Lub ntsiab lus ntawm soldering hlau vuam tshuab
Pre-weld kev kho mob
Ua ntej soldering, cov khoom siv pins lossis cov khoom siv hluav taws xob ntawm lub rooj tsav xwm yuav tsum tau soldered. Feem ntau, muaj peb kauj ruam: "scraping", "plating" thiab "testing".
1. Khawb
"Scraping" yog los ntxuav qhov vuam ua ntej vuam. Cov cuab yeej siv feem ntau yog cov riam thiab cov ntawv xuab zeb zoo los ntxuav cov pins ntawm kev sib xyaw ua ke thiab cov ntawv luam tawm, tab sis cov pins yuav tsum tau ua kom huv si. Rau nws tus kheej-ua luam ntawv Circuit Court boards, qhov saum npoo ntawm cov ntawv ci tooj liab yuav tsum tau polished nrog cov ntawv xuab zeb zoo ua ntej, thiab cov av ntawm lub rooj tsav xwm luam tawm yuav tsum tau ntxuav, thiab tom qab ntawd coated nrog rosin cawv tov, flux lossis "HP{{1} }" ua ntej siv. Rau cov kub-plated nyiaj alloy hlau lead-tawm xov hlau, cov txheej tsis tuaj yeem raug khawb tawm, thiab cov av tuaj yeem raug wiped tawm nrog ib tug eraser.
2. Plating
"Plating" yog tin plating ntawm cov khoom seem. Txoj kev tshwj xeeb yog dip cov tshuaj rosin cawv thiab siv rau ntawm cov khoom seem ntawm cov khoom siv vuam, tom qab ntawd nias lub taub hau kub soldering hlau nrog tin rau nws, thiab tig cov khoom kom sib npaug ntawm cov txheej txheej ntawm tin txheej. Nyob rau hauv cov ntaub ntawv ntawm multi-strand nyob ntawm tej, lawv yuav tsum tau twisted ua ke tom qab polishing, thiab ces tinned.
Ib qho me me ntawm cov flux yuav tsum tau siv rau cov thawj coj ntawm cov khoom "scraped" tam sim ntawd, thiab tom qab ntawd cov txheej txheej nyias nyias yuav tsum tau muab tso rau ntawm cov hlau lead nrog cov hluav taws xob soldering hlau kom tsis txhob rov oxidation ntawm qhov chaw thiab txhim kho cov solderability. cov khoom.
3. Ntsuas
"Testing" yog siv ib tug multimeter los xyuas seb tag nrho cov tin-plated Cheebtsam yog txhim khu kev qha zoo tom qab "plating". Yog tias muaj cov khoom siv tsis raug lossis puas tsuaj, lawv yuav tsum tau hloov nrog cov khoom ntawm tib lub ntsiab lus.
