5 tseem ceeb PCB vaj huam sib luag tsim tswv yim rau PCB los ua ke

Hauv cov txheej txheem ntawm kev sib dhos PCB, peb yuav xav tau cov tshuab SMT los muab cov khoom sib xyaw rau ntawm PCB.Tab sis txij li txhua tus PCB qhov loj me, cov duab lossis cov khoom sib txawv, txhawm rau hloov kho kom zoo dua rau SMT cov txheej txheem sib dhos, txhim kho kev ua haujlwm thiab txo cov nqi sib dhos.Yog vim li casPCB los ua ke manufacturersyuav tsum standardize lub panelization ntawm PCB.PCBFuture muab koj 5 guildlines rau koj lub PCB panelization kom zoo dua PCB los ua ke.

Tswv yim 1: Qhov loj ntawm PCB

Nqe lus piav qhia: Qhov loj ntawm PCB yog txwv los ntawm lub peev xwm ntawm cov khoom siv hluav taws xob ua khoom siv hluav taws xob.Yog li ntawd, qhov luaj li cas ntawm PCB yuav tsum tau txiav txim siab thaum peb tab tom tsim cov khoom daws teeb meem.

(1) Qhov siab tshaj plaws PCB loj uas tuaj yeem ntsia tau rau ntawm SMT PCB cov khoom siv sib dhos yog nyob ntawm tus qauv loj ntawm PCB, feem ntau ntawm qhov loj yog 20 "× 24", uas yog txoj kab dav dav yog 508mm × 610mm.

(2) Qhov loj me uas peb pom zoo yog qhov sib npaug ntawm cov khoom siv ntawm SMT PCB board kab.Nws muaj txiaj ntsig zoo rau kev tsim khoom ntawm txhua yam khoom siv thiab tshem tawm cov fwj ntawm cov khoom siv.

(3) Rau cov PCBs me me, peb yuav tsum tau tsim los ua pawg thawj coj los txhim kho kev tsim khoom ntawm tag nrho cov kab ntau lawm.

Cov qauv tsim:

(1) Feem ntau, qhov siab tshaj plaws ntawm PCB yuav tsum raug txwv rau qhov ntau ntawm 460mm × 610mm.

(2) Qhov loj me uas pom zoo yog (200 ~ 250) × (250 ~ 350) mm, thiab qhov sib piv yuav tsum tsawg dua 2.

(3) Rau PCBs nrog qhov loj me dua 125mm × 125mm, PCB yuav tsum tau spliced ​​rau qhov loj me.

Tswv yim 2: Cov duab ntawm PCB

Nqe lus piav qhia: SMT cov khoom siv sib dhos siv cov kev taw qhia kev hloov pauv PCBs, thiab tsis tuaj yeem hloov pauv tsis zoo li PCBs, tshwj xeeb tshaj yog PCBs nrog qhov khoob ntawm cov ces kaum.

Cov qauv tsim:

(1) Cov duab ntawm PCB yuav tsum yog ib lub xwmfab tsis tu ncua nrog cov ces kaum sib npaug.

(2) Txhawm rau kom muaj kev ruaj ntseg ntawm cov txheej txheem sib kis, qhov tsis sib xws ntawm PCB yuav tsum raug txiav txim siab hloov mus rau hauv cov qauv square los ntawm splicing, tshwj xeeb tshaj yog lub kaum qhov khoob yuav tsum tau sau kom tsis txhob yoj soldering raug clamp los ntawm lub puab tsaig. thiab tom qab ntawd ua rau lub rooj tsavxwm raug kaw thaum lub sijhawm hloov chaw.

(3) Lub Rooj Tswjhwm Saib Pure SMT tau tso cai kom muaj qhov sib txawv, tab sis qhov sib txawv yuav tsum tsawg dua li ib feem peb ntawm qhov ntev ntawm sab uas nws nyob.Rau cov neeg uas tsis ua raws li qhov yuav tsum tau ua, peb yuav tsum ua kom ntev ntawm cov txheej txheem tsim.

(4) Ntxiv rau qhov tsim chamfering ntawm tus ntiv tes golden, cov npoo ntawm ob sab ntawm cov ntxig yuav tsum tau chamfered (1 ~ 1.5) × 45 ° los pab txhawb kev ntxig.

Tswv yim 3: Cov lus qhia PCB (PCB ciam teb)

Nqe lus piav qhia: Qhov loj ntawm PCB boarders ntawm qhov yuav tsum tau ua ntawm cov khoom siv thauj khoom.Xws li: luam ntawv xovxwm, tso tshuab thiab reflow soldering furnaces.Lawv feem ntau yuav tsum tau xa cov ntug (Border) saum 3.5mm.

Cov qauv tsim:

(1) Yuav kom txo tau qhov deformation ntawm PCB thaum lub sij hawm soldering, qhov ntev sab kev taw qhia ntawm lub PCB uas tsis yog-tsim yog feem ntau siv raws li cov kev taw qhia kis tau tus mob.Thiab cov splice PCB, qhov ntev sab kev taw qhia kuj yuav tsum tau siv raws li cov kev taw qhia kis tau tus mob.

(2) Feem ntau, ob sab ntawm PCB los yog splice PCB kis tau tus mob kev taw qhia yog siv raws li cov kis tau tus mob (PCB ciam teb).Qhov tsawg kawg nkaus dav ntawm PCB ciam teb yog 5.0mm.Yuav tsum tsis muaj cov khoom sib txuas lossis cov pob qij txha nyob rau pem hauv ntej thiab sab nraub qaum.

(3) Rau sab tsis kis tau tus mob, tsis muaj kev txwv nyob rau hauv lubSMT PCB sib dhoscov cuab yeej siv, tab sis nws yog qhov zoo dua los khaws 2.5mm tiv thaiv cheeb tsam.

Tswv yim 4: Positioning qhov

Nqe lus piav qhia: Ntau cov txheej txheem xws li kev tsim khoom PCB, PCB los ua ke, thiab kev sim xav tau qhov tseeb ntawm PCB.Yog li ntawd, nws yog feem ntau yuav tsum tau tsim qhov positioning qhov.

Cov qauv tsim:

(1) Rau txhua lub PCB, tsawg kawg yog ob qhov chaw yuav tsum tau tsim, ib qho yog ncig thiab lwm qhov yog qhov ntev zawj, qhov qub yog siv rau qhov chaw thiab tom kawg yog siv rau kev taw qhia.

Tsis muaj qhov tshwj xeeb uas yuav tsum tau ua rau qhov chaw aperture, nws tuaj yeem tsim tau raws li qhov tshwj xeeb ntawm koj lub Hoobkas.Qhov pom zoo txoj kab uas hla yog 2.4mm thiab 3.0mm.

Qhov chaw qhov yuav tsum tsis yog metallized.Yog hais tias lub PCB yog ib tug blanking PCB, lub qhov phaj yuav tsum tau tsim los rau positioning qhov los txhim khu rigidity.

Qhov ntev ntawm cov lus qhia qhov feem ntau yog 2 npaug ntawm txoj kab uas hla.

Qhov chaw nruab nrab ntawm qhov chaw yuav tsum yog ntau tshaj 5.0 hli ntawm qhov sib kis, thiab ob qhov chaw yuav tsum nyob deb li deb tau.Nws raug nquahu kom nteg lawv ntawm kab pheeb ces kaum ntawm PCB.

(2) Rau kev sib xyaw PCB (PCBA nrog plug-ins ntsia), qhov chaw ntawm qhov chaw yuav tsum zoo ib yam.Nyob rau hauv txoj kev no, kev tsim cov cuab yeej tuaj yeem ua tiav qhov kev siv ntawm ob sab.Piv txwv li, cov ntsia hlau hauv qab bracket kuj tseem siv tau rau lub tais ntsaws.

Lub tswv yim 5: Muab tus neeg saib xyuas

Nqe lus piav qhia: Niaj hnub nimno mounter, tshuab luam ntawv, AOI thiab SPI txhua tus txais yuav qhov chaw kho qhov muag.Yog li ntawd, optical positioning fiducial yuav tsum tau tsim los ntawm PCB board.

Cov qauv tsim:

Positioning fiducial muab faib ua lub ntiaj teb fiducial thiab hauv zos fiducial.Lub qub yog siv rau tag nrho cov board positioning, thiab tom kawg yog siv rau qhov chaw ntawm patchwork ntxhais board los yog nplua qhov sib nrug.

(2) Lub optical positioning fiducial tuaj yeem tsim raws li square, pob zeb diamond lub voj voog, hla thiab zoo nrog qhov siab ntawm 2.0 hli.Feem ntau, nws raug pom zoo kom tsim 1.0m round tooj liab txhais daim duab.Nws yog xav txog qhov sib txawv ntawm cov khoom siv xim thiab ib puag ncig, qhov tsis kam vuam cheeb tsam 1 hli loj dua qhov chaw kho qhov muag yuav tsum tau tshwj tseg.Nws yog tsis muaj cim raug tso cai nyob rau hauv cheeb tsam.Txawm hais tias muaj cov ntawv ci tooj liab nyob rau hauv txheej txheej hauv qab peb lub cim ntawm tib lub rooj tsavxwm yuav tsum zoo ib yam.

(3) Ntawm PCB nto nrog SMD Cheebtsam, nws raug nquahu kom nteg peb qhov chaw kho qhov muag ntawm lub kaum sab xis ntawm lub rooj tsavxwm, txhawm rau tso lub PCB stereoscopically (peb lub ntsiab lus txiav txim siab lub dav hlau, uas tuaj yeem kuaj xyuas qhov tuab ntawm solder paste) .

(4) Ntxiv rau peb qhov chaw kho qhov muag fiducial rau tag nrho cov phaj, nws yog qhov zoo dua los tsim ob lossis peb qhov chaw kho qhov muag fiducial ntawm cov ces kaum ntawm txhua chav tsev phaj.

(5) Rau QFP nrog qhov chaw nruab nrab ntawm qhov nruab nrab tsawg dua lossis sib npaug li 0.5 hli thiab BGA nrog qhov nruab nrab ntawm qhov nruab nrab tsawg dua lossis sib npaug li 0.8 hli, qhov chaw kho qhov muag hauv zos yuav tsum tau teeb tsa ntawm cov ces kaum sab nraud kom raug qhov chaw.

(6) Yog hais tias muaj mounting Cheebtsam ntawm ob sab, yuav tsum muaj optical positioning fiducial ntawm txhua sab.

(7) Yog tias tsis muaj qhov chaw tso rau ntawm PCB, qhov chaw nruab nrab ntawm qhov chaw kho qhov muag yuav tsum yog ntau tshaj 6.5 hli ntawm qhov sib kis ntawm lub rooj tsavxwm.Yog tias muaj qhov chaw tso rau ntawm PCB, qhov chaw nruab nrab ntawm qhov chaw kho qhov muag yuav tsum tau tsim nyob rau sab ntawm qhov chaw nyob ze ntawm qhov chaw ntawm PCB pawg thawj coj saib.

PCBFuture tuaj yeem muab nrogTurnkey PCB sib dhoskev pabcuam uas suav nrog PCB Fabrication, PCB pejxeem, Cheebtsam nrhiav thiab kuaj.Peb cov kws tshaj lij yuav pab peb cov neeg siv khoom los tsim cov boards ua ntej PCB ntau lawm, thiab tom qab ntawd tom qab kev xeem tiav, peb yuav pab txhawm rau txhawm rau txhua daim thiab xa mus rau peb cov neeg siv khoom.Yog tias koj muaj lus nug txog kev tsim PCB, thov koj xav tiv tauj peb.Peb tuaj yeem muab kev pabcuam dawb rau koj.

Yog xav paub ntxiv, thov xa email rauservice@pcbfuture.com .