Kev ntsuam xyuas tsis zoo ntawm yoj soldering (3)

Shenzhen Shenchuang Hi-tech Electronics Co., Ltd (SChitec) yog lub tuam txhab ua haujlwm siab uas tshwj xeeb hauv xov tooj accessories ntau lawm thiab muag khoom. Peb cov khoom tseem ceeb muaj xws li kev mus ncig, chargers tsheb, 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 xws 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.

Nyob ruaj ntseg nrog SChitec

Kev ntsuam xyuas tsis zoo ntawm yoj soldering (3)

Tsis tiav solder pob qij txha

1. Tsis zoo wettability ntawm flux

2. Tsis muaj zog ua haujlwm ntawm flux

3. Qhov kub ntawm ntub dej los yog ua kom qis qis thiab dej nyab tsawg dhau

4. Ob chav nthwv dej ncov txheej txheem yog siv, thiab cov khoom zoo hauv flux yog volatilized kiag li nyob rau hauv ib tug tin pass.

5. Yog hais tias qhov kub ntawm preheating yog siab dhau lawm, tus activator yuav qhib qhov kev ua ua ntej. Thaum lub tin nthwv dej dhau mus, tus activator tsis muaj kev ua haujlwm, lossis kev ua haujlwm tsis muaj zog heev;

⒍⒍⒍⒍⒍ lub phaj txav nrawm nrawm dhau, kom qhov kub ntawm qhov preheating siab dhau lawm

⒎ txheej txheej tsis sib xws.

8. Kev oxidation hnyav ntawm cov ntaub qhwv thiab cov khoom siv ko taw, ua rau cov khoom noj tsis zoo

⒐ txheej txheej flux tsawg dhau; PCB ncoo thiab tivthaiv tus pin tsis tag nrho wetted

10. Kev tsim PCB tsis tsim nyog; Qhov kev teeb tsa ntawm cov khoom ntawm PCB yog qhov tsis tsim nyog, uas cuam tshuam rau cov tin loading ntawm qee cov khoom.

Phem Flox foaming

1. Kev xaiv tsis raug ntawm Flox

2. Cov yeeb nkab ua npuas dej yog qhov loj heev (feem ntau hais tias, cov yeeb nkab ua npuas dej ntawm lub qhov dej ntxuav Flox yog me me, thiab cov yeeb nkab ua npuas dej qhov ntawm cov resin Flox yog loj)

3. Lub foaming cheeb tsam ntawm lub foaming tank loj heev

4. Cua twj tso kua mis siab tsawg dhau

5. Cov yeeb nkab foaming muaj qhov xwm txheej uas cov yeeb nkab lub qhov xau los yog thaiv lub qhov cua, uas ua rau cov foaming tsis sib xws.

6. Ntau dhau diluent ntxiv

foaming ntau dhau

1. Huab cua siab dhau

2. Qhov chaw foaming me dhau

3. Muaj ntau cov flux ntxiv rau cov fluxes

4. Diluent tsis tau ntxiv rau lub sijhawm, ua rau muaj qhov siab ntawm Flox

FLUX discoloration

(qee qhov uas tsis yog pob tshab yog ntxiv nrog qee qhov photosensitive additives, xws li

Cov additive yuav hloov xim tom qab ntsib lub teeb, tab sis yuav tsis cuam tshuam rau vuam nyhuv thiab kev ua tau zoo ntawm flux)

Shedding los yog blistering

1. Ntau tshaj 80% ntawm cov laj thawj yog teeb meem hauv PCB kev tsim khoom

A. kev ntxuav tsis huv

B. pluag solder mask

C. mismatch ntawm PCB thiab solder mask

D. muaj av nyob rau hauv lub qhov drilling nkag mus rau lub qhov ncauj qhov ntswg

E. ntau zaus ntawm tin hla thaum cua kub theem

2. Qee cov tshuaj ntxiv hauv flux tuaj yeem rhuav tshem lub npog ntsej muag

3. Kub da dej kub heev los yog preheating kub

4. Ntau zaus ntawm vuam

5. Thaum lub sijhawm ua haujlwm ntawm tes tin dipping, PCB nyob ntawm qhov chaw ntawm cov tshuaj tin rau lub sijhawm ntev

Hluav taws xob teeb liab hloov

1. Tsawg rwb thaiv tsev tsis zoo thiab tsis zoo rwb thaiv tsev ntawm flux

2. Cov khoom seem tsis sib xws thiab tsis sib xws ntawm cov rwb thaiv tsev tiv thaiv, uas tuaj yeem tsim cov capacitance lossis tsis kam ntawm lub voj voog.

3. Cov dej rho tawm ntawm Flox tsis tsim nyog

4. Cov teeb meem saum toj no yuav tsis tshwm sim thaum lawv siv hauv kev ntxuav (lossis tuaj yeem daws tau los ntawm kev ntxuav)