PCBA tu txoj kev

Shenzhen Shenchuang Hi-tech Electronics Co., Ltd. Peb cov khoom tseem ceeb muaj xws li cov chargers mus ncig, tsheb chargers, USB cables, fais fab nyiaj hauv tuam txhab nyiaj thiab lwm yam khoom siv digital.Tag nrho cov khoom muaj kev nyab xeeb thiab txhim khu kev qha, nrog cov cim styles.products dhau daim ntawv pov thawj zoo li CE, FCC, ROHS, UL, PSE, C-Tick, thiab lwm yam. , Yog tias koj txaus siab rau, koj tuaj yeem tiv tauj ceo@schitec.com ncaj qha.

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PCBA tu txoj kev

Tom qab cov txheej txheem PCBA tiav lawm, yuav muaj ntau qhov seem ntawm qhov chaw. Cov residues no tsis tsuas yog cuam tshuam rau cov tsos, tab sis kuj yog qhov zoo ntawm PCBA. Yog li ntawd, kev tu PCBA tseem ceeb heev. Muaj ob txoj hauv kev los ntxuav PCBA.

Ua ntej, phau ntawv ntxuav

Cov cuab yeej ntxuav tes muaj xws li ntxuav cov tso tsheb hlau luam, cov kaus poom tshuaj tsuag, txhuam hniav, IPA lossis VIGON EFM, hnab looj tes, dej deionized, rags, phom cua thiab cov hnab ntim kaw.

Cov txheej txheem ntxuav tes:

1. Ntxuav lub phaj nrog IPA los yog VIGON EFM, los yog tshuaj tsuag IPA thiab EFM mus rau saum npoo ntawm lub phaj ntawm ib koob ntawm kwv yees li 10 ml ib 4 square inches.

2. So lub rooj tsavxwm tsis tu ncua nrog ib tug mos, ntub dej txhuam rau li 10 vib nas this.

3. Yaug nrog li 10 ml ntawm dej deionized txhua 4 square inches. Siv tau zoo tshem tawm tej yam kab mob paug.

4. Tuav lub ntug ntawm lub rooj tsavxwm thiab so tawm cov dej deionized ntau dhau nrog ib daim ntaub tsis muaj lint.

5. Saib xyuas qhov huv ntawm lub rooj tsavxwm.

6. Yog tias tsim nyog, siv rab phom cua kom qhuav lub rooj tsavxwm.

7. Yog tias tsim nyog yuav tsum khaws lub rooj tsavxwm lossis kev sib dhos rau lub sijhawm ua ntej txheej txheej, muab lub rooj tsavxwm lossis sib dhos rau hauv lub hnab kaw uas muaj cov desiccant.

Qhov thib ob, tsis siv neeg tu

Cov txheej txheem ntxuav tsis siv neeg tuaj yeem muab faib ua peb txoj hauv kev: ntxuav dej, ntxuav ib nrab aqueous, thiab ntxuav hnyav.

Cov cuab yeej thiab cov khoom siv rau kev tu tsis siv neeg yog tshuab ntxhua khaub ncaws, deionized dej tshuab, conductivity testers, beakers, dej deionized.

Tsis siv neeg tu program:

1. Kev npaj cov dej deionized: Cov dej deionized tau npaj siv lub tshuab electrodialyzer thiab cov ion exchange resin tuaj yeem.

2. Conductivity test: Cov hluav taws xob conductivity ntawm cov dej tom qab electrodialysis thiab ion exchange resin tanks raug cais los ntawm ib tug conductivity tester. Nws tuaj yeem siv rau kev ntxuav yog tias ua tau raws li qhov yuav tsum tau ua ntawm qhov ntsuas.

3. Kev qhia txog lub tshuab ntxhua khaub ncaws: Qhia cov dej deionized hauv cov dej cia rau hauv lub tshuab ntxhua khaub ncaws.

4. Teem lub tshuab ntxhua khaub ncaws. Qhov ntsuas kub ntawm cov dej yaug chamber thiab cov rinsing chamber tau teem rau 60 ± 10 degree. Lub tshuab ziab khaub ncaws yog teem rau 60 degree C rau 90 degree C.

5. Teem lub saw ceev. Cov saw nrawm nrawm yog 50-150 cm / min.

6. Tom qab ua tiav cov PCBA tu, tshem tawm ntawm lub tshuab ntxhua khaub ncaws thiab khaws cia rau hauv lub thawv hloov tshuaj tiv thaiv. Lub thawv tiv thaiv zoo li qub yuav tsum huv thiab tsis muaj plua plav kom tsis txhob muaj kuab paug rau PCBA tom qab ntxuav.