Kev nkag siab zoo thiab cov qauv siv hluav taws xob soldering hlau
Ib qho: Nkag siab txog hluav taws xob soldering hlau, hluav taws xob soldering hlau yog cov cuab yeej siv feem ntau hauv vuam.
1. Muaj nuj nqi: Nws hloov hluav taws xob hluav taws xob mus rau lub zog hluav taws xob kom sov thiab vuam qhov vuam taw tes. Ib feem loj ntawm seb qhov vuam puas ua tiav los yog tsis yog nyob ntawm seb nws zoo npaum li cas. Feem ntau hais lus, qhov loj dua lub zog ntawm cov hluav taws xob soldering hlau, qhov kub ntau dua, thiab qhov kub ntawm qhov kub ntawm cov hlau soldering.
2. Lub zog siv hluav taws xob siv hluav taws xob yog: 20W; 25 W; 30W; 40W; 60 W; 100 W.
3. Daim ntawv cua sov ntawm cov hluav taws xob soldering hlau: sab hauv cov cua sov hom; hom cua sov sab nraud.
4. Feem ntau siv cov khoom siv hluav taws xob: cov khoom siv hlau muag, cov khoom siv tin suction, tweezers, electrostatic bracelet, kab pheeb ces kaum pliers, absorbent sponge.
Ob: Kev ceev faj rau kev siv hluav taws xob soldering hlau
1. Kev npaj ua ntej siv cov hlau soldering.
Cov hluav taws xob soldering hlau yuav tsum tau tinned ua ntej siv. Txoj kev tshwj xeeb yog: tshav kub ntawm cov hluav taws xob soldering hlau, thiab thaum lub soldering tin tsuas yog melted, thov ib tug tin hlau tusyees ntawm lub soldering hlau taub, yog li ntawd lub soldering hlau taub yog tusyees coated nrog ib tug txheej ntawm tin. (Faj seeb: Nws yog ib qho tshuaj tiv thaiv rau cov hlau uas tau muag tshiab los haus luam yeeb thaum lub caij cua sov)
2. Ua haujlwm kom raug.
Nws tuaj yeem ua kom lub cev thiab lub hlwb noj qab haus huv ntawm tus neeg teb xov tooj thiab txo qis kev raug mob ntawm kev ua haujlwm. Txhawm rau txo qhov kev puas tsuaj ntawm cov tshuaj volatilized thaum lub flux yog rhuab thiab txo qhov nqus ntawm cov pa phem, feem ntau, qhov deb ntawm cov hlau soldering rau lub qhov ntswg yuav tsum tsis pub tsawg tshaj 20cm, feem ntau 30cm yog qhov tsim nyog.
3. Ua ntej siv cov hlau soldering, xyuas seb qhov hluav taws xob siv puas phim lub nominal voltage ntawm cov hlau soldering.
4. Lub tshuab hluav taws xob soldering hlau yuav tsum tau muab tso rau hauv av thiab zoo hauv av.
5. Thaum siv cov hlau soldering, hnav ib lub dab teg electrostatic, thiab electrostatic wristband yuav tsum tau zoo hauv av. (Ceeb Toom: Cov xaim hauv av zoo li qub thiab cov hlau nplaum hlau yuav tsum tau sib cais)
6. Tom qab hluav taws xob soldering hlau yog energized, nws tsis raug tso cai rau khob, disassemble thiab nruab nws cov hluav taws xob cua sov qhov chaw arbitrarily.
7. Cov hlau nplaum hluav taws xob yuav tsum tau ua kom qhuav thiab yuav tsum tsis txhob siv nyob rau hauv qhov chaw ntub dej ntau dhau los yog los nag.
8. Thaum tshem tawm cov hlau nplaum, tua lub hwj chim.
9. Tom qab kaw lub hwj chim, siv cov hluav taws kub uas seem los muab ib txheej ntawm cov tin rau ntawm qhov kawg ntawm cov hlau soldering los tiv thaiv lub taub ntawm cov hlau soldering.
10. Thaum muaj txheej oxide dub rau ntawm qhov kawg ntawm cov hlau soldering, so cov oxide ntawm ib daim txhuam cev absorbent thiab tin tam sim ntawd. (Tsis txhob txhuam nrog rab riam)
11. Daim txhuam cev yog siv los sau cov tin slag, tin hlaws thiab oxides. Nws yog ib qho tsim nyog los pinch nws nrog koj txhais tes kom tawm hauv dej.
12. Lub tshuab hluav taws xob yuav tsum tsis txhob siv lub zog ntev ntev yam tsis siv nws. Qhov no yuav yooj yim ua rau cov tub ntxhais hlau soldering hlawv tawm vim nrawm oxidation thiab ua rau nws lub neej luv. Nyob rau tib lub sijhawm, lub taub hau hlau yuav raug oxidized vim cua sov mus ntev, thiab txawm tias "hlawv" thiab tsis "noj". tin"
Peb: Solder
Solder yog ib qho hlau fusible uas ua rau cov khoom siv ua rau kev sib txuas rau cov ntsiab lus sib txuas ntawm lub rooj tsav xwm luam tawm. Tin (Sn) yog ib tug mos mos, malleable silver-dawb hlau nrog ib tug melting point ntawm 232 degree. Nws muaj cov tshuaj lom neeg ruaj khov ntawm chav sov, tsis yooj yim rau oxidize, tsis poob nws cov xim hlau, thiab muaj zog atmospheric corrosion kuj. Lead (Pb) yog lub teeb xiav-dawb hlau nrog lub melting point ntawm 327 degree. High-purity lead muaj muaj zog atmospheric corrosion kuj thiab zoo tshuaj stability, tab sis nws yog teeb meem rau tib neeg lub cev. Ntxiv ib qho kev faib ua feem ntawm cov hlau lead thiab ib qho me me ntawm lwm cov hlau rau tin tuaj yeem ua rau nws tsis tshua muaj melting point, zoo fluidity, muaj zog adhesion rau cov khoom thiab cov xov hlau, siab mechanical zog, zoo conductivity, tsis yooj yim rau oxidize, zoo corrosion kuj, kaj solder. pob qij txha Zoo nkauj solder, feem ntau hu ua solder. Solder tuaj yeem muab faib ua 15 hom raws li cov ntsiab lus tin, raws li cov ntsiab lus tin thiab impurities
Cov tshuaj muaj pes tsawg leeg muab faib ua S, A, B peb qib. Filiform solder yog feem ntau siv hauv phau ntawv soldering. (Tseem muaj ib puag ncig tus phooj ywg cov hlau lead-dawb solders uas nquag siv tam sim no)
Plaub: Flux
Fluxes feem ntau yuav muab faib ua inorganic fluxes, organic fluxes thiab resin fluxes, uas muaj peev xwm yaj thiab tshem tawm oxides ntawm cov hlau nto thiab qhwv.
Nyob ib puag ncig ntawm cov hlau kom cais tawm ntawm huab cua thiab tiv thaiv cov hlau los ntawm oxidizing thaum rhuab; Nws tuaj yeem txo qhov nro ntawm lub solder tom qab melting, uas yog conducive rau wetting ntawm lub solder. (rosin ib tug natural resin flux)
