DFM Inotarisa Kuvandudza PCB Dhizaini uye Kuderedza Kukanganisa Kwekugadzira

Kudzivisa mari yepamusoro yePCB dzakagadzirwa inyaya huru, uye zvinonzwisisika kuti ndizvo zvazviri. Mutengo wekugadzira maPCB unosanganisira zvinhu zvakasiyana-siyana. Kunze kwemari isingachinjiki senge logistics, vashandi, uye zvishandiso, kuchinja-chinja kunonyanya kukonzerwa nezvinhu zvakaita sehukuru hwebhodhi, kusarudzwa kwezvinhu, uye tekinoroji yekushanda. Izvi zvinoenderana nesarudzo dzinoitwa nemainjiniya panguva yekugadzira.

Kuti ive nechokwadi chekugadzirwa kusina musono kwedhizaini yedhizaini, kuderedza mari yekugadzira, kusimudzira kushanda zvakanaka kwekugadzira, uye kuchengetedza mhando yechigadzirwa chekupedzisira, iyo pfungwa yeDesign for Manufacturability (DFM) yakabuda sesimba rakakosha muPCB domain. Mugwaro rino rakazara, tichaongorora zvakadzama muchidzidzo ichi, tichikushongedza kuti uwedzere pundutso yepurojekiti. Ngatitangei.

Chii chinonzi Design for Manufacturing (DFM)?

Dhizaini Yekugadzira (DFM) ndeye kuita chokwadi chekuti magadzirirwo ePCB ako akatsetseka uye anodhura zvakanyanya sezvinobvira. Chinangwa chikuru pano ndechekukwidziridza zviyero, zvishandiso, kushivirira, uye kushanda nekushandisa nzira dzekugadzira dzakanyanya dziripo. Iyi nzira inofanira kutanga kare, kunyange kusati kwatanga kudhirowa. Kuenzanisa dhizaini yePCB yekugadzira neiyo yekutanga pfungwa yechishandiso kwakakosha, nekutarisa kwekutanga kunzwisisa kuti mutengi achaishandisa sei. Kudyara yakakosha nguva uye kushanda nesimba mukugadzira yakasimba DFM maitiro kunopa mabhenefiti akawanda gare gare muchikamu chekugadzira.

Optimizing Component Costs

Mari yechikamu ibasa rakakura mune chero chirongwa chebhodhi redunhu. Kudyidzana nekambani yePCBA senge Highleap Electronic, ine timu yeinjiniya yemukati, inobvumira nzira dzeDMFA (Design for Manufacturing and Assembly). Izvi zvinobatsira kuona zvakanakisa zvechimwe chikamu nzira, kurerutsa dhizaini nekugadzira, uye kuchengetedza chikamu chekutenga mari mukutarisa.

Dhizaina Dhizaina

Kubatana nevagadziri, kusanganisira vakadhindwa vanogadzira bhodhi vanogadzira uye vatengesi vekesi, kana kutsvaga zano kubva kune vanogadzira maindasitiri kunogona kubatsira zvakanyanya. Kuramba uchibvunza mibvunzo senge "Izvi zvinogona kuvandudzwa here?" uye kukurukura kuti vagadziri vako vemagetsi kana PCB vakagadzirisa sei nyaya dzakafanana munguva yakapfuura zvinogona kupa ruzivo rwakakosha. Paunenge uchitanga maitiro eDFM, edza kufungidzira zvingangonetsa, gadzira kutevedzana kwedhizaini, tsanangura zvipingamupinyi zvinogona kuitika padanho rega rega, uye wozotarisa zvigadzirwa zvakafanana. Ongorora kuti nyaya dzakafanana dzakagadziriswa sei uye edza kushandisa mhinduro idzodzo.

Kukurudzira Kudyidzana

DFM haisi yekugadzira chete; ndezvekukurudzira kubatana pakati pevagadziri nevatengi. Izvi zvinoreva kutsanangura mabasa emativi ese ekugadzirisa nekugadzirisa nyaya dzine chekuita nekugadzira, kudzivirira kugadzirwa kwebhodhi kwakakanganisika uye kuderedza kusawirirana. Kubatanidza vese vane chekuita — mainjiniya emagetsi, vagadziri vePCB, vagadziri vemaindasitiri, vagadziri vePCBA, vanogadzira mold, uye vatengesi vezvinhu — mukuita kweDFM kwakakosha. Iyi nzira ye-cross-functional inovimbisa kuti dhizaini yakasikwa pasina kuunza mari isingakoshi. Kushandira pamwe mumadhipatimendi kunovimbisa kuzivikanwa nenguva uye kugadziriswa kwezvinokanganisa zvisati zvave nyaya hombe.

Mutengo-Kubudirira

Kuedza kuongorora PCB DFM nekukurumidza kunoderedza zvakanyanya mari inobatanidzwa nekuchinja kwemagadzirirwo gare gare mukugadzirwa kwechigadzirwa. Sezvo dhizaini ichichinja, kuita shanduko kunowedzera kudhura uye kunetsa nekuda kwekuoma kwadzo kuri kuwedzera. DFM inobatsira mainjiniya kuona zvinhu zvinosvika pakuenzanisa pakati pekushanda zvakanaka uye kushanda zvakanaka kwemari, zvichidzivirira mari isingakoshi. Chimwe chezvinhu zvikuru zveDFM kubatanidza magadzirirwo anowedzera kushandiswa kwezvinhu zvisina kugadzirwa ukuwo zvichivandudza runako rwechigadzirwa. Chinokosha ndechekuti DFM inobatsira mukuvandudza maitiro ekugadzira , zvichibvumira kuongororwazve kwemapurojekiti apfuura uye kubviswa kwematanho asina kukodzera munzira yekugadzira.

Kudzorera Dhizaini

Paunenge uchigadzira chigadzirwa chitsva, kubatanidza vanobatana mukugadzira chigadzirwa kubva pakutanga kuri nyore. Nekudaro, kunyangwe kana uchigadzira vhezheni nyowani yechigadzirwa chiripo, yakazara PCB dhizaini yekugadzira cheki cheki inosara yakakosha. Kukanganisa kwedhizaini kunowanzoitika kana uchidzokorora dhizaini yapfuura, saka ongorora uye bvunza chikamu chega chega chedhizaini yako panguva yeDFM maitiro.

PCB Dhizaini Yekugadzira Cheki Cheki

Kushandisa Cycle

Kunyatsoongorora kuti vashandisi vachabatana sei nechigadzirwa kwakakosha. Izvi zvinosanganisira kuronga kwakanyatsojeka kwemaitiro ekubatanidza PCB kuti uve nechokwadi chekuti matanho ekubatanidza anoshanda zvakanaka uye mashandisirwo akanaka ezvishandiso. Kusarudza nzira yakakodzera yekusonesa (senge tekinoroji yekusonesa pamusoro kana kusonera maburi), kusarudza nzvimbo yakakodzera yekuisa zvikamu, kugadzirisa nzira yekubatanidza, uye kuona kuti kumhanya kwekubatanidza uye mhando zvese zvinhu zvakakosha. Kuisa michina inoshanda otomatiki kunogona kuwedzera kumhanya kwekubatanidza, uye kugadzirisa marongerwo ehurongwa kunogona kuderedza zvikanganiso zvekubatanidza.

Paunenge uchivaka prototypes, hapana chikonzero chekushandisa zvinhu zvine aerospace-level zvinodiwa kana kusarudza kugadzirwa nepamusoro certification yezvakatipoteredza. Saizvozvo, maumbirwo akaomarara ebhodhi haadiwe kana iwe uchigadzira zvidiki. Kunze kwekunge dhizaini ichizvida pachena, sezvo zvinosanganisira kugadzira maturusi uye inofa yekugadzira yakaderera-vhoriyamu zvikamu, izvo zvinowedzera mutengo wePCB prototyping.

Izvo zvakakosha kuti utarise zvinhu zvakaita sehuwandu hwezvikamu zvichagadzirwa, kusarudzwa kwezvinhu, zvinodiwa zvinopera, kushivirira, uye kudiwa kwechipiri maitiro.

patani

Chikamu chekugadzira chinoumba musimboti wepfungwa dzechigadzirwa, chinoda kutariswa kwemamiriro ese anodiwa. Chikamu ichi chinosanganisira dhizaini yemagetsi , dhizaini yePCB , kuiswa kwezvinobatanidza, uye kushanda pamwe chete nevagadziri vemaindasitiri kuti vagadzire zviratidzo, mabhatani ekudzora, zvinobatanidza, uye tambo dzakabatana nebhodhi remagetsi rakadhindwa. Zvikamu hazvifanirwe kunge zvakakura zvakanyanya muhukuru kana kugona kwemagetsi. Kusarudzwa kwezvikamu kwakakodzera kunofanirwa kutevedzera mwero wekugadzira kwemagetsi nekusarudza zvikamu zvinokwanisa kutsungirira kanenge kaviri kugona kwazvichashandiswa.

Matumbo anofanirwa kunge akakurisa zvakafanira kuti akwanise kubata zvinotarisirwa kurema. Signal tracks inofanirwa kuve compact kudzivirira zvisina basa nzvimbo yekushandisa. Chaiyo dimensional tolerances inofanira kutsanangurwa.

Kune mabhodhi akagadzirirwa kuungana otomatiki nemichina yekutora-uye-nzvimbo, mafiducials anofanirwa kuwedzerwa kuti akurumidze kugadzira. Bvunza nemugadziri wako kuti uone kana maburi ekushandisa achidikanwa. Izvo zvakakosha kuti ubatane nemugadziri wako wekondirakiti kuti dhizaini yako ienderane neinonzwika misimboti yekugadzira yePCBA yekugadzira.

Materials

Kusarudza zvinhu zvakakodzera ndiko kwakakosha pakugadzira PCB. Izvi zvinosanganisira kufunga nezvemhangura inorema (inowanzova 1oz kana 2oz), ukobvu hwePCB substrate (semuenzaniso, aruminiyamu kana FR4), uye ukobvu hwebhodhi, hunosiyana kubva pa0.4 mm kusvika 2 mm zvichienderana nekushandiswa. Semuenzaniso, magadzirirwo eRF angangoda maPCB akatetepa. Highleap Electronic inokurudzira zvakanyanya kutaura nezvezvishandiso zvakaita sePCB copper thickness guide uye magwaro ane chekuita nazvo panguva yekukura. Mitemo yePCB DFM inoongorora zvinhu zvakasiyana-siyana:

• Mashoko acho anofanira kuva akasimba zvakadini?
• Iyo solder mask inofanirwa kuve nerumwe ruvara here? Iyo silkscreen kazhinji inoda kusiyanisa nemask.
• Zvinoda kusapinda sei kupisa?
• Ko bhodhi richatakura ikozvino yakakosha here? Pachava nemagetsi akakwira here? Ukobvu hweTrack hunofanirwa kutariswa pakuverenga kwazvino, uye gap spacing yekuverenga voltage.
• Zvinhu zvacho zvinofanirwa kudzivirirwa sei murazvo?
• Chii chinodiwa kukora? Ndeipi substrate material yakanakisa? Ko FR4 yakakodzera here, kana kuti zviri nani kupisa kupisa kunodiwa, pamwe uchishandisa aluminium?

Zvakare, iva nechokwadi chekuti wakurukura nezvezvinhu zvacho nemugadziri wePCB yako , uchiongorora zvinhu zvavo zvinoenderana nehurongwa hwezvinhu, izvo zvinogona kubatsira kuderedza mitengo yezvinhu.

mhepo mvura nenzvimbo

Magadzirirwo echigadzirwa chako anofanira kuzvidavirira kune nharaunda yaacharatidzwa. Ko bhodhi richashandiswa munzvimbo yakaoma ine kuzunguzika, tembiricha yepamusoro, kuratidzwa nezuva, hunyoro hwepamusoro, kana mhepo inopisa? Izvi zvinosanganisira kugadzirisa zvingangoitika seguruva, mwando, uye ngura. Pamusoro pezvo, zvakakosha kuti uongorore kana dunhu richida zvinhu zvakaita seyepamusoro-frequency mashandiro kana miniaturization.

Zvitupa zvemugadziri zvezvakatipoteredza, zvinosanganisira RoHS certification uye electromagnetic interference resistance resistance certification, inofanira kunyatsoongororwa. Maindasitiri ane hunhu chaihwo anofanirwawo kuona zvitupa zvemugadziri, senge ISO13485 (yekurapa) kana IATF16949 (yemotokari) zvitupa.

Kutevedzera / Kuedza uye Calibration

Kutsanangura huwandu hwemiedzo kana ongororo dzichaitwa nebhodhi redunhu rakadhindwa risati ragadzirwa kwakakosha. Izvi zvakakosha zvikuru kumabhodhi makuru ane zvikamu zvakawanda kana mitengo yakakwira yekugadzira, sezvo bvunzo idzi dzichivimbisa kuti hapana zvikanganiso zvemagetsi zvinoregeredzwa. Miedzo iyi inogona kuenderana nemiedzo yePCB yemurabhoritari yakanangana nekuwana zvitupa zvakaita sezvakataurwa kare.

Kunze kwemamwe prototypes anogadzirwa muhuwandu hwakaderera, zvese zvigadzirwa zvinofanirwa kusangana nekuchengetedza uye mhando zviyero. Aya mazinga anogona kuve IPC PCB zviyero, zviyero zvedunhu, kana zviyero zvemukati zvakanangana nekambani kana kwauri semutengi.

Iwe unoda chero ISO certification? Ndiani achapa UL kuyedzwa, ETL, uye vamwe? Ndiani achaitisa uye kuedzwa kwakadaro kuchaitika kupi?

Dhizaini Zvikanganiso zveDFM Macheki

Edge Gap

Kugovewa kwakakodzera kwekucheneswa kwemupendero kwakakosha kudzivirira kubviswa kwekupotera panguva yekucheka kwePCB. Kubatanidza zvimwe zviyero zvekudzivirira kuvhara kunovimbisa kutendeseka kwemhangura yemhangura uye kunoderedza ngozi yekuora.

Acid Trap

Akapinza makona mumakona ekutevera anogona kutungamira kune asidhi musungo kuumbwa panguva ye etching maitiro. Kushandisa chamfers kana mabevel uye kudzivirira acute angles kunogona kudzikisira asidhi trap nyaya uye kuve nechokwadi chekuyerera kwakatsetseka panguva yekunyudzwa.

Kusavapo kweSolder Mask

Kusiiwa kweiyo solder mask layer kunounza njodzi yakakura yekusangana kusingatarisirwe pakati pemapadhi, zvichikonzera zviitiko zvedunhu bhodhi-pfupi. Kubatanidza iyo inodzivirira layer mumadhizaini maprotocol inova nechokwadi chekuchengetedzwa kwakakwana uye kuvimbika.

Optimizing Via Placement

Strategic yekuisa vias inogona kubatsira kusunungura yakakosha nzvimbo paPCB. Nekudaro, kunyanya kutumirwa kwevias kunogona kukanganisa kushanda kwekutengesa. Kunyatsotariswa kwemhando uye kuiswa kwakakosha kudzivirira zvinokanganisa kuita kwebhodhi.

Zvinhu Zvinokanganisa Dhizaini Yekugadzira

Zvimwe zvinhu zvakati wandei zvinopesvedzera dhizaini uye kuungana kwePCB, kupfuura izvo zvakakosha zvezvinhu uye mutengo. Chimwe chinhu chakakosha kudzikisa huwandu hwezvikamu zvinoshandiswa mukugadzira. Kurerutsa dhizaini nekushandisa mashoma zvinhu zvinogona kutungamirira kushoma kudiwa kwekupindira kweinjiniya, kugadzirisa maitiro ekugadzira, kuderera kwevashandi zvinodiwa, uye zvinogona kuderedza mutengo wekutumira. Iyi nzira haingodzikisi mitengo chete asiwo inowedzera kushanda kwese kwekugadzira.

Imwe nzira yakakosha ndeyekumisa zvinhu mukati mePCB dhizaini. Nekumisa zviyero uye maumbirwo ebhodhi, vagadziri vanogona kugadzira mabhodhi anochinjika pamidziyo yakasiyana-siyana kana kushandira akawanda mabasa zvichienderana neakaiswa zvikamu. Uku kumisikidzwa kunorerutsa maitiro ekugadzira uye kuderedza mitengo yekugadzira, zvichiita kuti ive inodhura-inoshanda mhinduro yekugadzirwa kwakawanda. Pamusoro pezvo, kuita modular maassemblies-uchishandisa ekutengesa mamodule uye asiri-akajairwa dhizaini-kumwe kukwenenzvera kugadzirwa uye kufambisa nyore uye nehupfumi kugadziridzwa kwechigadzirwa.

Kugadzirisa zvinongedzo mukati mePCB dhizaini kwakakoshawo pakubudirira kwemutengo. Kuderedza nhamba yezvibatanidza zvinodiwa zvinogona kuderedza mari zvakanyanya. Kana zvinobatanidza zvichidikanwa, kusarudza zvekutengesa, zvakajairwa zvinongedzo zvinogona kuderedza mari. Kushandisa self-tapping screws kuti ikurumidze uye ishande zvakanyanya, uye kudzivirira kushandiswa kweakakosha fasteners senge yakanyanyisa kureba screws, split washer, uye maburi akaiswa tambo, zvinogona zvakare kuderedza mutengo. Uyezve, kufunga dzimwe nzira dzakaita seakaomesesa-flex PCBs, kunyangwe iwo akakwira ekutanga mutengo wekugadzira, anogona kupa yakagadziridzwa kusimba uye dhizaini inoshanduka, inozopedzisira yave kudzikisa mutengo wepurojekiti.

Sei uchisarudza Highleap Electronic kune Yako Inotevera Electronic Project?

Seinjiniya ane ruzivo, ini ndinokurudzira zvikuru kusarudza Highleap Electronic kune yako inotevera yemagetsi chirongwa. Chekutanga, Highleap Electronic inozvikudza ine hunyanzvi hweinjiniya timu inyanzvi mune zveDFM nheyo. Nekubatana nesu, unogona kugashira kuraira kwakakosha panguva yedhizaini dhizaini dhizaini dhizaini dhizaini, kuderedza mutengo wekugadzira, kuwedzera hunyanzvi hwekugadzira, uye kuve nechokwadi chemhando yepamusoro yechigadzirwa chekupedzisira.

Kechipiri, Highleap Electronic ine ruzivo rwakakura mukubata mapurojekiti akaomarara ePCB nePCBA. Chikwata chedu chinokunda kwete chete mukugadzira uye kugadzira yakakwirira-density, akawanda-layer edunhu mabhodhi asiwo mukubata akasiyana zvinhu uye akakosha maitiro. Kunyangwe purojekiti yako inosanganisira yakakwirira-frequency, yakakwirira-ikozvino, kana yakakwirira-tembiricha nharaunda, isu tine mhinduro uye zvitupa, senge ISO13485 (yekurapa) uye IATF16949 (yemotokari), kuti isangane neyako indasitiri zvinodiwa.

mhedziso

Kazhinji, dhizaini yePCB yekugadzira (DFM) inyaya yekuronga zvine hungwaru, kushandira pamwe chete, uye kugadzirisa nguva dzose. Nekutevedzera misimboti yeDFM, unogona kuwedzera kugona kwekugadzira, kuderedza mitengo, uye kuvandudza mhando yese yePCB dzako. Kunyangwe uri mutsva pakutenga PCB kana nyanzvi ine ruzivo, kubatanidza macheki eDFM mumaitiro ako ekugadzira kwakakosha kuti uwane mhedzisiro yakanaka.

Vhura mukana wePCB dhizaini yekugadzira neHighleap Electronic - waunovimba naye muprimiyamu PCB musangano masevhisi.

DFM Inotarisa FAQ

1.Ndingaite sei kuti PCB yangu dhizaini irege kugadzira misungo yeasidhi panguva yekugadzira?

Kuti udzivise misungo yeasidhi, ita shuwa kuti yako trace angles inosvika madhigirii makumi mapfumbamwe uye dzivirira makona akapinza. Funga kushandisa machamfers kana mabheji edges paunenge uchibatanidza zviteshi kuti uone kuyerera kwakatsetseka panguva yekushongedza, kuderedza njodzi yekusara kweasidhi kuvaka.

2.Zvii zvinhu zvandinofanira kufunga pakusarudza zvinhu zvePCB yangu?

Pakusarudza PCB zvinhu, funga zvinhu zvakaita sesimba, kupisa kuramba, conductivity, uye murazvo retardance. Zvichienderana neiyo chaiyo application (semuenzaniso, yakakwirira-frequency mashandiro kana hutsinye nharaunda), sarudza akakodzera substrates seFR4 kana aluminium. Kurukura nemugadziri wako kuti uve nechokwadi chekuti zvinhu zvakasarudzwa zvinogonesa zvese mutengo uye kuita.

.

Muchigadziro chako, govera zvakakwana kumucheto clearance. Kune zvidimbu zvekunze, imwezve 0.010 inches yenzvimbo yekuputira inokurudzirwa, uye kune yemukati machira, imwezve 0.015 inches inorayirwa. Izvi zvinoita kuti iyo yekudzivirira yekudzivirira irambe yakasimba panguva yePCB yekucheka maitiro, kudzivirira kuratidzwa kwemhangura uye inogona kuve nekuora.

4.How can I optimize kuisa vias muPCB yangu magadzirirwo?

Funga nezvezvipingamupinyi zvemuchadenga uye kushanda kwekutengesa paunenge uchiisa vias. Dzivisa kushandisa zvakanyanya vias kudzivirira solder wicking. Sarudza yakakodzera kuburikidza nemhando (semuenzaniso, microvias, bofu vias, kuvigwa vias) zvichibva pane zvaunoda dhizaini uye ona kuti kuiswa kwavo hakukanganise kugadzwa uye kushanda kwezvimwe zvikamu.

5.Chii chandinofanira kufunga muPCB dhizaini yemamiriro ekunze akaomarara kuti ave nechokwadi chekuvimbika?

Kana PCB yako ichizosangana nemamiriro ezvinhu akaomarara senge tembiricha yakakwira, mwando, kana kutenheka, sarudza zvinhu zvine hunyoro hwekupisa uye kudzivirira hunyoro. Wedzera machira ekudzivirira kana nhovo kudzivirira huruva, mwando, uye ngura. Ita shuwa kuti dhizaini yako inosangana neakakodzera zvitupa zvakatipoteredza senge ROHS uye EMI kuramba kuti uwedzere kuvimbika.

Nekushandisa aya macheki eDFM, unogona kuvandudza zvakanyanya kugadzirwa kwePCB dhizaini yako, kuderedza mitengo yekugadzira, uye kuve nechokwadi chemhando uye kuvimbika kwechigadzirwa chekupedzisira. Kudyidzana neHighleap Electronic kunovimbisa iwe wepamusoro-notch tsigiro yehunyanzvi uye masevhisi ekugadzira, kuve nechokwadi chekubudirira kweprojekiti yako yemagetsi.