Vuam technology ntawm hluav taws xob soldering hlau
Cov txheej txheem soldering hais txog ntawm no yog hais txog kev sib xyaw ntawm cov hlau conductors thiab cov khoom siv feem ntau siv hauv kev tsim hluav taws xob circuits. Solder yog cov hlau lead-tin alloy nrog lub melting point ntawm txog 183 degrees. Cov khoom lag luam muag muag feem ntau yog ua rau hauv ib lub strips lossis filaments, thiab qee cov solders kuj muaj rosin, uas yooj yim dua rau siv.
1. Txoj kev tuav cov hluav taws xob soldering hlau (cov txheej txheem vuam ntawm cov hluav taws xob soldering hlau)
Feem ntau muaj ob txoj hauv kev los tuav cov hlau soldering: tus cwj mem thiab txoj kev nrig.
(1) Yuav tuav tus cwj mem li cas. Haum rau lub teeb yuag hlau xws li 30W sab hauv cua sov. Nws lub taub hau hlau yog ncaj nraim, thiab lub taub hau kawg tau muab tso rau hauv ib qho bevel lossis conical zoo, uas yog tsim rau cov ntaub qhwv nrog ib qho chaw me me.
(2), kev siv lub nrig. Nws yog tsim rau high-power soldering hlau. Peb feem ntau tsis siv high-power soldering irons rau hluav taws xob ntau lawm (tsis qhia ntawm no).
2. Muaj ntau txoj hauv kev ntawm soldering ua rau ntawm cov ntawv luam tawm hauv Circuit Court.
Muaj ob hom kev luam tawm Circuit Board: ib sab thiab ob sab. Qhov los ntawm qhov ntawm nws feem ntau tsis yog-metallized, tab sis txhawm rau ua kom cov khoom sib txuas ntawm lub rooj tsav xwm Circuit Court kom ruaj khov thiab ntseeg tau, feem ntau ntawm cov qhov ntawm cov ntawv luam tawm Circuit Board ntawm cov khoom siv hluav taws xob tam sim no metallized. Txoj kev ntawm soldering cov leads ntawm lub rooj tsavxwm ib leeg-ib sab:
(1) Ncaj nraim ntawm lub taub hau txiav. Cov hlau lead mus dhau ntawm qhov ncaj qha. Thaum soldering, ua kom tsim nyog tus nqi ntawm molten solder tusyees nyob ib ncig ntawm lub tin-stained txhuas hlau saum lub ncoo los ua lub khob hliav qab. Tom qab nws txias thiab solidifies, txiav tawm cov hlau lead ntau dhau. (saib blackboard rau txoj kev tshwj xeeb)
(2), faus ncaj qha. Cov hlau lead los ntawm lub qhov tsuas yog raug rau qhov ntev uas tsim nyog, thiab cov molten solder faus cov hlau lead hauv qhov sib koom ua ke. Hom kev sib koom tes no yog kwv yees li hemispherical. Txawm hais tias nws yog qhov zoo nkauj, tshwj xeeb yuav tsum tau them nyiaj rau kev tiv thaiv tsis muaj tseeb.
Kev ceev faj rau kev siv cov hlau soldering (soldering hlau soldering technology ceev faj)
(1) Cov hlau uas tau muag tshiab yuav tsum tau dipped rau hauv ib txheej ntawm cov tin ua ntej siv (lub zog ntawm cov hlau, thiab tom qab ntawd siv lub tin bar kom ze rau qhov kawg ntawm cov hlau soldering thaum cov hlau soldering yog rhuab mus rau ib qho chaw), thiab lub taub hau hlau uas tau siv ntev ntev Cov ntaub ntawv ci, tom qab ntawd tig rau hluav taws xob cua sov kom sov, dipped lub taub hau ntawm cov hlau soldering nrog me ntsis rosin, thiab tin nws thaum lub rosin haus luam yeeb, kom cov nplaim. ntawm qhov kawg ntawm cov hlau soldering yog thawj coated nrog ib txheej ntawm tin.
(2) Tom qab siv cov hlau soldering rau ib lub sij hawm, tej zaum yuav muaj tin nplai ntawm qhov kawg ntawm cov hlau soldering. Peb tuaj yeem maj mam so nws nrog ib daim ntaub ntub dej thaum cov hlau rhuab. Yog tias muaj cov pits lossis oxidized blocks, siv cov ntaub ntawv zoo los kho lossis hloov ncaj qha rau cov hlau taub hau.
(3) Tom qab hluav taws xob soldering hlau yog energized, qhov kub yog siab li 250 degrees Celsius. Thaum tsis siv, nws yuav tsum tau muab tso rau ntawm qhov muag muag, tab sis thaum nws tsis siv rau lub sijhawm ntev, lub zog yuav tsum raug txiav tawm kom tsis txhob muaj qhov kub ntawm qhov "hlawv" ntawm cov hlau taub hau (oxidized). Nws yog ib qho tsim nyog los tiv thaiv cov hluav taws xob soldering hlau los ntawm scalding lwm yam khoom, tshwj xeeb tshaj yog cov hlua fais fab. Yog tias cov txheej txheej rwb thaiv tsev raug kub hnyiab los ntawm cov hlau soldering yam tsis tau saib xyuas, nws yuav yooj yim ua rau muaj kev nyab xeeb.
(4) Tsis txhob ntaus cov hlau nplaum hnyav, kom tsis txhob poob siab thiab tawg cov cua sov xaim lossis cov hlau lead hauv cov hlau soldering thiab ua rau lub cev tsis zoo.
