchuluka kwa organic acid
Ma organic acid monga citric acid, lactic acid, ndi stearic acid amagwiritsidwa ntchito kupanga mtundu uwu wa kusinthasintha. Kufooka kwa ma acid awa, kuphatikiza mowa wa isopropyl ndi madzi, kumapanga organic acid fluxes.
Ubwino waukulu wa organic acid fluxes ndikuti amasungunuka m'madzi, mosiyana ndi rosin flux.
Kuphatikiza apo, popeza katundu wa acidic wa organic acid fluxes ndi wapamwamba kuposa ma rosin fluxes, amakhala amphamvu. Zotsatira zake, amatha kuyeretsa ma oxides pazitsulo mwachangu.
Phatikizani mphamvu yochotsa oxidation iyi ndi chikhalidwe chake chosungunuka, ndipo muli ndi zotsalira zosavuta kuyeretsa. Palibe mowa wofunikira!
Komabe, phindu loyeretsali limabwera pamtengo. Mumataya katundu wosakhala wa conductivity wa zotsalira za rosin flux popeza ndi magetsi ndipo zimatha kukhudza magwiridwe antchito ndi magwiridwe antchito onse.
Chifukwa chake onetsetsani kuti mwachotsa zotsalira za flux pambuyo pa soldering.
Kutuluka kosayera
Monga momwe dzinalo likusonyezera, simuyenera kuyeretsa zotsalira kumtundu woterewu. Zimapanga zochepa kwambiri poyerekeza ndi zina 2 fluxes.
Kutuluka kosayera kumachokera ku ma organic acid ndi mankhwala ena. Izi nthawi zambiri zimabwera mu ma syringe kuti zikhale zosavuta.
Kwa mabwalo omwe amagwiritsa ntchito ukadaulo wokwera pamwamba, ndi bwino kugwiritsa ntchito mtundu uwu wa flux.
Komanso, gulu la gululi la mpira ndi mtundu wa bolodi wokwera pamwamba womwe umapindula kwambiri ndi ma fluxes osayera. Zotsalira zing'onozing'ono zomwe zimapanga sizimayendetsa kapena kuwononga. Mutha kuzigwiritsa ntchito pama board omwe ndi ovuta kuwapeza mutakhazikitsa.
Komabe, ogwiritsa ntchito ena amapeza zotsalira zochuluka modabwitsa zomwe zimakhala zovuta kuchotsa, kupatula kukhala owongolera.
Samalani mukamagwiritsa ntchito ma fluxes awa pa matabwa analoji ndi mkulu impedance. Tikukulimbikitsani kuti mufunsirenso musanagwiritse ntchito njira yosayera yomwe mukufuna kugwiritsa ntchito.
Mtundu wa flux oti mupewe muzogulitsa zamagetsi: Inorganic acid flux
Inorganic acid fluxes amapangidwa kuchokera kusakaniza kwa zidulo zolimba kuphatikiza (koma osachepera) hydrochloric acid.
Muyenera kupewa kusinthasintha kwachilengedwe pamabwalo kapena zida zilizonse zamagetsi, chifukwa kutulutsa ndi zotsalira zake zitha kuwononga. Amapangidwira zitsulo zolimba, osati zida zamagetsi.
Onani kanema wa YouTube wogwiritsa ntchito SDG Electronics pamayendedwe abwino kwambiri ogulitsira:
Gwiritsani ntchito kusinthasintha koyenera pa ntchitoyi
Monga mukuonera, mitundu yonse ya flux ili ndi ubwino ndi zovuta zake zikafika kugwiritsa ntchito flux kwa soldering. Tsopano muli ndi mitundu ingapo yosankha pamene mukugwira ntchito yanu yogulitsira pamagetsi.
Palibe amene anganene kuti imodzi mwazinthuzi ndi yabwino kwambiri, chifukwa ntchito zosiyanasiyana zimafuna kusintha kosiyanasiyana.
Ngati mumagwira ntchito pamabwalo omwe amagwiritsa ntchito ukadaulo wokwera pamwamba, kubetcherana kwanu kungakhale kusayera. Koma samalani ndi chinthu chotsalira chowonjezera.
Ndipo pamabwalo ena, mutha kusankha chilichonse pakati pa organic acid flux ndi rosin flux. Onse awiri amagwira ntchito yabwino kwambiri!
Ndine Joost Nusselder, woyambitsa Tools Doctor, content marketer, and dad. Ndimakonda kuyesa zida zatsopano, ndipo pamodzi ndi gulu langa ndakhala ndikupanga zolemba zakuya zamabulogu kuyambira 2016 kuthandiza owerenga okhulupirika ndi zida & malangizo opangira.
