Kev ntseeg siab hauv kev tswj hwm kev lag luam tsis yog ib yam uas tus kws kho mob EMS tuaj yeem tshawb xyuas rau hauv cov khoom kawg ntawm kab.
Nws pib ntxov dua li ntawd.
Lub rooj tswj xyuas kev lag luam txhim khu kev qha yog nyob ntawm kev tswj cov khoom siv, cov txheej txheem sib dhos PCB ruaj khov, kev tuav cov khoom sib txuas kom zoo thiab dhau los ntawm - qhov chaw, kev pov hwm kev pov hwm, cov ntaub ntawv tsim tawm, thiab kev paub txog kev siv tshuab txaus kom paub tseeb tias lub rooj tsavxwm tuaj yeem ua haujlwm hauv cov khoom siv tiag tiag.
Rau cov neeg yuav khoom OEM, cov lus nug tseem ceeb tsis yog, "Tus neeg muag khoom puas tuaj yeem sib sau ua ke ntawm pawg thawj coj saib?"
Cov lus nug zoo dua yog: "Puas yog cov kev xav tau sib dhos tau pom meej txaus rau lub rooj tsavxwm tsim, sim, rov ua dua, thiab txhawb nqa hauv nws qhov chaw ua haujlwm tiag tiag?"
Qhov kev sib txawv no tseem ceeb vim tias cov tswj hwm kev lag luam feem ntau nyob hauv PLC modules, lub tshuab tswj lub cev muaj zog, I/O boards, cov khoos phis tawj, lub rooj vag, lub hwj chim tswj, tshuab vaj huam sib luag, thiab txee- khoom siv. Lub rooj tsavxwm tuaj yeem dhau lub zog yooj yim- ntawm kev kuaj xyuas thiab tseem tsis muaj zog hauv thaj teb yog tias qhov sib txuas ntawm kev ntxhov siab, kev hloov pauv, txheej txheem soldering, firmware loading, thermal cwj pwm, kev kuaj xyuas, lossis kev tswj xyuas tsis raug.
Hauv kev xyaum, txhim khu kev qha muaj kev tswj xyuas pawg thawj coj ua haujlwm zoo li kev tswj xyuas cov saw hlau. Thaum ib qho kev xav tau tsis meej, tag nrho kev tsim ua nyuaj rau kev ntseeg.
Pib nrog lub luag haujlwm tiag tiag, Tsis yog Generic "Industrial Grade" Label
Industrial tswj boards tsis yog txhua tus tib yam.
Qee lub boards tsuas yog tswj cov teeb liab hloov dua siab tshiab. Lwm tus hloov relays, tsav tawm, los yog sib txuas lus nrog PLCs, sensors, rooj vag, muaj computers, thiab siab dua - theem tswj systems. Qee tus zaum hauv huab cua-tswj lub txee. Lwm tus ua haujlwm ze ntawm lub cev muaj zog, cov khoom siv hluav taws xob, kev co, cua sov, plua plav, lossis kev xaim hluav taws xob.
Kev sib dhos yuav tsum tau ua raws li pawg thawj coj saib xyuas lub luag haujlwm.
Ib tug tsawg-tseem ceeb interface board tej zaum yuav xav tau tus qauv SMT PCB los ua ke, automated optical soj ntsuam, kev soj ntsuam pom, thiab yooj yim hluav taws xob kev pom zoo. Lub Rooj Tswjhwm Saib nrog relays, davhlau ya nyob twg blocks, firmware, teb thaiv, kev sib txuas lus chaw nres nkoj, los yog lub hwj chim seem yuav xav tau ib tug ncauj lus kom ntxaws tsim txoj kev npaj.
Qhov no yog qhov uas ntau qhov project mus yuam kev. Cov neeg yuav khoom qee zaum piav qhia txog lub rooj tsavxwm li "qib kev lag luam" yam tsis tau txhais tias txhais li cas hauv cov ntsiab lus tsim khoom.
Ib qho RFQ zoo dua yuav tsum qhia meej:
- qhov twg lub rooj tsavxwm yuav siv
- seb lub rooj tsavxwm yog ib feem ntawm lub txee tswj, tshuab, module, los yog embedded ntaus ntawv
- dab tsi hluav taws xob, thermal, lossis mechanical stress lub rooj tsavxwm yuav pom
- seb puas yuav tsum tau firmware programming
- Txawm hais tias cov kab hluav taws xob lossis cov kab hluav taws xob txuas ncaj qha mus rau PCBA
- qhov kev soj ntsuam thiab kev ua haujlwm zoo li cas yuav tsum tau ua
- seb qhov kev txiav txim rov qab yuav tsum ua raws li cov kev kho dua qub thiab cov cai ntawm kev xa khoom
"Industrial grade" tsis yog kev qhia tsim. Daim ntawv thov yuav tsum tau muab txhais ua cov kev cai sib dhos.
Tswj lub BOM ua ntej nws dhau los ua kev pheej hmoo ntau lawm
Rau kev tswj hwm kev lag luam, cov khoom siv khoom siv yog ib feem ntawm kev ntseeg tau.
BOM tsis yog ib daim ntawv yuav khoom xwb. Nws tswj xyuas seb tib lub rooj tsavxwm puas tuaj yeem tsim dua tshiab, sim tib txoj kev, thiab txhawb nqa tom qab yog tias qhov teeb meem tshwm sim.
Qhov no tseem ceeb vim tias cov tswj hwm kev lag luam feem ntau siv cov khoom uas tsis tuaj yeem hloov pauv tau yooj yim: cov khoom siv davhlau ya nyob twg, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom sib txuas ICs, cov chips kev sib txuas lus, cov khoom sib txuas, thiab cov neeg siv khoom - cov khoom tshwj xeeb.
Ib qho khoom siv hloov pauv tuaj yeem haum rau PCB hneev taw tab sis hloov pauv tus cwj pwm xaim.
Ib tug relay yuav phim lub pob tab sis coj txawv nyob rau hauv load.
Lub zog tivthaiv tej zaum yuav yog hluav taws xob ze tab sis tsis sib npaug thermally.
Ib qho kev sib txuas lus IC tuaj yeem dhau qhov kev kuaj xyuas yooj yim tab sis tseem xav tau firmware, layout, lossis validation saib xyuas.
Hauv cov neeg siv khoom siv nrog lub voj voog luv luv, kev tsim qauv yuav tshwm sim sai. Hauv cov cuab yeej tswj kev lag luam, lub rooj tsavxwm yuav xav tau rov ua dua, cov khoom seem, thiab kev pabcuam kev pabcuam rau xyoo.
Yog vim li cas BOM tswj yuav tsum txhais:
- tus naj npawb ntawm cov chaw tsim khoom
- pom zoo alternates
- cov khoom tseem ceeb
- ntev - lead lossis lifecycle- cov khoom pheej hmoo
- cov neeg siv khoom pom zoo cov cai rau kev hloov pauv
- tivthaiv traceability expectations
- firmware lossis configuration dependency qhov twg muaj feem xyuam
Kev txhim kho txhim khu kev qha tsis yog nyob ntawm kev hloov pauv ntsiag to.
Yog tias ib qho yuav tsum hloov pauv, tus neeg yuav khoom thiab EMS tus khub yuav tsum nkag siab seb qhov kev hloov pauv puas cuam tshuam rau kev sib dhos, kev sim, firmware, thermal cwj pwm, mechanical haum, lossis kev pabcuam hauv cheeb tsam.
Kho DFM thiab DFT raws li kev ntseeg tau ua haujlwm, tsis yog kev npaj tsim khoom nkaus xwb
Kev tsim qauv rau kev tsim khoom feem ntau raug kho raws li ib txoj hauv kev los txhim kho cov txiaj ntsig los yog txo qis kev ua haujlwm. Qhov ntawd yog qhov tseeb, tab sis rau kev lag luam tswj kev sib dhos, DFM kuj tiv thaiv kev ntseeg tau.
Lub rooj tsavxwm tuaj yeem ua hluav taws xob raug thiab tseem nyuaj rau kev sib sau, tshuaj xyuas, kuaj, lossis teeb tsa.
Cov ntsiab lus tshuaj xyuas feem ntau suav nrog:
pad geometry thiab solderability
qhov sib nrug
thermal nyem thiab siab - thaj chaw tam sim no
polarity thiab orientation clarity
connector tso
mechanical clearance
mounting qhov chaw
txheej khaws - tawm thaj chaw
nkag mus rau programming headers
nkag mus rau cov ntsiab lus xeem
Kev tsim qauv rau kev kuaj xyuas yog ib yam tseem ceeb.
Yog tias lub rooj tsavxwm xav tau ICT, kev sojntsuam ya, ciam teb scan, kev sim ua haujlwm, lossis kev sib tw-raws li kev lees paub, kev nkag mus kuaj yuav tsum raug txiav txim siab ua ntej PCB raug tsim. Cov ntsiab lus xeem, kev nkag mus rau cov khoom sib txuas, cov ntawv sau npe, thiab kev tshem tawm tsis tuaj yeem ib txwm muab ntxiv tom qab yam tsis muaj kev kho dua tshiab.
Qhov no yog ib qho kev sib txawv ntawm cov qauv ua haujlwm thiab kev txhim khu kev lag luam tswj kev sib koom ua ke.
Tus qauv nug: "Puas yog lub rooj tsavxwm ua haujlwm?"
Txoj kev npaj tsim khoom nug: "Peb puas tuaj yeem tsim nws, tshuaj xyuas nws, sim nws, thiab rov ua nws raws li kev tswj hwm?"
Plan Mixed Technology los ua ke Ua ntej ntau lawm pib
Ntau lub rooj tswj hwm kev lag luam tsis yog SMT boards.
Lawv feem ntau ua ke zoo -pitch ICs, passive Cheebtsam, relays, davhlau ya nyob twg blocks, fais fab connectors, transformers, fuses, headers, loj capacitors, optocouplers, thiab kev sib txuas lus ports ntawm tib PCBA.
Qhov ntawd txhais tau tias cov txheej txheem sib dhos tuaj yeem suav nrog:
- solder paste luam ntawv
- SMT qhov chaw
- reflow soldering
- los ntawm - qhov nkag
- xaiv soldering los yog yoj soldering
- phau ntawv ua haujlwm rau qhov tshwj xeeb
- connector alignment checks
- post-kev tshuaj xyuas
- ntxuav los yog txheej qhov twg teev
Cov txheej txheem txoj kev tseem ceeb vim hais tias txhua kauj ruam tuaj yeem qhia txog kev pheej hmoo ntawm kev ntseeg siab sib txawv.
Ib lub siab txuas yuav xav tau kev tswj kom zoo.
Ib tug hnyav relay yuav xav tau ceev faj solder thiab txhua yam tshuaj xyuas.
Ib lub davhlau ya nyob twg thaiv yuav raug hluav taws xob tab sis nyuaj rau xaim yog tias nws qaij.
Ib qho dhau los ntawm - qhov sib koom ua ke tuaj yeem pom tau los ntawm ib sab tab sis tseem yuav tsum tau ua kom zoo thiab tshuaj xyuas.
Rau kev txhim khu kev lag luam tswj lub rooj sib dhos, sib xyaw tshuab PCB sib dhos yuav tsum tau npaj ua ntej tsim khoom, tsis yog hloov kho los ntawm chav tsev thaum tsim.
Ib tus qauv tuaj yeem pab cawm tau los ntawm tus kws tshaj lij. Ib qho kev lag luam rov ua dua yuav tsum tsis txhob nyob ntawm qhov ntawd.
Ua Cov Txuas Txuas thiab Field-Khoom thaj chaw muaj kev ntseeg siab
Hauv kev tswj hwm kev lag luam, cov khoom sib txuas feem ntau yog qhov chaw uas lub rooj tsavxwm ntsib lub ntiaj teb tiag.
Terminal blocks, RJ45 ports, D-sub connectors, pin headers, pluggable connectors, cable harness interfaces, and power input connectors may fim installation force, cable move, field wire, vibration, or repeated service access.
Uas ua rau connector tuav ib qho ntawm cov kev xav tau kev ntseeg siab tshaj plaws.
Cov neeg yuav khoom thiab pab pawg EMS yuav tsum tau them sai sai rau:
- connector orientation
- solder sib koom ua tau zoo
- mechanical kev them nyiaj yug
- kev taw qhia kab hluav taws xob
- cable strain nyem
- clearance ib ncig ntawm connectors
- mating connector compatibility
- enclosure los yog vaj huam sib luag cuam tshuam
- daim ntawv lo visibility tom qab sib dhos
Qhov teeb meem yog tsis tshua muaj yog hais tias tus connector yuav soldered rau lub rooj tsavxwm.
Cov lus nug tiag tiag yog seb nws puas tuaj yeem raug soldered, tshuaj xyuas, xaim, teeb tsa, kev pabcuam, thiab rov ua dua yam tsis muaj kev ntxhov siab ntawm PCBA.
Rau kev lag luam tswj boards, connector kev cia siab yog feem ntau tsim kev cia siab rau hauv disguise.
Qhia meej IPC Class thiab Soldering Expectations kom meej
IPC cov qauv muab cov neeg yuav khoom thiab cov chaw tsim khoom sib koom ua lus rau kev sib dhos zoo.
IPC-A-610 feem ntau yog siv los txhais cov qauv kev lees paub rau cov khoom siv hluav taws xob ua tiav. J-STD-001 yog cov txheej txheem ntau dua, suav nrog cov ntaub ntawv soldering, cov txheej txheem, kev tswj cov txheej txheem, thiab cov ntaub ntawv pov thawj.
Hauv kev xyaum, ob qho tib si cov ntaub ntawv tuaj yeem muaj teeb meem. Ib tug pab txhais hais tias lub tiav los ua ke yuav tsum zoo li cas. Lwm pab txhais tau li cas cov txheej txheem soldering yuav tsum tau tswj.
Tab sis lawv tseem yuav tsum tau teev kom raug.
Tsis yog txhua pawg tswj hwm kev lag luam cia li xav tau IPC Chav Kawm 3. Qee lub rooj tsav xwm kev lag luam yuav tsim nyog rau Chav Kawm 2 lossis cov neeg siv khoom- tau hais tseg. Chav kawm 3 tej zaum yuav tsim nyog rau kev nyab xeeb- cuam tshuam, nyuaj- rau- kev pabcuam, lossis siab- daim ntawv thov kev ntseeg siab, tab sis nws yuav tsum tsis txhob xav tias yog vim li cas.
Lub ntsiab lus tseem ceeb yog qhov yooj yim: qib yuav tsum tau txais yuav tsum tau txhais ua ntej kev tsim khoom pib.
Daim ntawv xaj xaj tsuas yog hais tias "IPC ua raws" yuav tsis meej txaus. Cov neeg yuav khoom yuav tsum qhia cov chav kawm uas yuav tsum tau txais, txhua tus neeg siv khoom - cov txheej txheem tshwj xeeb, cov txheej txheem txheej txheem, kev cia siab rau kev huv, thiab kev txwv kev ua haujlwm dua yog qhov cuam tshuam.
Tus neeg muag khoom yuav tsum tsis txhob twv seb "kev sib dhos ntseeg tau" txhais tau li cas.
Match Inspection Scope to Actual Assembly Risk
Kev tshuaj xyuas yuav tsum ua raws li kev pheej hmoo, tsis yog cwj pwm.
Kev tshuaj xyuas qhov muag tsis pom zoo yog qhov muaj txiaj ntsig zoo rau kev tso kawm, polarity, cov khoom uas ploj lawm, qhov tsis xws luag, thiab pom qhov chaw -mount tej yam kev mob. X- kev tshuaj xyuas kab hluav taws xob yuav muaj txiaj ntsig zoo rau cov pob qij txha zais xws li BGA, QFN, LGA, lossis qee yam hauv qab - cov pob uas tau txiav tawm. Kev tshuaj xyuas qhov muag tseem tseem ceeb rau kev dhau los ntawm - qhov sib koom ua ke, cov khoom sib txuas, txheej, cov ntawv lo, cov khoom siv kho tshuab, thiab cov xwm txheej tshwj xeeb.
Ib txoj kev kuaj xyuas txhim khu kev qha yuav tsum xav txog:
hom pob khoom
solder sib koom visibility
connector thiab terminal thaiv kev pheej hmoo
los ntawm - qhov zoo soldering
polarity-cov khoom siv rhiab heev
siab - tam sim no lossis lub zog muaj zog
tus neeg siv khoom- cov qauv kev ua haujlwm tshwj xeeb
seb puas yuav rov ua keeb kwm yav dhau los yuav tsum tau sau tseg
Ib qho yooj yim industrial interface board yuav tsis xav tau txhua txoj kev tshuaj xyuas muaj. Ib lub rooj tsavxwm uas muaj cov pob qij txha zais, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov chaw nres nkoj sib txuas lus yuav xav tau ib txoj kev tshuaj xyuas zoo dua.
Kev tshuaj xyuas ntxiv tsis yog ib txwm teb. Qhov kev tshuaj ntsuam xyuas yuav tsum ua raws li qhov tsis xws luag.
Kev xeem ua haujlwm yuav tsum ua pov thawj ntawm Pawg Thawj Coj txoj haujlwm
Lub hwj chim- ntawm kev xeem tsis zoo ib yam li kev ua haujlwm tau zoo.
Kev tswj hwm kev lag luam feem ntau yuav tsum tau ua cov haujlwm tshwj xeeb: nyeem cov tswv yim, hloov cov relays, tsav tawm, sib txuas lus nrog tus tswv tsev, thauj khoom firmware, teb rau cov sensors, lossis ua haujlwm nrog kev tswj hwm.
Ib lub tswv yimKev kuaj thiab tshuaj xyuastxoj kev npaj yuav tsum txhais:
- dab tsi ua haujlwm yuav tsum tau ua pov thawj
- dab tsi fixture los yog cable yuav tsum tau
- seb puas xav tau firmware programming
- dab tsi teeb liab los yog load mob yuav tsum tau simulated
- dab tsi tshwm sim suav tias dhau los yog poob
- seb cov ntaub ntawv xeem yuav tsum raug kaw
- yuav ua li cas tom qab rework
- seb puas yuav tsum tau rov kuaj dua
Qhov kev xeem yuav tsum tau rov ua dua los ntawm cov neeg ua haujlwm tsim khoom, tsis yog los ntawm tus tsim engineers uas nkag siab lub rooj tsavxwm los ntawm kev nco.
Qhov ntawd yog qhov sib txawv ntawm cov qauv ua haujlwm thiab cov txheej txheem kev tswj hwm kev lag luam txhim khu kev qha.
Rau qee lub rooj tsavxwm, kev pom zoo hluav taws xob yooj yim txaus. Rau lwm tus, kev sim ua haujlwm, ICT, fixture -raws li validation, firmware programming, thiab kev sib txuas lus yuav tsum tau kuaj xyuas. Qhov tseeb yog nyob ntawm lub rooj tsavxwm txoj haujlwm thiab kev pheej hmoo.
Txhais cov txheej txheem, ntxuav, thiab kev tiv thaiv qhov yuav tsum tau muaj nyob qhov twg ib puag ncig xav tau lawv
Tsis yog txhua pawg tswj hwm kev lag luam xav tau txheej txheej.
Tab sis yog tias lub rooj tsavxwm yuav ntsib cov av noo, condensation, plua plav, tshuaj vapor, sab nraum zoov raug, lossis lwm yam kev pheej hmoo ntawm kev sib kis, txheej yuav tsum tau tham ua ntej sib dhos. Txheej tsis yog tsuas yog xaiv cov khoom siv. Nws cuam tshuam rau daim npog qhov ncauj, qhov chaw txuas, cov ntsiab lus kuaj, rov ua haujlwm, tshuaj xyuas, thiab qee zaum qhov kev txiav txim ntawm cov txheej txheem tsim khoom.
Cov neeg yuav khoom yuav tsum qhia meej:
- seb puas yuav tsum tau txheej
- thaj chaw twg yuav tsum tsis txhob coated
- Txawm hais tias cov khoom sib txuas, cov keyboards, cov ntawv xeem, lossis cov programming headers xav tau daim npog qhov ncauj
- seb puas yuav tsum tau ntxuav ua ntej txheej
- seb lub txheej xav tau kev tshuaj xyuas qhov muag lossis kev tswj xyuas tuab
- yuav ua li cas rework thiab retesting yuav tsum tau ua tom qab txheej
Underfill, staking, los yog ntxiv mechanical reinforcement kuj tseem yuav raug txiav txim siab rau cov khoom xaiv, tshwj xeeb tshaj yog thaum vibration, pob loj, lossis kev ntxhov siab ua rau nws cuam tshuam.
Kev tiv thaiv kev tiv thaiv zoo tshaj plaws thaum lawv tau npaj ntxov.
Yog tias lawv ntxiv tom qab lub rooj tsavxwm tau sib sau ua ke, lawv tuaj yeem cuam tshuam nrog kev sim, kev nkag mus rau cov khoom sib txuas, cov ntawv lo, lossis kev pabcuam.
Kho Thawj Tshooj Kev Tshuaj Xyuas raws li Lub Rooj Muag Khoom
Thawj tsab xov xwm tshuaj xyuas yuav tsum tsis txhob raug kho raws li cov ntaub ntawv tom qab tsim.
Rau kev lag luam tswj lub rooj sib txoos, thawj tsab xov xwm tshuaj xyuas pab kom paub meej tias thawj cov khoom tsim tau zoo sib xws rau cov ntaub ntawv uas yuav tsum tau ua ua ntej qhov seem ntawm cov khoom ua tiav.
Kev tshuaj xyuas thawj kab lus tseem ceeb yuav suav nrog:
- kev txheeb xyuas qhov chaw tso kawm
- solder sib koom soj ntsuam raws li qhov kev lees paub hauv chav kawm
- connector alignment xyuas
- X-ray duab uas muab cov pob qij txha zais
- txheej txheem parameter cov ntaub ntawv uas yuav tsum tau
- firmware programming paub meej
- functional test result
- daim ntawv lo thiab traceability format check
- mechanical lossis fixture -txog kev soj ntsuam
Lub hauv paus ntsiab lus yog yooj yim.
Thawj tsab xov xwm tshuaj xyuas yuav tsum teb seb lub batch puas tuaj yeem txuas ntxiv raws li qhov kev xav.
Yog tias kev tsim khoom txuas ntxiv thaum thawj nqe lus nug tseem tsis tau daws, tus nqi ntawm FAI tsis muaj zog.
Npaj Traceability Ua ntej Thawj Batch Ships
Traceability yooj yim tsis quav ntsej thaum txhua yam ua haujlwm.
Nws dhau los ua qhov tseem ceeb thaum qhov teeb meem tshwm sim, cov khoom hloov pauv, lub firmware version tau hloov kho, lossis rov hais dua yuav tsum ua kom haum rau kev tsim yav dhau los.
Rau kev txhim khu kev lag luam tswj pawg tswj hwm kev sib dhos, traceability yuav suav nrog:
- Kev hloov kho PCB
- BOM kho
- pom zoo lwm cov ntaub ntawv
- feem ntau cov ntaub ntawv nyob qhov twg yuav tsum tau
- serial tooj los yog batch label
- firmware version
- xeem tau
- cov ntaub ntawv tshuaj xyuas
- rework thiab retest keeb kwm
- ntim los yog xa khoom batch
Txoj cai theem ntawm traceability nyob ntawm daim ntawv thov. Ib qho yooj yim sab hauv module yuav xav tau cov ntaub ntawv sib zog. Ib daim teb -ntsuas cov maub los lossis kev sib txuas lus hauv kev lag luam tej zaum yuav xav tau cov ntaub ntawv qhia ntau dua.
Qhov yuam kev yog tsis xaiv ib qho yooj yim traceability pob.
Qhov yuam kev yog tawm hauv traceability undefined.
Yog tias tus neeg yuav khoom xav tau kev tsim khoom rov ua dua tshiab, cov ntaub ntawv tsim yuav tsum ua rau cov lus nug yav tom ntej yooj yim los teb, tsis nyuaj dua.
Kos Mechanical thiab Box -Ua Kom Npaj Ua Ntej
Ib pawg tswj hwm kev lag luam tsis tshua nyob ib leeg.
Tej zaum nws yuav raug ntsia rau hauv lub txee tswj, hlau enclosure, DIN -rail module, industrial computer, rooj vag, tshuab vaj huam sib luag, los yog ua tiav system. Qhov ntawd txhais tau hais tias cov ntsiab lus ntawm kev siv tshuab tuaj yeem cuam tshuam txog kev ntseeg tau ntawm kev sib dhos.
Ua ntej kev tsim khoom, cov neeg yuav khoom yuav tsum tshuaj xyuas:
- mounting qhov
- connector kev taw qhia
- kab tawm txoj kev
- enclosure clearance
- cua sov- tsim cov khoom
- daim ntawv lo txoj hauj lwm
- xeem point access
- grounding lossis chassis tiv tauj
- txheej khaws - tawm thaj chaw
- siv routing
PCBA tuaj yeem dhau qhov ntsuas hluav taws xob thiab tseem tsim teeb meem kev koom ua ke tom qab.
Piv txwv li, ib qho txuas yuav raug thaiv los ntawm lub tsev. Ib daim ntawv lo yuav muab zais tom qab kev teeb tsa. Ib lub cable tuaj yeem rub tawm ntawm qhov txuas txuas. Ib qho kev xeem yuav ua tsis tau tom qab lub rooj tsavxwm raug teeb tsa.
Tias yog vim li cas lub thawv tsim kev npaj yuav tsum tau txiav txim siab ntxov, txawm tias thawj qhov kev txiav txim tsuas yog rau pawg thawj coj- theem sib dhos.
Pawg thawj coj- theem kev vam meej tsis yog ib txwm txhais tau tias cov kab ke- qib kev npaj txhij.
Dab tsi Yuav Tsum Sau rau hauv RFQ lossis Kev Yuav Khoom?
Cov kev xav tau kev ntseeg siab tshaj plaws yog cov uas pom tau ua ntej kev tsim khoom pib.
Kev siv RFQ, kev yuav khoom, lossis daim ntawv cog lus zoo yuav txhais tau tias:
|
Qhov Xav Tau |
Yuav ua li cas kom meej |
|---|---|
|
Kev siv lub luag haujlwm |
Lub rooj tsavxwm ua li cas thiab qhov twg nws yuav ua haujlwm |
|
Kev lees txais tus qauv |
IPC chav kawm lossis cov qauv kev ua haujlwm ntawm cov neeg siv khoom |
|
txheej txheem soldering |
J-STD-001 kev cia siab yog qhov xav tau |
|
BOM tswj |
MPNs, pom zoo hloov pauv, hloov cov cai |
|
Cov ntaub ntawv sau tseg |
Siab -Tg FR-4, hnyav tooj liab, txheej, ntxuav, los yog tshwj xeeb fabrication sau ntawv qhov xav tau |
|
Txoj kev sib dhos |
SMT, los ntawm - qhov, xaiv soldering, yoj soldering, tshwj xeeb tuav |
|
Connector kev ntseeg tau |
Orientation, lim, clearance, teb thaiv, mating qhov chaw |
|
Kev tshuaj xyuas |
AOI, kuaj pom, X-ray qhov xav tau, kuaj tshwj xeeb |
|
Kev sim ua haujlwm |
Firmware, fixture, I/O, relay, kev sib txuas lus, pass/fail qauv |
|
Traceability |
Revision, serial tooj, xeem ntawv, batch record |
|
Kev npaj ua ke |
Enclosure, harness, label, grounding, test access |
|
Cov ntaub ntawv |
Kev sib sau ua ke, kev qhia xeem, cov txheej txheem sau ntawv, cov cai ntim khoom |
Daim ntawv txheeb xyuas no tsis ua rau txhua qhov project hnyav dua.
Nws pab cov neeg yuav khoom sib dhos cov kev cai sib dhos rau lub rooj tsavxwm qhov kev pheej hmoo tiag tiag.
Kev Lag Luam Teeb Pom Kev: Kev ntseeg tau dhau los ua qhov system-Kev cia siab rau qib
Cov cuab yeej tswj kev lag luam tau dhau los ua kev sib txuas ntau dua, ntau dua software- tau txhais, thiab sib xyaw ua ke rau hauv cov tshuab hluav taws xob loj dua.
Qhov ntawd tsis tau txhais hais tias txhua pawg tswj hwm kev lag luam xav tau tib yam kev lees paub pob. Nws txhais tau hais tias cov neeg yuav khoom tau them nyiaj ntau dua los tsim kev rov ua dua, kev tswj xyuas firmware, traceability, kev ruaj khov, thiab khoom siv- qib kev ntseeg tau.
Rau EMS kev ua haujlwm, qhov kev coj ua zoo yog qhov yooj yim:
Txhim khu kev sib dhos tsis yog tsuas yog hais txog cov pob qij txha. Nws yog hais txog seb lub rooj tsavxwm tuaj yeem muab tau los, sib sau ua ke, sim, sau ntawv, sib xyaw ua ke, thiab rov ua dua raws li kev tswj hwm.
Qhov ntawd yog tus qauv ntau OEMs muaj kev cia siab los ntawm lawv cov koom tes tsim khoom.
Qhov twg STHL haum rau hauv qhov kev sib tham no
Rau cov neeg yuav khoom OEM npaj muaj kev tswj hwm pawg thawj coj saib xyuas, Shenzhen STHL Technology Co., Ltd. tuaj yeem tshuaj xyuas cov cai ntawm aPCB Assemblykev pom thiab pab txheeb xyuas qhov kev sib dhos, kev tsim khoom, kev sim, traceability, thiab kev sib koom ua ke yuav tsum tau qhia meej ua ntej kev tsim khoom.
Nyob ntawm qhov project, qhov no yuav suav nrog kev tshuaj xyuas cov khoom siv, SMT thiab dhau los ntawm - qhov kev npaj sib dhos, kev tuav cov khoom sib txuas, kev npaj tshuaj ntsuam xyuas, kev npaj ua haujlwm, lossis lub thawv- txhim kho kev npaj.
Lub hom phiaj tsis yog kom dhau txhua qhov kev tswj hwm kev lag luam.
Ib tug yooj yim board yuav tsum nyob twj ywm yooj yim.
Lub siab - pawg thawj coj saib kev pheej hmoo yuav tsum tsis nyob hauv qab - qhia.
Txoj kev npaj sib dhos txoj cai yog nyob ntawm lub rooj tsav xwm kev ua haujlwm, ib puag ncig, cov ntaub ntawv xav tau, kev sim, thiab qhov cuam tshuam tsis zoo.
Xaus
Txhim khu kev lag luam tswj lub rooj sib dhos tsis yog tsim los ntawm ib qho kev soj ntsuam zaum kawg.
Nws los ntawm kev tswj tag nrho cov saw hlau: cov khoom siv khoom siv, DFM / DFT tshuaj xyuas, kev sib dhos, kev sib txuas, kev sib txuas, kev ua haujlwm zoo, IPC kev cia siab, kev tshuaj ntsuam xyuas, kev sim ua haujlwm, txheej lossis kev tiv thaiv qhov xav tau, traceability, cov ntaub ntawv, thiab kev npaj ua ke.
Rau cov neeg yuav khoom OEM, cov lus qhia ua kom pom tseeb: txhais cov kev xav tau ntawm kev ntseeg siab ua ntej pib tsim khoom, tsis yog tom qab thawj pawg qhia qhov khoob.
Xav tau ib qho kev tswj xyuas kev lag luam los yog PCB Assembly quotation? Xa koj cov ntaub ntawv los ntawmThov ib daim Quotelos yog hu rau STHL ncaj qha ntawminfo@pcba-china.com
