Zolakwitsa zofananira pazithunzithunzi

(2) Component out of bounds: component is not created in the center of component library diagram paper.

(3) Tebulo lamtundu wa projekiti lomwe lidapangidwa lingathe kulowetsedwa pang’ono PCB: Global sinasankhidwe pomwe ma netlist adapangidwa.

(4) Musagwiritse ntchito Annotate mukamagwiritsa ntchito zopanga zingapo zopanga.

Common errors in PCB

(1) Ma netiweki atadzaza, akuti NODE sapezeka a. Zigawo pazithunzithunzi zimagwiritsa ntchito phukusi zomwe sizili mulaibulale ya PCB; B. Components in the schematic diagram use packages with different names in the PCB library; C. Zigawo m’makina azithunzi amagwiritsa ntchito phukusi lokhala ndi manambala a PIN osagwirizana mulaibulale ya PCB. Mwachitsanzo, triode: manambala a pini mu SCH ndi e, b, c, ndi 1,2,3 mu PCB.

(2) Nthawizonse sangathe kusindikiza patsamba mukasindikiza

Laibulale ya PCB sichimachokera pomwe idapangidwa; B. Pali zilembo zobisika kunja kwa malire a bolodi la PCB mutasuntha ndikusinthasintha magawo nthawi zambiri. Sankhani onetsani zilembo zonse zobisika, muchepetse PCB, ndikusunthira otchulidwa mkati mwa malire.

(3) Maukonde opereka malipoti ku DRC agawika magawo angapo:

Izi zikuwonetsa kuti netiweki SIYOYENERA. Yang’anani pa fayilo ya lipoti ndikusankha CONOPEED COPPER kuti mufufuze.

Ngati kapangidwe kovuta kwambiri, musayese kugwiritsa ntchito zingwe zamagetsi zodziwikiratu.

Zolakwitsa zomwe zimachitika pakupanga kwa PCB

(1) phukusi limalumikizana ndi a. Pangani dzenje lolemera, pobowola chifukwa cha mabowo angapo obowoka chifukwa choboola ndi kuwonongeka kwa dzenje.

B. Mu bolodi lamitundu ingapo, pali ma diski olumikiza ndi ma disks olekanitsidwa mofanana, ndipo bolodi limakhala ngati • kudzipatula komanso kulumikizana kolakwika.

(2) Kugwiritsa ntchito zithunzi zosanjikiza sikukhazikika. Zimaphwanya mapangidwe achilengedwe, monga kapangidwe kazinthu m’munsi mwake, kuwotcherera pamapangidwe a TOP, kuyambitsa kusamvetsetsa.

B. There is a lot of design junk on each layer, such as broken lines, useless borders, annotations, etc.

(3) Anthu opanda nzeru a. Makhalidwe kuphimba welds SMD, zomwe zimabweretsa mavuto kwa PCB pa-kutali kudziwika ndi kuwotcherera chigawo chimodzi.

B. Makhalidwe ndi ochepa kwambiri, zomwe zimapangitsa kuti kusindikiza pazenera kukhale kovuta, zilembo zazikulu kwambiri zimayenderana, ndizovuta kusiyanitsa, zilembo zonse> 40 chikwi

(4) Mapepala okhala ndi mbali imodzi adakhazikitsa kabowo a. Mapepala okhala ndi mbali imodzi samaboola mabowo, kabowo kamayenera kupangidwa kuti isakhale zero, apo ayi pakupanga zidziwitso za kubowola, komwe mabowo amayang’anira. Malangizo apadera ayenera kuperekedwa pobowola mabowo.

B. Ngati padi lokhala ndi mbali imodzi liyenera kukumba, koma dzenje silinapangidwe, pulogalamuyo imasamalira pad ngati SMT pad pakatulutsa deta yamagetsi ndi mapangidwe, ndipo wosanjikiza wamkati adzataya padera lokhalokha.

(5) Jambulani phukusi podzaza

Mwanjira imeneyi, ngakhale itha kuyendera kuyendera kwa DRC, siyingathe kupanga mwachindunji kukaniza kwa solder pakukonza, ndipo pediyo imakhala yokutidwa ndi solder ndipo siyothekera.

(6) The electric stratum is designed with both heat sink plate and signal line, and the positive and negative images are designed together, causing errors.

(7) Malo akulu a gululi ndi ochepa kwambiri

Kutalikirana kwa mzere wa grid < 0.3mm, popanga ma PCB, mawonekedwe osinthira owoneka bwino amatulutsa kanema wosweka atayamba, zomwe zimapangitsa kuti waya asokonekere. Sinthani zovuta zakukonza.

(8) Grafuyo ili pafupi kwambiri ndi chimango chakunja

The spacing should be more than 0.2mm at least (more than 0.35mm at V-cut), otherwise the copper foil will warp and solder resist will fall off during the appearance processing. Zimakhudza mawonekedwe (kuphatikizapo khungu lamkati lamkuwa lamagulu angapo).

(9) The outline frame design is not clear

Magawo ambiri amapangidwa ndi mafelemu, omwe sagwirizana, zomwe zimapangitsa kuti zikhale zovuta kwa opanga PCB kudziwa mzere womwe uyenera kupangidwa. Choyikiracho chiyenera kupangidwa pamakina osanjikiza kapena BOARD wosanjikiza, ndipo mawonekedwe obisika mkati ayenera kukhala omveka.

(10) Zithunzi zosafanana

Pamene graph electroplating, magawidwe apano ndi osagwirizana, zomwe zimakhudza yunifolomu yokuta, ngakhale kuyambitsa warpage.

(11) Dzenje loboola lalifupi

Kutalika / m’lifupi kwa dzenje loboola mwapadera liyenera kukhala> 2: 1, m’lifupi & gt; 1.0mm, apo pobowola makina a CNC sangathe kukonza.

(12) Palibe mphero mawonekedwe masanjidwe lakonzedwa

Pangani osachepera awiri diameters mu PCB ngati zingatheke. 1.5mm dzenje pamalo.

(13) Kutsegulako sikudziwikiratu

Kutsegula kuyenera kulembedwa ndi metric system momwe zingathere ndikuwonjezeka ndi 0.05. B. As far as possible to merge the aperture into a reservoir area. C. Kaya kulolerana kwa ma metallized mabowo ndi mabowo apadera (monga ma crimping hole) amadziwika bwino.

(14) The inner layer of the multilayer is unreasonable

A. Pad yotaya kutentha imayikidwa pa lamba wodzipatula. Itha kulephera kulumikizana mutaboola. B. Mapangidwe a lamba wodzipatula sanatchulidwe ndipo ndiosavuta kumva. C. Lamba lodzipatula ndilopapatiza kwambiri kuti ungaweruze molondola netiweki

(15) Kupanga kwa mbale yakhungu yakuphimba

Kufunika kwa kapangidwe ka mbale yakubowo yakhungu: a. Kuonjezera kachulukidwe bolodi multilayer ndi oposa 30%, kuchepetsa chiwerengero cha zigawo za bolodi multilayer ndi kuchepetsa kukula kwa b. Kupititsa patsogolo magwiridwe antchito a PCB, makamaka kuwongolera mawonekedwe amachitidwe (kufupikitsa waya, kuchepetsa kutsegula) c. Kusintha ufulu wa kapangidwe ka PCB d. amachepetsa zopangira ndi mtengo, zothandiza kuteteza zachilengedwe. Ena amati mavutowa amapezeka chifukwa chazolowera kugwira ntchito, zomwe nthawi zambiri zimakhala vuto la munthuyo.

Kupanda kukonzekera

Mwambiwo umati, “Ngati munthu samakonzekereratu, zovuta zimamupeza. “Izi zikugwiranso ntchito pakupanga kwa PCB. Chimodzi mwazinthu zambiri zomwe zimapangitsa PCB kupanga bwino ndikusankha chida choyenera. Akatswiri amakono opanga ma PCB atha kupeza masuti ambiri a EDA pamsika. Iliyonse ili ndi kuthekera kwake, mphamvu ndi zolephera zake. Tiyeneranso kukumbukira kuti palibe pulogalamu yopanda tanthauzo, chifukwa chake zovuta monga zolumikizira zigawo zikuluzikulu ziyenera kuchitika. Ndizotheka kuti palibe chida chimodzi chomwe chingakwaniritse zosowa zanu zonse, koma muyenera kuchita kafukufuku musanayese kuyesa kupeza zomwe zingakwaniritse zosowa zanu. Zina pa intaneti zingakuthandizeni kuyambiranso mwachangu.

Kusalankhulana bwino

Ngakhale chizolowezi chogwiritsa ntchito mapangidwe a PCB kwa ogulitsa ena chikuyamba kukhala chofala ndipo nthawi zambiri chimakhala chotsika mtengo kwambiri, mwina sichingakhale choyenera kupanga ma PCB ovuta komwe magwiridwe antchito ndi kudalirika ndikofunikira. Pomwe kapangidwe kake kamakulira, kulumikizana pamasom’pamaso pakati pa mainjiniya ndi opanga ma PCB kumakhala kofunikira kuti muwonetsetse mawonekedwe olondola ndi zingwe mu nthawi yeniyeni. Kulumikizana kotereku kumatha kuthandizanso kuti zisadzabwerenso ndalama zambiri mtsogolo.

Ndikofunikanso kuyitanitsa opanga board a PCB koyambirira kwamapangidwe. Amatha kupereka mayankho anu koyamba pamapangidwe anu, ndipo atha kukulitsa kuchita bwino kutengera momwe amathandizira ndi momwe amathandizira, zomwe zingakupulumutseni nthawi ndi ndalama zambiri pamapeto pake. Mwa kuwadziwitsa zolinga zanu pakupanga ndikuwayitanira kuti atenge nawo gawo koyambirira kwa mapangidwe a PCB, mutha kupewa zovuta zilizonse zomwe zingachitike musanapange ndikupanga nthawi yocheperako.

Takanika kuyesa bwino mitundu yoyambirira

Ma board a prototype amakulolani kuti muwonetsetse kuti mapangidwe anu akugwira ntchito pazoyambirira. Kuyesa kofanana kumakupatsani mwayi wowonetsetsa magwiridwe antchito a PCB ndi magwiridwe ake ntchito musanapangidwe misa. Kuchita bwino pamachitidwe otenga nthawi yayitali kumatenga nthawi yayitali komanso chidziwitso, koma kuyeserera kolimba komanso kukhazikitsa zolinga momveka kumatha kufupikitsa nthawi yowunikira komanso kumachepetsa mwayi wazolakwika zokhudzana ndi kupanga. Ngati pali zovuta zilizonse mukamayesedwa, kuyezetsa kwachiwiri kumachitika pa board yomwe yasinthidwa. Mwa kuphatikiza zoopsa zazikulu koyambirira kwamapangidwe, mupindula ndi mayesedwe angapo oyeserera, kuzindikira mavuto omwe angakhalepo koyambirira, kuchepetsa zoopsa, ndikuwonetsetsa kuti dongosololi lakwaniritsidwa panthawi yake.

Gwiritsani ntchito njira zosakwanira zosanjikiza kapena zinthu zolakwika

Zida zazing’ono, zothamanga zimalola akatswiri opanga ma PCB kukhazikitsa mapangidwe ovuta omwe amagwiritsa ntchito zinthu zing’onozing’ono zochepetsera phazi ndikuwayika pafupi. Kugwiritsa ntchito matekinoloje monga zida zophatikizidwa pamagawo amkati a PCB, kapena phukusi la mpira Grid (BGA) lokhala ndi mipata yocheperako, zingathandize kuchepetsa kukula kwa bolodi, kukonza magwiridwe antchito, ndikusunga malo oti agwiritsenso ntchito ngati mavuto abwera. Mukagwiritsidwa ntchito ndi zinthu zokhala ndi pini yayikulu komanso malo ocheperako, ndikofunikira kusankha njira yolinganiza bolodi nthawi yakapangidwe kuti mupewe mavuto pambuyo pake ndikuchepetsa ndalama zopangira. Komanso, onetsetsani kuti mwasanthula mosamala magwiridwe antchito ndi magwiridwe antchito a njira zina zomwe mukufuna kugwiritsa ntchito, ngakhale zomwe zatchulidwa kuti m’malo olowa m’malo. Kusintha kwakung’ono pamikhalidwe yazinthu zina m’malo mwake kumatha kukhala kokwanira kuwongolera magwiridwe antchito amachitidwe onse.

Iwalani kusunga zofunikira zofunika pakusungira kwanu ntchito. Kodi ndiyenera kukukumbutsani? Pang’ono ndi pang’ono, muyenera kusunga ntchito yanu yofunikira kwambiri ndi mafayilo ena ovuta kusintha. Ngakhale makampani ambiri amabwezeretsa zosunga zawo tsiku ndi tsiku, makampani ena ang’onoang’ono sangachite izi, kapena ngakhale mutakhala kuti mumagwira ntchito kunyumba. Masiku ano, ndizosavuta komanso zotsika mtengo kusungira deta yanu kumtambo kotero kuti palibe chowiringula kuti musasunge ndikusungira m’malo otetezedwa ku kuba, moto, ndi masoka ena am’deralo.

Khalani chilumba cha munthu m’modzi

Ngakhale mungaganize kuti kapangidwe kanu ndi kopanda pake ndipo zolakwazo si machitidwe anu, nthawi zambiri anzanu adzawona zolakwika mumapangidwe anu omwe simunazindikire. Nthawi zina, ngakhale mutadziwa zinthu zosamveka bwino za kapangidwe kake, anthu omwe sadziwa zambiri za izo amatha kukhala ndi malingaliro abwino ndikupatseni nzeru. Kuwunikiranso zomwe mudapanga ndi anzanu kumatha kuthandizira kuwona zovuta zomwe simukuziyembekezera ndikusunga dongosolo lanu kuti likhalebe mu bajeti. Zowonadi, zolakwa sizimapeweka, koma ngati muphunzira kuchokera kwa iwo, mutha kupanga chinthu chabwino nthawi ina.