Txee lub neej thiab tus nqi ntawm PCBA

PCBA yog cov ntawv luv ntawm cov ntawv luam tawm Circuit Board sib dhos ua lus Askiv, uas yog hais tias, lub khoob PCB dhau los ntawm SMT chaw thau khoom lossis tag nrho cov txheej txheem ntawm dip plug-in, uas yog hu ua PCBA luv luv Qhov no yog ib qho kev siv ntau hauv Suav teb, hos tus txheej txheem sau ntawv nyob teb chaws Europe thiab Amelikas yog pcb’a nrog “‘”, uas yog hu ua official idiom. Ntawm no yog ntev npaum li cas PCBA cov khoom ua haujlwm tuaj yeem khaws cia.
Ntev npaum li cas PCBA cov khoom tiav tuaj yeem khaws cia.


PCBA yog hais txog lub rooj tsav xwm hauv Circuit Court nrog ntau yam khoom siv welded rau ntawm nws qhov chaw. Cov tib neeg feem ntau xyuam xim rau nws txoj kev ntseeg siab ntawm lub sijhawm ntev thiab kev ua haujlwm siab, thiab qee zaum yuav tsum paub txog nws lub txee lub neej. Feem ntau, lub neej cia ntawm PCBA cov khoom ua tiav yog 2-10 xyoo, uas feem ntau cuam tshuam los ntawm cov hauv qab no:
1. Ib puag ncig
Qhov chaw ntub thiab plua plav yog pom tseeb tsis tsim nyog rau kev khaws cia ntawm PCBA. Cov yam ntxwv no yuav ua kom cov oxidation thiab av ntawm PCBA thiab ua kom lub neej ntev ntawm PCBA. Feem ntau, nws raug pom zoo kom khaws PCBA hauv qhov chaw qhuav, tsis muaj plua plav nrog qhov kub thiab txias ntawm 25 ℃.
2. Kev ntseeg tau ntawm cov khoom
Kev ntseeg siab ntawm cov khoom thiab cov khoom ntawm PCBAs sib txawv kuj tseem txiav txim siab lub txee lub neej ntawm PCBA. Cov khoom siv thiab cov khoom siv nrog cov ntaub ntawv zoo thiab cov txheej txheem muaj peev xwm tiv taus qhov hnyav ib puag ncig, nrog rau ntau yam muaj peev xwm thiab muaj zog oxidation tsis kam, uas tseem muab kev lees paub rau kev ruaj ntseg ntawm PCBA.
3. Cov khoom siv thiab cov txheej txheem kev kho deg ntawm lub rooj tsav xwm Circuit Court
The material of circuit board itself is not easily affected by the environment, but its surface treatment process is greatly affected by air oxidation. Good surface treatment can prolong the shelf life of PCBA.
4. PCBA board khiav load
PCBA ua haujlwm load yog qhov tseem ceeb tshaj plaws rau nws lub neej cia. Kev ua haujlwm nrog lub siab zaus thiab kev thauj khoom siab yuav muaj kev cuam tshuam tsis tu ncua ntawm cov kab hluav taws xob hauv Circuit Court thiab cov khoom siv, uas yuav yooj yim rau oxidize nyob rau hauv lub zog ntawm cov cua sov, uas ua rau luv luv Circuit Court thiab qhib Circuit Court thaum lub sij hawm ua hauj lwm ntev. Yog li ntawd, kev ua haujlwm tsis zoo ntawm PCBA pawg thawj coj saib yuav tsum nyob hauv nruab nrab ntawm cov khoom siv thiab tsis txhob nyob ze ntawm tus nqi siab tshaj plaws, uas tuaj yeem tiv thaiv PCBA zoo thiab txuas ntxiv nws lub neej cia.
Lub neej txee ntawm PCBA cov khoom ua tiav yog kev ua haujlwm tiav, uas yuav tsum tau ua raws li cov qauv tsim kev tshawb fawb, kev tsim cov txheej txheem specifications thiab kev ua haujlwm tshwj xeeb, txhawm rau ua kom lub neej ntev tshaj plaws.
Cov saum toj no yog cov specifications thiab yam uas yuav tau txais kev cawmdim rau PCBA ua cov khoom. Kuv vam tias nws yuav pab tau koj.

 

Tam sim no muaj ntau yam khoom siv hluav taws xob, tsuav yog cov khoom siv uas yuav tsum tau siv PCB, ntau lub tuam txhab hluav taws xob tsis paub yuav them nqi rau PCBA li cas. PCBA cov nqi ua haujlwm yog tsim los ntawm cov.
PCBA thaj ua cov nqi muaj pes tsawg leeg
1. tus nqi PCB (yog tias koj muab koj tus kheej, nws yuav tsis raug them);
2. tus nqi yuav khoom (yog tias koj tseem muab qhov no los ntawm koj tus kheej, nws kuj yog dawb);
3. SMT tus nqi ua haujlwm (SMD nti + dip ncej vuam);
4. PCBA tus nqi xeem thiab nqi sib dhos.
Tus nqi suav ntawm PCBA thaj ua haujlwm
1, PCB board nqi
Yog tias koj xav nrhiav PCBA processor los pab koj ua, koj yuav tsum muab cov ntaub ntawv PCB thiab BOM daim ntawv teev npe. PCBA processor yuav pab koj ua PCB liab qab boards raws li koj cov ntaub ntawv PCB. Lub sij hawm no, thawj feem ntawm tus nqi, PCB board nqi, yuav tshwm sim. Tus nqi ntawm PCB board nyob ntawm cov txheej txheem nyuaj ntawm lub rooj tsavxwm. Piv txwv li, cov nqi ntawm 4-txheej board, 8-txheej board, aluminium substrate thiab carbon number case board yog txawv. Tau kawg, koj tuaj yeem nrhiav koj tus kheej PCBA board Hoobkas rau kev ua haujlwm. Tus nqi yeej tsis pheej yig heev. Tom qab tag nrho, yuav tsum muaj luv nqi rau lwm tus ‘kev koom tes mus sij hawm ntev. Thov koj txhob xav li cas los ua ib tug tyrant hauv zos.
2 、 Tus nqi yuav khoom
PCBA thaj ua rau ntu II tus nqi, cov nqi yuav khoom. Cov chaw tsim khoom lag luam yuav cov khoom thiab cov khoom koj xav tau raws li BOM. Thaum muas cov khoom thiab cov khoom, vim yog qhov chaw thau khoom xws li cov resistors thiab capacitors thiab SMT nti poob (xws li dhia lub rooj tsavxwm tsis ncaj ncees lawm, tsis tshem cov kab xev hauv lub sijhawm, thiab lwm yam), li ntawm 5% ntawm cov khoom poob yuav tsum tau them; Cov neeg tsim khoom muaj kev koom tes ntev nrog cov tuam txhab tsim khoom, yog li tus nqi yuav qis dua.
3, SMT ua nqi (SMD nti + dip ncej vuam)
Thaum xam tus nqi ua SMT, koj yuav tsum xub pom tias koj cov khoom ua haujlwm loj npaum li cas. Yog tias nws loj dua 2000pic, tsis tas yuav them tus nqi engineering, txwv tsis pub yuav muaj nqi ntxiv engineering. Tom ntej no, xam tus naj npawb ntawm cov ntsiab lus sib npaug los ntawm chav tsev nqi ntawm cov ntsiab lus. Tus nqi ntawm cov ntsiab lus thaj yog nruab nrab ntawm 0.01-0.015 yuan. Tus naj npawb ntawm cov ntsiab lus yog xam raws li ob tus pins ntawm SMT thaj khoom thiab ib tus pin ntawm dip plug-in. Muab ob npaug. Kev kho kom zoo tuaj yeem muab faib ua:
1.0402 lub ntsiab yog xam raws li 0.015 ib dot * txiaj 0603-1206 Cheebtsam yog xam los ntawm 0.015 ib point * txiaj
2. ib tug pin ntawm plug-in khoom yog ib tug taw tes; Nws yog xam raws li 0.015 ib point * txiaj.
3. plaub tus pins ntawm qhov hom yog ib qho taw tes; Nws yog xam raws li 0.015 ib point * txiaj.
4. hom IC, 4 tus pins yog 1 point; Nws yog xam raws li 0.015 ib point * txiaj.
5. ntom tus pin IC, ob tus pins yog ib qho taw tes; Nws yog xam raws li 0.015 ib point * txiaj.
6. ob txhais ceg BGA yog ib qho taw tes; Nws yog xam raws li 0.015 ib point * txiaj.
7. tshuab pasted bulk cov ntaub ntawv yuav tsum tau xam los ntawm ob npaug rau lub ntim ntawm cov khoom.
8. tus nqi ntxiv yog xam raws li 20 yuan * ib teev
9. cov lus hais tsis suav nrog tus nqi xeem, nqi tsheb thauj mus los, se, thiab lwm yam.
4、 PCBA test fee and assembly fee
Tus nqi kuaj PCBA feem ntau suav nrog 2 yuan ib phaj, ntxiv rau PCBA sib dhos thiab ntim nqi, uas feem ntau yog 0.8 yuan ib phaj. Qhov no yog plaub feem ntawm tus nqi.
Ntxiv rau plaub qhov saum toj no ntawm tus nqi, uas yog PCBA thaj ua haujlwm nqi.
The above is how to charge for PCBA patch processing? The introduction to the composition of PCBA patch processing costs, I hope it can help you, and I want to know more about PCBA ua cov ntaub ntawv.