Maitiro Ekuwana PCB Silkscreen Yakagutsikana?
Mufananidzo 1. Mufananidzo wePCB silkscreen wekuongorora kugadzirwa kwePCB.
Silkscreen ichinyorwa chakadhindwa chemavara nezviratidzo paPCB - zviratidzo zvekutarisa, zviratidzo zvepolarity, marogo, uye yambiro - zvinoshandura bhodhi risina chinhu kuita chimwe chinhu chinogona kuverengwa nemuunganidzi, muongorori, uye nyanzvi. Silkscreen yakanaka inokurumidza kuungana uye inodzivirira zvikanganiso; silkscreen isina kurongeka inofukidza mapedhi, inova isingaverengeki, kana kuti inochekwa mukugadzirwa. Gwaro iri rinotsanangura kuti silkscreen chii, mitemo yekugadzira inoita kuti irambe ichiverengwa, mavara uye sarudzo dzekushandisa, uye kuti Highleap Electronics inogadzira sei ngano dzakachena, dzinoverengeka.
1. Chii chinonzi PCB silkscreen uye chii chinoitika pairi?
PCB silkscreen inki yakadhindwa — kazhinji chena — inoiswa pamusoro pemasiki ekugadzira kuti iwedzere zvinyorwa nezviratidzo zvinoverengwa nevanhu kubhodhi: zviratidzo zvezvikamu, pin-one ne polarity marks, zita rebhodhi nekudzokorora, ma logo, nzvimbo dzekuyedza, uye zviratidzo zvekunyevera kana zvekuchengetedza. Haina basa remagetsi; basa rayo ndere ruzivo, zvichiita kuti bhodhi rikwanise kuunganidza, kuongorora, uye kugadzirisa nemazvo.
Ruzivo irworwo rwakakosha padanho rega rega: vagadziri vemareferensi vanoudza muunganidzi uye sarudza-uye-nzvimbo kuti chikamu chipi chinoenda kupi, mamakisi epolarity anodzivirira kuiswa kumashure, uye rugwaro rwekugadzirisa runoratidza bhodhi. Silkscreen inoiswa pamusoro pesolder mask , saka zvikamu zviviri izvi zvinoshanda pamwe chete nemaziso, uye silkscreen yakagadzirwa zvakanaka paPCB chimwe chezvinhu zviri nyore zvinoparadzanisa bhodhi rehunyanzvi kubva kune rinovhiringidza.
2. Mitemo yekugadzira silkscreen yePCB: rugwaro rudiki uye upamhi hwemutsetse
Mitemo mikuru yekugadzira silkscreen ndeye mutsetse mudiki uye kureba kwemavara uko mugadziri anogona kudhinda nenzira yakavimbika, uye haamboisi silkscreen pamusoro pemapedhi kana mavias akavhurika. Rugwaro rwuri pasi pemudiki runova bhuroko risina kujeka, risingaverengeki, uye inki iri papad inokanganisa kusungirirwa - saka kuverengeka nekubviswa kwemavara ndizvo zvinhu zviviri zvinokosha. Mitemo mikuru:
- Upamhi hwemutsetse hushoma. Kurova kwega kwega kunofanira kunge kwakafara zvakakwana kuti maitiro ekudhinda aratidzike zvakanaka; mitsetse mitete inosviba kana kupwanyika.
- Kureba kwemavara kushoma. Mavara anoda hurefu hushoma (uye chiyero chehupamhi kusvika pahurefu) kuti arambe achiverengwa; rugwaro rudiki ingi inorasika.
- Hapana sikirini yepurasitiki pamapedhi. Chengeta ingi isina mapedhi anogoneka kusungirirwa uye simbi yakafumurwa, sezvo ichikanganisa kusungirirwa uye ichigona kukonzera zvikanganiso.
- Hapana maburi nemaburi. Inki inodonha muburi kana kuti mupini inodhinda zvisina kunaka uye haina zvayakanakira.
Zvishoma chaizvo zvinoenderana nenzira yekushandisa uye kugona kwemugadziri, saka simbisa izvi pane kufungidzira. Mitemo iyi chikamu chekugadzira bhodhi rinovaka zvakanaka, mhuri imwechete yekuongorora inofukidzwa muongororo ipi neipi yezvinetso zvekugadzira - silkscreen inotyora iyo inowanzo deredzwa chinyararire kana kudonhedzwa nechinhu chakanaka.
3. Maitiro ekuronga silkscreen kuti pave nemusangano wakachena, usina zvikanganiso
Ronga sikirini yesiriki kuitira kuti chiratidziro chega chega chive chakabatana nechikamu chayo, chakatarisana nguva dzose kuti zvive nyore kuverenga, uye chisambovanzwa pasi pechikamu chainotara — chinangwa ndechekuti muunganidzi agone kuona nekutungamirira chikamu chimwe nechimwe nekukurumidza. Kurongeka kwakanyatsofungwa ndiko kunoita kuti sikirini yesiriki ibve pakusagadzikana kuita chinhu chechokwadi chekubatanidza:
- Isa vagadziri vemifananidzo padivi pezvikamu zvavo uye zvinoenderana (semuenzaniso zvese zvinoverengwa kubva panzira imwe chete kana mbiri) saka hapana kusanzwisisika pamusoro pekuti ndeipi label iri yechikamu chipi.
- Chengetedza mavara achionekwa mushure mekugadzira kana zvichibvira, saka zvinobatsira kuongorora nekugadzirisa patsva, kwete kungoisa pakutanga chete - chiratidzo chakavigwa pasi pechikamu chacho hachigone kuverengwa gare gare.
- Maka polarity woisa imwe pachena pachikamu chimwe nechimwe chakapatsanurwa, chinova ndicho chidziviriro chikuru kubva pakusangana kwemashure.
- Dzivisa kuzara kwevanhu. Pamabhodhi akakora, isa zviratidzo zvinodzivirira zvikanganiso uye kuchena kwese dhizaini yesikirini yesilika pamusoro pemashoko ekushongedza.
Mubairo wacho ndewekukurumidzisa kuungana, kuve nyore kuongorora, uye zvikanganiso zvishoma zvekuvaka. Pamabhodhi akazara vanhu pane hunyanzvi hwechokwadi hwekuisa mamaki akajeka, anobatsira pasina mapedhi anopindirana kana mamwe magwaro, ndosaka kuronga tsime resilkscreen riri basa rekugadzira roga.
4. Mavara ePCB silkscreen uye musanganiswa wesolder-mask
Ruvara rwesiriki rwesiriki rwakajairika ruchena, asi dema, yero, nemamwe mavara aripo, uye sarudzo inofanira kupa musiyano wakasimba neruvara rwesolder-mask kuitira kuti rugwaro rurambe rwuchiverengwa. Silkscreen nesolder mask zvinoonekwa, saka zvinosarudzwa pamwe chete kuti zviverengeke uye zvionekwe:
| Ruvara rwechifukidziro chesolder | Sarudzo yakajairika yesiriki yesiriki |
|---|---|
| Girini (inonyanya kuwanikwa) | Chena kuti pave nekusiyana kwakasimba |
| Nhema | Chena (nhema-ne-nhema haiverengeki) |
| Chena | Dema rekuti pave nekusiyana |
| Dzvuku / bhuruu / zvimwe | Chena, yakasarudzwa kuti iverengeke |
Mutemo unoshanda ndewekuti: chena pagirini kana dema ndiwo musanganiswa wekare, unoverengwa zviri nyore, nepo musanganiswa wakafanana (sechidzitiro chesiriki nhema pamasiki matema) unofanirwa kudzivirirwa nekuti rugwaro runonyangarika. Rudzi rwakazara rwemavara emasiki anosonerwa anoenderana nesarudzo idzi dzemasiki, saka sarudza musanganiswa wekutanga kuti uverengeke uye wechipiri kuti uve nerunako - kunyanya pamabhodhi apo vaunganidzi nevashandi vehunyanzvi vanofanira kuverenga ngano nekukurumidza.
Mufananidzo 2. Ruzivo rwekugadzira PCB silkscreen runofanira kuongororwa usati watenga uye wagadzira.
5. Mashandisirwo anoitwa silkscreen: kudhinda skrini, LPI, uye inkjet
Silkscreen inoshandiswa nenzira nhatu huru: kudhinda kwechinyakare (inki yakasundirwa nestencil), kupenda mifananidzo yemvura (LPI, inki yakagadzirwa nemufananidzo kuti iwane ruzivo rwakakwana), uye kudhinda inkjet (yakadhindwa nedhijitari, yakanaka kune zvinyorwa zvakanaka uye data rinoshanduka). Nzira iyi inoisa resolution inogoneka uye saizi shoma yechinhu, ndosaka ichienderana nemitemo yekugadzira iri pamusoro:
- Screen printing inosunda inki nepachikirini chakagadzirwa nemapatani — isingadhuri uye yakajairika, asi yakakora, saka inoda mavara mashoma uye upamhi hwemitsara.
- Kufungidzira mifananidzo yemvura (LPI) majasi nemufananidzo-zvinogadzira inki kuti ive neresolution yepamusoro uye ine mavara akapfava, akapinza, akakodzera mapuranga akakora.
- Inkjet inodhinda nyaya iyi nedhijitari pasina sikirini, ichipa ruzivo rwakakwana uye kugona kusiyanisa zvirimo pabhodhi rega rega, zvine chekuita ne Kudhinda kwePCB inkjet.
Nzira dzekugadzirisa zvinhu dzakanyanya kunaka dzinobvumira magwaro madiki, akapinza, izvo zvinonyanya kukosha pamabhodhi emazuva ano akazara vanhu apo nzvimbo yengano yacho iri shoma. Nzira chaiyo inoenderana nekuti silkscreen inofanira kunge yakanaka sei uye huwandu hwebhodhi, saka rinoenderana nedhizaini pane kugadziriswa - uye rinosarudza hupamhi hwemavara nemitsara yaunogona kuvimba nayo.
6. Mashandisirwo anoitwa Highleap kugadzira silkscreen yakachena uye inoverengwa
Highleap inogadzira silkscreen yakachena uye inoverengwa nekufananidza nzira yekushandisa nezvinodiwa nebhodhi, ichibata rugwaro nehupamhi hwemitsara, uye ichibatanidza ruvara rwesilkscreen nesolder mask kuti pave nekusiyana kwakasimba. Nyaya yacho yakadhindwa isina mapadhi nemavias, ine mareferensi, mamaki epolarity, uye magwaro ekudzokorora akanyorwa zvakajeka kuitira kuti bhodhi rive nyore kuunganidza, kuongorora, uye kugadzirisa.
Nekuti hunhu hwesilkscreen uye kuiswa kwayo zvinokanganisa kururama kwekuvaka, ongororo yekugadzira inoongorora ngano kuti ionekwe zvakanaka here, kubviswa kwepad, uye chero mamaki angagadziriswa nemaitiro ekugadzira - zvichikonzera matambudziko bhodhi risati ragadzirwa. Highleap inobata izvi mukati mekugadzirwa kwePCB uye inotsigira bhodhi rakazadzwa nevanhu kuburikidza nekugadzira turnkey , uko vagadziri vakajeka vanokurumidza kuisa uye kuongorora. Paunokumbira mutengo, taura mavara esilkscreen nesolder-mask, chero zvinyorwa zvidiki zvinodiwa, uye kana uchida mamaki akakosha kana data rega rega kuitira kuti ngano ibudiswe nemazvo.
7. Mibvunzo Inowanzo bvunzwa nezvePCB silkscreen
Ko silkscreen layer iri paPCB inoshandisirwei?
Inotakura zvinyorwa nezviratidzo zvakadhindwa — zviratidzo zvemareferensi, zviratidzo zvepolarity nepin-one, zita rebhodhi nekudzokorora, marogo, uye yambiro — kuti bhodhi rive nyore kuverenga pakuungana, kuongororwa, uye kugadziriswa. Harina basa remagetsi.
Saizi shoma yechinyorwa chesilkscreen paPCB ndeyei?
Zvinoenderana nenzira yekushandisa uye kugona kwemugadziri, asi hunhu hwega hwega hunoda hurefu hushoma uye upamhi hwemutsetse kuti zvirambe zvichiverengwa. Nyora pasi peizvozvo zvinokanganisa kana kupwanyika, saka simbisa muganho nemugadziri wako.
Ko silkscreen inogona kupfuura pamapedhi kana mavias here?
Kwete — ingi iri pamapedhi anogocherwa inokanganisa kugocherwa uye inogona kukonzera zvikanganiso, uye ingi iri mumapini haisi kudhinda zvakanaka. Chengeta silkscreen iri kure nemapedhi, simbi yakafumurwa, uye maburi; vagadziri vanowanzo cheka ingi inotyora izvi.
Ruvara rwesiriki rwakanakisisa nderupi?
Iyo ine musiyano wakasimba pane chifukidzo chako chesolder. Chena ndiyo yakajairika uye inoverengwa zvakanaka pagirini kana dema; pa chifukidzo chichena, silkscreen nhema inoshandiswa. Dzivisa kusanganiswa kwakafanana uko rugwaro runonyangarika.
Sei imwe sikirini yangu yesimbi isipo pabhodhi rapera?
Kazhinji nekuda kwekuti rugwaro kana mitsetse zvaive pasi pehukuru hushoma, kana kuti ingi yaiwira pamapedhi kana mavias uye yakachekwa nemaitiro ekugadzira. Kugadzira mukati memitemo yerugwaro/mitsetse shoma uye kusashandisa mapedhi kunodzivirira izvi.
Ndinogona here kudhinda QR code kana logo mu silkscreen?
Ehe — ma logo nemifananidzo yakagadziriswa zvinodhindwa zvakanaka mu silkscreen, uye kodhi yakagadziriswa (isiri yakasiyana) inogona kuiswa. Kune ma code akasiyana epabhodhi uye serialization, laser kana inkjet marking inoshandiswa panzvimbo pezvo, sezvo silkscreen ichidhinda mufananidzo mumwe chete pabhodhi rega rega.
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