Vim li cas PCBA Quotes qeeb? RFQ Teeb meem Cov neeg yuav khoom feem ntau saib dhau

Taw qhia

Hauv PCB, PCBA, thiab EMS cov haujlwm, cov neeg yuav khoom, cov kws tsim khoom, thiab cov thawj tswj haujlwm feem ntau khiav mus rau tib lo lus nug:

Vim li cas qee qhov PCBA quotes rov qab los sai sai, thaum lwm tus mus dhau ntau qhov kev qhia meej ua ntej tus nqi tuaj yeem ua tiav?

Los ntawm tus neeg yuav khoom sab, RFQ tej zaum twb muaj xws li BOM, Gerber cov ntaub ntawv, thiab lub hom phiaj kom muaj nuj nqis. Los ntawm tus neeg muag khoom sab, txawm li cas los xij, seb lub pob ntawd puas txaus rau cov lus hais tseem nyob ntawm ntau qhov kev ua tiav - theem, xws li:

• seb BOM puas siv tau rau kev muab khoom thiab nqi
• seb cov khoom puas tuaj yeem ruaj ntseg tsis pub dhau lub sijhawm ua lub hom phiaj
• seb lub fabrication pob tiav lawm
• seb lub hom phiaj sib dhos puas meej
• seb qhov kev xeem yuav tsum tau txhais li cas
• seb qhov kev tsocai yog rau kev siv nyiaj txiag lossis kev txiav txim siab yuav khoom
• seb tag nrho cov ntaub ntawv RFQ yog raws li qhov kev hloov kho tshiab

Tias yog vim li cas qhov kev ncua sij hawm PCBA feem ntau tsis yog qhov teeb meem kev muag khoom xwb. Hauv ntau qhov xwm txheej, nws qhia txog qhov teeb meem kev sib koom tes thoob plaws hauv engineering, kev tsim khoom, kev tsim khoom, kev sim, thiab kev xa khoom.

Dab tsi yog PCBA Quote Tiag Tiag?

Ntau tus neeg xav tias PCBA cov lus qhia tsuas yog qhov kev sib sau ua haujlwm thiab cov khoom siv. Nyob rau hauv kev xyaum, tshwj xeeb tshaj yog nyob rau hauv turnkey PCBA los yog ib feem turnkey PCBA tej yaam num, cov neeg muag khoom feem ntau yuav tsum tau soj ntsuam ntau yam nyob rau tib lub sij hawm:

• PCB fabrication ua tau
• BOM kev npaj khoom
• alternate part and second -qhov kev pheej hmoo
• SMT, DIP, tes- soldering, los yog sib xyaw- txheej txheem txheej txheem complexity
• kuaj Scope thiab fixture xav tau
• project theem, xws li tsab ntawv, pilot run, los yog ntau lawm
• coj lub sij hawm thiab ib nrab - kev xa khoom xa tuaj
• cov ntaub ntawv kho qhov sib xws
• txheej txheem tshwj xeeb thiab kev ua raws cai
• Hauv lwm lo lus, cov lus hais uas ze dua rau qhov kev ua tiav tiag tiag tsis tshua muaj qee yam uas tus neeg muag khoom tuaj yeem ua tiav tsuas yog pom BOM.

Hauv ntau cov haujlwm EMS, kev kwv yees nyiaj txiag tuaj yeem npaj los ntawm cov ntaub ntawv ib nrab. Ib qho kev hais kom ua tau zoo dua, txawm li cas los xij, feem ntau yuav tsum tau ua kom tiav cov khoom, engineering, thiab cov khoom siv xeem.

Vim li cas Ntau PCBA Quotes qeeb?

1. Lub BOM tsis tiav lossis tsis npaj rau kev tshuaj xyuas

Qhov no yog ib qho ntawm feem ntau yog vim li cas rau ncua.

BOM yuav saib ua tiav ntawm qhov chaw, tab sis nws tseem yuav tsis tau npaj rau tus nqi nrawm los ntawm qhov kev xav ntawm qhov khoom. Cov teeb meem tshwm sim muaj xws li:

• Sab hauv cov lej nkaus xwb, tsis muaj tus lej tsim khoom (MPNs)
• cov ntaub ntawv chaw tsim khoom uas ploj lawm
• cov ntaub ntawv tsis tiav pob
• tsis meej DNP / DNI cim
• mismatched kom muaj nuj nqis thiab siv tus tsim
• tsis sib haum xeeb cov lus piav qhia thoob plaws kev kho dua tshiab
• tsis muaj lus qhia meej txog seb puas muaj lwm txoj kev tso cai

Cov teeb meem no tsis yog tiv thaiv tus nqi nrawm xwb. Lawv kuj ua rau nws nyuaj rau:

• txheeb xyuas qhov tseeb qhov yuav tsum tau
• ntsuam xyuas lub sij hawm ua raws li lub sij hawm thov
• txiav txim siab seb qhov chaw thib ob puas txais tau
• chij siab - cov khoom pheej hmoo ua ntej

Hauv ntau cov haujlwm PCBA, BOM ua tiav cuam tshuam ntau dua li cov nqi khoom. Nws kuj muaj feem cuam tshuam rau kev ntsuam xyuas lub sij hawm ua ntej thiab lwm qhov kev ntsuam xyuas.

Ib qho BOM uas zoo dua rau kev hais lus yuav tsum muaj xws li:

• siv tus tsim
• kom muaj nuj nqis rau ib lub rooj tsavxwm
• npe manufacturers
• Chaw tsim tshuaj paus tus lej (MPN)
• pob
• piav qhia
• lus hais
• DNP / DNI npav
• lwm yam kev txwv lossis kev pom zoo

2. Cov khoom siv khoom siv tseem tsis tau meej meej

Hauv qhov project turnkey PCBA, cov lus hais tsis yog hais txog kev sib dhos xwb. Nws tseem cuam tshuam txog kev tsim khoom.

Qee lub sij hawm tus neeg muag khoom tuaj yeem nyeem BOM, tab sis tseem xav tau kom paub meej:

• seb qhov tseem ceeb puas muaj tam sim no
• seb puas muaj lub sij hawm ntev ua rau raug
• seb thib ob- qhov chaw tau tso cai
• seb puas muaj lwm yam xav tau rooj plaub-los ntawm- rooj plaub rau cov neeg siv khoom pom zoo
• seb puas muaj qee yam siab - cov khoom pheej hmoo yuav tsum tsuas yog sau nrog cov ntawv sau

Qhov no tshwj xeeb tshaj yog nyob rau hauv tej yaam num xws li:

• Industrial tswj PCBA
• khoom siv xov tooj cua
• fais fab tswj boards
• cov khoom uas muaj xws li MCUs, flash, connectors, los yog module-raws li kev tsim
• Kev tsim kho sai lossis qis- ntim, siab- sib xyaw ua haujlwm

Yog li ntau zaus, qhov ncua sij hawm tsis tau txhais hais tias tus neeg muag khoom tsis tuaj yeem hais. Nws txhais tau hais tias pab neeg muab khoom tseem tab tom txiav txim siab seb BOM puas tuaj yeem yuav khoom raws li qhov xav tau.

Hauv ntau qhov kev hloov pauv PCBA, cov neeg muag khoom yuav tsum paub meej tias BOM puas tuaj yeem ua tiav raws li lub sijhawm thov, lwm txoj cai, thiab kev txwv tsis pub khoom ua ntej qhov kev tsocai tuaj yeem cuam tshuam txog kev ua tiav tiag tiag.

3. Gerber ntaub ntawv tau muab, tab sis cov fabrication pob tseem tsis tiav

Hauv ntau RFQs, cov neeg yuav khoom hais tias, "Peb twb xa Gerbers lawm." Los ntawm kev tshuaj xyuas kev tsim khoom, txawm li cas los xij, cov ntaub ntawv Gerber feem ntau tsuas yog ib feem ntawm cov khoom tsim khoom ntau dua li tag nrho cov pob.

Daim ntawv tsocai tseem tuaj yeem ncua yog tias tus neeg muag khoom tseem tsis tau muaj:

• sib sib zog nqus cov ntaub ntawv
• stack-cov ntaub ntawv
• board thickness thiab tooj liab thickness xav tau
• qhov yuav tsum tau ua tiav
• tswj impedance sau ntawv
• panelization xav tau
• cov ntawv sau tshwj xeeb lossis cov txheej txheem txwv
• kev sau ntawv

Qhov no ua qhov tseem ceeb tshaj hauv cov haujlwm uas muaj xws li:

• HDI boards
• qhov muag tsis pom los yog faus ntawm cov qauv
• siab - qauv tsim
• RF lossis siab -frequency boards
• kev lag luam lossis siab -cov ntawv thov kev ntseeg siab
• cov ntaub ntawv tshwj xeeb substrate

Rau cov neeg muab khoom, cov ntaub ntawv duab ib leeg tsis yog ib txwm txaus los ntsuas qhov liab qab -cov nqi thiab kev tsim khoom. Yog hais tias qhov fabrication ciam teb tseem qhib, qhov kev tsocai yog feem ntau raws li kev xav, uas yuav ua rau kom muaj kev hloov kho tom qab.

4. Cov ntaub ntawv RFQ zoo tag, tab sis cov kev hloov kho tsis sib xws

Qhov no yog lwm qhov teeb meem tshwm sim, thiab feem ntau nws yog underestimated.

Ib pob RFQ yuav tshwm sim suav nrog txhua yam:

• BOM
• Gerber cov ntaub ntawv
• sib dhos kos duab
• koom tes lossis xaiv-thiab- tso cov ntaub ntawv
• cov ntawv txhawb nqa

Tab sis yog tias cov ntaub ntawv no tsis yog raws li qhov kev hloov kho hauv paus, pab pawg engineering feem ntau yuav tsum sib haum ua ntej cov lus hais tuaj yeem mus tom ntej.

Cov xwm txheej uas muaj xws li:

• BOM kev hloov kho tsis zoo li Gerber hloov kho
• Cheebtsam qhia nyob rau hauv lub rooj sib txoos daim duab tsis phim BOM
• cov ntaub ntawv sib koom ua ke tsis phim cov ntaub ntawv PCB tshiab
• Ntau yam khoom lag luam muaj nyob, tab sis cov lus hais tawm tsis tau qhia meej meej
• email attachments thiab huab-cov ntaub ntawv khaws tseg tsis yog los ntawm tib qhov kev tso tawm

Cov xwm txheej no tuaj yeem nyuaj rau kev daws teeb meem ntau dua li cov ntaub ntawv ploj lawm, vim tias engineering thawj zaug yuav tsum txiav txim siab seb qhov version twg yog qhov tsim nyog siv tau.

Txawm tias thaum lub pob RFQ tshwm tiav, qhov kev tsocai tseem tuaj yeem ncua yog tias BOM, cov ntaub ntawv tsim tawm, thiab cov ntaub ntawv sib dhos tsis taw tes rau tib qhov kev kho dua tshiab.

5. Cov kev xeem xeem tsis tau txhais ntxov txaus

Qee cov RFQs pib ua yooj yim "kev sib sau ua ke" lossis "PCBA quotes," tab sis tom qab ntxiv cov kev cai xws li:

• AOI
• X-raj
• ICT
• FCT
• fais fab - ntawm kev sim
• programming
• hlawv -in
• kev cai fixtures
• xeem ntawv yuav tsum tau

Cov khoom no cuam tshuam rau:

• lub sijhawm ua haujlwm
• cuab yeej peev
• txhim kho fixture
• xeem engineering npaj
• cov qauv xa khoom
• quotation ciam teb

Yog hais tias qhov kev xeem yuav tsum tau qhia txog lig nyob rau hauv tus txheej txheem, tus thawj quote tej zaum yuav tsis muaj kev cuam tshuam cov kev ua tiav tiag tiag.

Rau kev tswj hwm kev lag luam, kev sib txuas lus, hluav taws xob hluav taws xob, khoom siv kho mob, thiab lwm yam kev ntseeg siab - cov khoom lag luam rhiab heev, qhov ntsuas qhov ntsuas tau raug txhais ua ntej, qhov ruaj khov ntawm cov lus hais feem ntau dhau los. Qhov no kuj yog qhov twgKev kuaj thiab tshuaj xyuaskev cia siab yuav tsum tau qhia kom meej sai li sai tau.

6. Qhov project theem tsis tau txhais meej meej

Tib lub pob tsim yuav raug hais txawv txawv nyob ntawm qhov project theem.

Piv txwv li:

• ib tug 5-thooj engineering qauv
• ib 100-pilot khiav
• ib qho kev txiav txim tsis tu ncua ntawm 1,000+ units

Cov xwm txheej no yuav txawv ntawm qhov:

• kev tsim khoom tswv yim
• stencil thiab vaj huam sib luag nqi faib
• engineering soj ntsuam qhov tob
• sim peev qauv
• kev npaj xa khoom
• lwm txoj cai
• muab kev pabcuam tseem ceeb

Yog tias tus neeg yuav khoom tsis tau hais meej meej seb RFQ yog rau:

• kev tshuaj xyuas nyiaj txiag
• engineering qauv
• pilot khiav
• ntau lawm
• kev npaj txhua xyoo

7. Lub sij hawm ua ntej thiab cov khoom xa tuaj tseem qhib

Hauv ntau qhov haujlwm, cov neeg yuav khoom tsom rau tus nqi tab sis tsis txhais, ntawm theem RFQ:

• xav tau hnub nkoj
• seb qhov project yog ceev
• seb kev xa khoom ib nrab puas tau
• seb cov khoom siv sij hawm ntev npaum li cas yuav raug faib tawm
• seb puas yuav tsum muaj ib txoj kev logistics tshwj xeeb
• Txawm hais tias barcode, ntim khoom, lossis ESD yuav tsum tau siv

Tab sis los ntawm tus neeg muag khoom qhov kev xav, cov xwm txheej no tuaj yeem hloov pauv cov tswv yim thiab cov lus piav qhia.

Tib BOM tuaj yeem raug hais tawm ib txoj hauv kev raws li cov qauv coj ua thiab lwm txoj hauv kev raws li cov xwm txheej ceev. Hauv qee kis:

• cov channel ib txwm tuaj yeem ua tau raws sijhawm raws sijhawm
• chaw- yuav cov channel yuav xav tau rau kev tsim kho sai
• qee qhov siab - qhov pheej hmoo yuav xav tau kev npaj cais lossis sau ntawv tshwj xeeb

Tias yog vim li cas lub sij hawm txhuas tsis yog ib yam dab tsi uas tsuas yog los tom qab qhov kev tsocai. Nws yog ib feem ntawm qhov quote nws tus kheej.

8. Cov txheej txheem tshwj xeeb lossis cov kev xav tau ntxiv tau nthuav tawm lig dhau lawm

Qee qhov haujlwm pib zoo li tus qauv PCBA sib dhos, tab sis tom qab nthuav dav suav nrog:

• conformal txheej
• xaiv soldering
• nias- haum cov haujlwm
• kev tu huv
• traceability xav tau
• cable los ua ke los yog xaim hlua ua haujlwm
• box tsim los ua ke
• ua raws li - cov ntaub ntawv tshwj xeeb

Cov kev xav tau ntxiv no tuaj yeem cuam tshuam:

• txheej txheem routing
• kev ua haujlwm thiab cov cuab yeej xav tau
• hom kev xa khoom
• kev soj ntsuam xyuas
• tus qauv nqi

Yog tias cov xwm txheej no tau tshaj tawm lig, pawg neeg hais lus feem ntau yuav tsum tau kho cov nqi them nqi tom qab kev tshuaj xyuas thawj zaug.

Puas yog Quote Delay feem ntau tshwm sim los ntawm tus neeg yuav khoom lossis tus neeg muag khoom?

Ntau tus neeg instinctively xav tias qhov kev ncua sij hawm txhais tau tias tus neeg muag khoom qeeb. Qhov tseeb, kev ncua sij hawm tuaj yeem los ntawm ob tog.

Feem ntau tus neeg yuav khoom-sab ua rau

• RFQ cov ntaub ntawv tsis tiav
• ib qho BOM uas tsis tau npaj rau kev tshuaj xyuas
• mismatched cov ntaub ntawv kho dua
• undefined test scope lossis alternate rules
• tsis meej qhov project theem lossis lub sijhawm ua lub hom phiaj
• kev tshaj tawm lig ntawm cov txheej txheem tshwj xeeb

Tus neeg muab khoom siv - sab sib txawv kuj tseem ceeb

• kev sib koom tes tsis zoo ntawm kev muag khoom, kev tsim khoom, thiab engineering
• qis dua qhov tseem ceeb sab hauv rau tus qauv lossis qis- cov haujlwm ntim
• cov channel tsis ruaj khov rau siab - cov khoom pheej hmoo
• tsis yog -tus qauv DFM tshuaj xyuas thiab cov txheej txheem hais txog kev lag luam
• serial es tsis yog thaum uas tig mus rau kev ntsuam xyuas thiab kev ntsuam xyuas txheej txheem

Cov yam ntxwv no tsis yog ib txwm pom hauv kev sib tham nws tus kheej, tab sis cov neeg yuav khoom feem ntau pom cov txiaj ntsig:

• tib RFQ tau txais cov lus teb sib txawv heev los ntawm cov neeg muag khoom sib txawv
• ib tus neeg muag khoom quotes sai sai tab sis tom qab kho tus nqi pheej rov qab
• lwm tus nug ntau cov lus nug pem hauv ntej tab sis ua tiav ntau dua tom qab

Tias yog vim li cas quote speed ib leeg tsis yog ib qho kev ntsuas kev ntseeg siab ntawm cov khoom muaj peev xwm. Dab tsi tseem ceeb tshaj yog seb cov lus hais tau ua los ntawm qhov tseeb thiab ua tiav qhov kev xav.

Cov ntaub ntawv keeb kwm dab tsi yuav tsum muaj nyob rau hauv RFQ Email?

Ntxiv rau cov ntaub ntawv engineering lawv tus kheej, RFQ email yuav tsum qhia meej:

• seb qhov project yog rau prototype, pilot, lossis ntau lawm
• quotation ntau
• lub sij hawm ua lub hom phiaj
• seb puas muaj kev hloov pauv tau
• cov khoom twg yog qhov tseem ceeb
• seb cov npe tshwj xeeb lossis cov khoom lag luam yuav tsum tau ua
• seb qhov kev sim, kev ua haujlwm, lossis kev tshaj tawm - yuav tsum tau ua pov thawj los ua ke
• seb cov txheej txheem tshwj xeeb yuav tsum siv li cas
• seb kev xa khoom xa tuaj puas tau txais
• seb qhov kev tsocai yog rau kev siv nyiaj txiag lossis kev txiav txim siab PO

Hom phiaj luv luv no lossis RFQ README tuaj yeem txhim kho kev hais lus zoo hauv ntau qhov haujlwm.

Cov ntaub ntawv engineering txiav txim siab seb qhov project puas tuaj yeem ntsuas tau. Cov ntsiab lus ntawm qhov project txiav txim siab npaum li cas thiab ua tau zoo npaum li cas qhov kev ntsuam xyuas tuaj yeem ua tiav.

Hauv qee qhov project turnkey, tshwj xeeb tshaj yog thaum lub hom phiaj, ntshuam - cuam tshuam txog kev txwv, lossis kev xa khoom ciam teb tau txhais meej meej, kev xa khoom dav dua - tus nqi tseem ceeb kuj tseem ceeb. Kev nthuav qhia cov nqe lus xa khoom xa tuaj thiab kev cia siab ntawm kev xa khoom ua ntej tuaj yeem pab ua kom cov lus pom tseeb dua.

Yuav ua li cas cov neeg yuav txo qis PCBA nqe lus ncua?

Yog tias lub hom phiaj yog:

• tau ib daim ntawv qhia siv tau sai dua
• txo cov lus piav qhia ntxiv
• txo qhov kev pheej hmoo ntawm kev hloov kho nqi tom qab
• txheeb xyuas cov teeb meem saw khoom ua ntej

ces nws yuav pab xyuas cov hauv qab no ua ntej xa RFQ.

Ua ntej-RFQ daim ntawv txheeb xyuas

• Puas yog BOM qhov tseeb version?
• Nws puas suav nrog cov chaw tsim khoom thiab MPN?
• Puas yog DNP / DNI cov khoom cim meej?
• Puas yog cov ntaub ntawv Gerber phim qhov kev hloov kho tshiab kawg?
• Puas yog cov ntaub ntawv xyaum xyaum suav nrog?
• Puas yog lub rooj sib txoos kos duab muaj?
• Puas muaj kev sib koom tes lossis xaiv-thiab- cov ntaub ntawv chaw tau muab rau SMT- hnyav tsim?
• Puas yog qhov kev xeem tau raug txhais lawm?
• Puas muaj lwm txoj cai tau qhia meej?
• Puas yog qhov project theem qhia meej?
• Puas yog lub hom phiaj kev coj ua lub sijhawm txhais?
• Puas muaj cov txheej txheem tshwj xeeb tau nthuav tawm ntxov?
• Puas yog tag nrho cov ntaub ntawv muaj nyob rau tib lub hauv paus kev kho dua tshiab?

Ib pob RFQ ua tiav ntau dua tsis tau lees paub qhov kev tsocai tam sim, tab sis nws feem ntau txo qis rov qab los ntawm kev zam -thiab- tawm mus.

Xaus

Ntau cov lus hais PCBA tau ncua tsis yog vim hais tias cov lus hais yog ib qho yooj yim pricing nqis, tab sis vim hais tias nws yog ib tug pem hauv ntej - xaus kev sib koom tes xyuas.

Hauv ntau cov haujlwm EMS, cov txheej txheem hais lus tau zoo li los ntawm kev xa khoom, kev tsim vaj tsev, kev tsim, kev sim, thiab kev xa khoom tib lub sijhawm.

Cov laj thawj feem ntau ntawm kev ncua sij hawm muaj xws li:

• ib qho tsis tiav BOM
• unsolved component source tej yam kev mob
• ib pob fabrication tsis tiav
• mismatched cov ntaub ntawv kho dua
• tsis tau txhais qhov kev xeem
• tsis meej qhov project theem
• qhib lub sijhawm ua haujlwm
• cov txheej txheem tshwj xeeb yuav tsum tau nthuav tawm lig dhau lawm

Ib qho ua tiav ntau dua, zoo ib yam, thiab zoo dua - cov ntsiab lus ntawm RFQ pob feem ntau ua rau kom nrawm dua, ruaj khov dua, thiab ua tau zoo dua.

Yog tias koj xav txo qis PCBA kev hais lus qeeb, ib qho ntawm cov kauj ruam ua tau zoo tshaj plaws tsis yog tsuas yog thov kom tau txais cov lus teb sai dua, tab sis muab cov ntawv ua tiav, ua tiav, thiab kho dua tshiab - pob RFQ sib npaug txij thaum pib.