Ob tog Sab Hauv Tsev Breakers PCB los ua ke

Product Detail

Cov ntsiab lus ceev

Qauv nab npawb: Customize

Qhov chaw ntawm Keeb Kwm: Shenzhen, Suav

Khoom siv hauv paus: FR-4/aluminium/ceramic/cem-3/FR-1

Copper Thickness: 1/2OZ 1OZ 2OZ 3OZ

Board Thickness: 0 2-4 hli

Min. Qhov Loj: 0.075mm/3mil

Min. Kab Dav: 0.1mm/4mil

Min. Kab nrug: 0.1mm/4mil

Surface Finishing: HASL

Daim ntawv pov thawj: ISO9001; TS 16949

Lwm Cov Kev Pabcuam: PCB Tsim thiab layout

Solder mask xim: Xiav. ntsuab. liab. dub. dawb. lwm

Txheej: 1 ~ 24 Txheej

Kev Pabcuam Kev Xeem: AOI X-Ray Function Test

Raws li ISO9001 daim ntawv pov thawj hluav taws xob sib dhos cov chaw tsim khoom, ua raws li kev tswj hwm zoo thiab cov txheej txheem. Cov kev ntsuam xyuas thiab kev soj ntsuam muaj xws li kev tshuaj xyuas lub cev thiab kev pom, qhib & luv luv, kev tshuaj ntsuam AOI, kev kuaj X-ray, thiab kev ntsuam xyuas hauv-Circuit. Peb kuj ua rau kev laus kuaj ob qho tib si rau niam board thiab cov khoom tiav. Cov txheej txheem tshuaj xyuas PCBA no ua kom cov neeg siv khoom kawg cov khoom ua tau raws li lawv cov qauv tsim, thiab tseem tswj hwm tag nrho cov ntau lawm kom tsis muaj qhov tsis zoo uas txo cov sij hawm txhuas.

Cov kauj ruam koom nrog hauv cov txheej txheem sib dhos PCB

Muaj ntau cov kauj ruam koom nrog hauv PCBA thiab kev tsim khoom. Yuav kom tau txais cov khoom zoo kawg nkaus, ua raws li cov kauj ruam no:

Kauj ruam 1: Ntxiv Solder Paste: Qhov no yog thawj theem ntawm cov txheej txheem sib dhos. Nyob rau theem no, solder paste yog ntxiv rau cov khoom pads qhov twg yuav tsum tau soldering. Muab cov tshuaj pleev xim rau ntawm cov ntaub qhwv thiab lo rau hauv qhov chaw zoo nrog kev pab los ntawm cov tshuaj ntsuam solder. Lub vijtsam no yog tsim los ntawm cov ntaub ntawv PCB nrog qhov.

Kauj Ruam 2: Muab Cov Cheebtsam: Nrog rau cov tshuaj nplaum ntxiv rau cov ntaub qhwv, nws yog lub sijhawm los tso cov khoom. PCB mus los ntawm lub tshuab uas tso cov khoom no rau ntawm cov ntaub qhwv. Lub nro muab los ntawm cov tshuaj txhuam hniav tuav cov khoom nyob rau hauv qhov chaw.

Kauj Ruam 3: Reflow Cub: Cov kauj ruam no yog siv los txuas cov khoom mus tas li rau lub rooj tsavxwm. Tom qab cov khoom raug muab tso rau ntawm lub rooj tsavxwm, PCB tau dhau los ntawm qhov cub reflow conveyor. Kev tswj cov cua sov ntawm qhov cub melts lub solder ntxiv nyob rau hauv thawj kauj ruam, mus tas li txuas cov khoom.

Kauj Ruam 4: Wave Soldering: Hauv kauj ruam no, PCB tau dhau los ntawm nthwv dej ntawm molten solder. Qhov no yuav tsim kom muaj kev sib txuas hluav taws xob ntawm cov solder, PCB pads thiab cov khoom ua haujlwm.

Kauj Ruam 5: Ntxuav: Ntawm cov kauj ruam no, tag nrho cov txheej txheem soldering tiav. Thaum lub sij hawm soldering txheej txheem, ib tug loj npaum li cas ntawm flux residue nyob ib ncig ntawm lub solder sib koom. Raws li lub npe qhia, cov kauj ruam no suav nrog kev ntxuav cov khoom seem. Ntxuav flux residue nrog dej deionized thiab hnyav. Nrog rau cov kauj ruam no, lub PCB sib dhos ua tiav. Cov kauj ruam tom ntej yuav xyuas kom meej tias kev sib dhos ua tiav raug.

Kauj Ruam 6: Kev Ntsuas: Nyob rau theem no, lub rooj sib dhos PCB tiav thiab kev tshuaj xyuas pib kuaj qhov chaw ntawm cov khoom. Qhov no tuaj yeem ua tau ob txoj hauv kev:

a. Phau ntawv: Qhov kev tshuaj xyuas no feem ntau yog ua rau cov khoom me me, cov khoom siv tsis ntau tshaj ib puas.

b. Tsis Siv Neeg: Daim tshev no yog ua los xyuas cov pob qij txha tsis zoo, cov khoom tsis raug, cov khoom tsis raug, thiab lwm yam.

Cov khoom yuav tsum tau ua:

1. Offset yuav tsum tau: Thaum lub sab yog offset, qhov tsawg kawg nkaus kev twb kev txuas dav (C) yuav tsum tsis txhob yuav tsawg tshaj li 3/4 ntawm cov tivthaiv weld kawg dav (W) los yog ncoo dav (P); xam los ntawm qhov me ntawm P thiab W.

2. Cov kev xav tau ntawm solder: qhov tsawg kawg nkaus nce toj tin qhov siab yog ntau dua 1/3 ntawm lub tsev fuabtais.

3. Kev tiv thaiv kev tiv thaiv: qhov tsawg kawg nkaus nce toj tin qhov siab yog ntau dua 1/3 ntawm lub tsev fuabtais.

4. Tsis txhob txais lwm cov ntaub ntawv.

5. PCB qhov yuav tsum tau ua: cov khoom xa tuaj dawb tsis lees txais foaming lossis stratification.

6. PCBA qhov yuav tsum tau muaj: anti-static tag nrho pob

7. Kev tu kom huv: cov dej huv tshwj xeeb, thov nco ntsoov cov dej ntws yuav tsum mos, tsis txhob hnyav heev, ua tib zoo txhuam nrog txhuam txhuam thaum txhuam, ob sab ntawm lub rooj tsavxwm yuav tsum tau ua tib yam.

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