Yuav ua li cas siv soldering hlau tip resurrection paste thiab dab tsi yuav tsum tau ceev faj
Lub taub hau hlau yog oxidized tom qab siv lub sijhawm luv luv. Lub taub hau oxidized yog tsis yooj yim rau soldering Cheebtsam thiab yuav tsum tau hloov. Tam sim no, nrog cov lus qhia txog kev sawv rov los muab tshuaj txhuam, nws yog qhov yooj yim thiab kev lag luam, thiab cov lus qhia tuaj yeem rov qab los. Zoo tshem tawm cov oxide txheej los ntawm vuam taub. Thiab rov tinning lub vuam tswv yim kom ua tiav lub hom phiaj ntawm kev rov tsim dua tshiab ntawm vuam taub. Nws tuaj yeem ua rau muaj ntau yam lus qhia hlau uas tau hlawv dub vim oxidation.
Yuav ua li cas siv soldering hlau taub resurrection paste:
1. Kev ua haujlwm rov tsim dua yog ua thaum qhov kub ntawm qhov vuam taub yog 300 degree ~ 360 degree.
2. Cia lub taub hau thiab qhov sawv rov los muab tshuaj txhuam ua ke ntau zaus thiab tos ob peb feeb.
3. Siv daim txhuam cev los yog tooj liab los ntxuav lub taub hau.
4. Plating ib txheej tshiab tin, lub taub hau hlau yuav huv si li tshiab.
Yog tias cov nyhuv rov tsim dua tsis pom tseeb tom qab ua haujlwm ib zaug, rov ua cov kauj ruam 3-4 zaug kom txog thaum cov nyhuv xav tau tiav, thiab tom qab ntawd phaj txheej txheej txheej tshiab.
Cov kev ceev faj
Kuv feem ntau siv ib daim txhuam cev hlau los so lub hau ntawm cov hlau. Vim kuv so nws huv heev, tin txheej yuav ncaj qha oxidized. Qhov teeb meem no tuaj yeem yooj yim ua rau lub taub hau ntawm cov hlau uas raug hlawv (tsis tuaj yeem siv cov tin). Nyob rau hauv rooj plaub no, txawm tias qhov kub thiab txias, qhov kub tsis kub txaus. Yuav kom yaj tin, ua raws li cov txheej txheem saum toj no.
Thaum lub taub hau rov tsim dua abrasive tseem nyob rau ntawm cov lus qhia rau kev sib tw, cov abrasive adheres rau cov ntawv luam tawm Circuit Board thiab tej zaum yuav corrode lub Circuit Court board. Thov tshem tawm tag nrho cov abrasive los ntawm cov lus qhia soldering ua ntej pib nrog kev sib tw.
Thaum lub taub hau hlau yog kub hnyiab dub thiab oxidized thiab tsis lo rau tin, tsis txhob siv cov ntaub ntawv rau saum npoo ntawm cov hlau taub hau. Lub alloy txheej ntawm lub taub hau ntawm lub taub hau yog nyias heev. Yog tias koj siv cov ntaub ntawv los kho nws, nws yuav yooj yim ua rau lub taub hau tag nrho. Nrog kev kho qhov muag tom qab siv cov tshuaj txhuam hniav, koj tsuas yog yuav tsum tau teeb tsa lub taub hau ntawm cov hlau soldering, tig lub zog thiab ua kom sov. Tom qab qhov kub thiab txias ncav cuag koj li niaj zaus soldering kub, dipped lub taub hau soldering rau hauv tus neeg saib xyuas kho, thiab tam sim ntawd tin lub taub hau nrog tin hlau, rov qab thiab tawm. Ob peb zaug txaus.
solder paste yog tsim rau vuam ntawm feem ntau du nto, xws li ob hlau hlau nrog du nto, hlau welding, thiab yog haum rau tag nrho cov sab nraud welding (nco ntsoov tias nws yuav tsum tau ntxuav). Nws tsis haum rau BGA vuam vim nws tsis muaj qhov nplaum!
