Kugadzira PCB Diki: Kugadzira uye Kugadzira Array

Fungidzira denderedzwa re 26 × 18 mm rinofanira kupfuura nepakati pekudhinda ne stencil uye kusarudzwa kwemapuranga risati rapatsanurwa kuita mabhodhi akasiyana. Dense array inogona kutaridzika yakachipa muCAD, asi inogona kuoma kutsigira, kuongorora kana kubvisa mapaneru. Ndiyo dambudziko riripo riri shure kwePCB panelization diki.

Pano tinovaka ma arrays maviri kubva pabhodhi rimwe chete rekufungidzira: gadziriro ye 12-up uye gadziriro ye 16-up. Masvomhu ari nyore; sarudzo yeinjiniya haisi. Mamiriro ekupedzisira, maturusi ekushandisa, rutsigiro rwekuungana uye fomati yekutumira zvinogona kupfuura kuwedzera kudiki mukushandiswa kwejometri.

Zviyero zviri mumuenzaniso uyu zvinoratidza zvinhu zviri mukati, kwete miganhu yemaitiro eHighleap . Kuti uwane mazwi ekutanga, ona ongororo yedu yePCB panelization ; dhizaini yakashanda pazasi yakagadzirirwa kuongororwa nemugadziri wezvinhu pamwe nemuunganidzi weSMT.

Tsanangura Basa rePanel Usati Watora Array

Usati wagadzira array, tsvaga kuti mapuranga achabatwa sei seboka rakabatana. Panel inoshandiswa chete mukugadzira PCB, kuburikidza neSMT reflow, kuburikidza nekuongorora, kana kunyangwe kuburikidza nekutumira? Izvi hazvisi zvakafanana zvinodiwa. Mugadziri wemapuranga asina chinhu angada kuronga panel imwe chete yekushanda nepo muunganidzi achida arrays diki dzinotakurika dzine rails, fiducials uye maburi ezvishandiso. Mutengi wekupedzisira angada zvidimbu zvega zvega zvine mupendero wakachena, wakadzorwa nemativi.

Mutsetse webhodhi unosarudza kuti mabhiriji enguva pfupi anogona kuwedzerwa kupi. Semuenzaniso, PCB diki ye optical-module inogona kunge iine mupendero wekubatanidza, maburi ekukwirisa, zvikamu zviri pedyo neperimeter uye substrate yakatetepa zvisingawanzoitiki. Hapana kana imwe yemipendero iyoyo inofanira kugamuchira tab inoputika otomatiki. Nzvimbo isina tab inotenderwa inogona kudiwa chero nguva iyo breakout residue inogona kukanganisa housing kana mating connector. Maitiro ekubata ari pasi apa anotsanangurwa mukugadzira hard gold finger PCB.

Unganidza zvinhu zvitanhatu usati waedza kuronga

Chinyorwa chekugadzira chinofanirawo kuratidza kuti ndiani anobvumidza gadziriro yekupedzisira yekubatanidza. Kana muridzi wedhizaini akaomesa mapaneru asina kuongororwa nemuunganidzi, paneru inobuda inogona kunge yakanaka pakugadzira asi isina kunaka pakudhinda nepaste kana kubvisa mapaneru.

Muenzaniso Wakashanda: Enzanisa 12-Up ne16-Up Array

Zviyero zvese zviri pazasi ifungidziro yekudzidzisa kuverenga—kwete miganho yemutsetse weHighleap kana upamhi hwerail hwakajairwa. Fungidzira PCB yekudzora ye26 mm × 18 mm. Ngatitii muunganidzi anogamuchira 8 mm handlerail pamativi ese e rectangular array, uye chirongwa che routed-tab chinoda mukaha wekuparadzanisa we2 mm pakati pemabhodhi ari pedyo. Kubatana kwegoridhe pamucheto mumwe we26 mm kunosarudzwa semucheto usina tab/usina mamaki. Kuti zvive nyore, fungidzira kurongeka kwebhodhi rimwe chete pane chimwe nechimwe chirongwa.

Kune mutsetse wenguva dzose wemakoramu eN nemitsara yeM, envelopu yekunze ndeiyi:

Upamhi hwearray = N × upamhi hwebhodhi + (N - 1) × mukaha wepakati pebhodhi + njanji mbiri dzemativi.

Kureba kwearray = M × kukwirira kwebhodhi + (M - 1) × mukaha wepakati pebhodhi + mativi maviri ekupedzisira.

Chikamu chenzvimbo yebhodhi rejometri (N × M × nzvimbo yebhodhi rimwe chete) ÷ nzvimbo yese ye array-envelopu. Ichi chiratidzo chekurongeka chete , kwete kushandiswa kwelaminate mufekitori, nekuti mapaneru ekugadzira, makuponi ekuyedza, miganho yemidziyo uye process scrap hazvina kubatanidzwa.

Mubvunzurudzo A: Makoramu matatu × mitsara mina, madunhu gumi nemaviri

• Upamhi: 3 × 26 + 2 × 2 + 2 × 8 = 98 mamirimita.
• Kureba: 4 × 18 + 3 × 2 + 2 × 8 = 94 mamirimita.
• Rectangle yese: 98 × 94 = 9,212 mm².
• Nzvimbo gumi nembiri dzemabhodhi dzakapedzwa: 12 × (26 × 18) = 5,616 mm².
• Chikamu chenzvimbo yebhodhi rejiyometri: 5,616 ÷ 9,212 ≈ 61.0%.

Mubvunzurudzo B: Makoramu mana × mitsara mina, madunhu gumi nematanhatu

• Upamhi: 4 × 26 + 3 × 2 + 16 = 126 mamirimita.
• Kureba: 4 × 18 + 3 × 2 + 16 = 94 mamirimita.
• Rectangle yese: 126 × 94 = 11,844 mm².
• Nzvimbo gumi nenhanhatu dzemabhodhi dzakapedzwa: 16 × 468 = 7,488 mm².
• Chikamu chenzvimbo yebhodhi rejiyometri: 7,488 ÷ 11,844 ≈ 63.2%.

Mhedziso yeinjiniya: Mutevedzeri B anoshandisa rectangle inofungidzirwa zviri nani zvishoma, asi izvi hazvina humbowo hwakakwana kuti zvibudiswe. Tarisa kana 126 mm inokodzera conveyor yakatenderwa uye rutsigiro rwestencil, kana kuomarara kwechitima kwakakwana kuburikidza nekudzoreredza, uye kana chishandiso chekubvisa mapaneri chichigona kusvika panzvimbo yega yega yekutyora. Mutevedzeri A anogona kunge achiri akachipa pamusangano wega wega unogamuchirwa kana panel yakakura ikakonzera zvikanganiso kana nguva yekubata. Musiyano uyu unova musimboti wekugadzirisa panel yekugadzira volume.

Sarudza V-Scoring kana Tab Routing by Edge Risk

Hapana imwe nzira yakanakisisa yekuparadzanisa PCB diki yega yega. Zvinoenderana ne geometry yemufananidzo, copper uye kuchengetwa kwezvikamu, zvinhu/ukobvu uye muchina chaiwo wekubvisa mapaneru. Izvi zvinonyanya kukosha apo mamodules anokodzera muzvikamu zvinodzorwa zvakasimba.

Kuisa mapoinzi eV: kunoshanda chete kana geometry ichibvumira

Mitsetse yeV-score inoda nzira dzakatwasuka dzekuparadzanisa dzinogona kutsigirwa nemaitiro ekuongorora emugadziri. Dzinogona kuderedza marara akarongwa kana matanho ekubata mabhodhi akakodzera erectangular. Asi panel ine scored inoramba iine webhu yakasara inodzorwa uye inoda nzira yekuparadzanisa inoenderana. Kuchinjika kunogona kumanikidza majoini esolder ari pedyo kana zvikamu zvinoputsika, saka mubatanidzwa une macapacitor eceramic akaiswa mumucheto kana zvishandiso zvepitch fine zvinoda kuongororwa kwakajeka kwekumanikidzwa. Kutungamira kwescore, kuenderera mberi kwemutsara, kuvaka kwebhodhi, uye kugamuchirwa kwemucheto wakapedzwa zvinofanirwa kutenderwa - kwete kufungidzirwa kubva pakadzika kwescore yakatorwa kubva kune chimwe chigadzirwa.

Kurongeka kwetabhu: rusununguko rwakawanda rwekumucheto, zvisarudzo zvakawanda zvemuno

Mutsetse wakarongwa une ma "breakaway tabs" unogona kudzivirira mipendero isina kurongeka kana kuti yakarurama, asi mugadziri anofanira kusarudza kuti "tab" yega yega inogara kupi, yakafara sei, kuti imhandoi yeburi rinoshandiswa uye kuti chapupu/chisaririra chasara chinobatwa sei. Tab iri padivi pe "card-edge contact" inogona kukonzera kubuda kusingagamuchirwi mushure mekupatsanurwa. Maburi akawanda akarongwa anogonawo kushayisa simba panel SMT isati yasvika. Gwaro rekubvisa mapaneti kubva pakurumwa nembeva rinopa ruzivo rwekugadzirisa ma "tab" akaboorwa; saizi dzekupedzisira dzinofanira kubvumidzwa zvichienderana ne "shop" chaiyo uye kugona kwe "assembler".

Kurongeka kwehybrid: zvinogoneka, asi hazvisi nyore otomatiki

Mamwe magadzirirwo anosanganisa mamakisi akatwasuka padivi rimwe chete nehurongwa hwemipendero yakakosha. Panel yakasanganiswa inogona kushanda, asi inowedzera kudiwa kwemifananidzo yakajeka uye zvishandiso zvinoenderana. Usataure musanganiswa wakadaro kungotaura kuti uri kushandisa zviri nani; inofanira kugadzirisa dambudziko rekugadzirisa rakasimbiswa kana kuti remhando yepamusoro.

Dhizaini yeZvishandiso zveMagetsi uye Rutsigiro rweSMT Pamwe Chete

Njanji haisi laminate inongoraswa chete. Inogona kudiwa pakutsigira conveyor, clamping uye kuzivikanwa. Asi nzvimbo yayo nehukuru hwayo zvinofanirwa kuenderana nemidziyo inodhinda paste, kuisa zvikamu uye kuongorora gungano. Njanji dzinogona kutakura ma panel fiducials, ma tooling holes, barcode/lot marks kana test references; zvinhu izvozvo hazvichinjiki.

Mafiducial epasi rose anobatsira sisitimu yekuisa zvinhu pakuona nzvimbo yearray uye kutenderera kwayo. Mafiducial emuno , kana zvichidikanwa, anovandudza kuzivikanwa kwemabasa chaiwo ekukanda zvakanaka. Maburi ekushandisa anoisa panel muchinhu chinogadzirwa. Muunganidzi anofanira kupa huwandu, macoordinates uye zvinodiwa kuti isashande—hapana template yerail/fiducial inonzwisisika yemutsetse wega wega weSMT.

Kuomarara kwepaneru kunofanirwa kuongororwa zvakananga. Bhodhi rinogona kunge riri diki, asi 16-up array yakaboorwa, ine nzira dzakawanda inogona kuita zvakasiyana nepaneru yakasimba ye rectangular. Funga kuti pasi panogona kutsigirwa kupi panguva yekudhinda, uko kupisa kunogona kukonzera shanduko yenguva pfupi, uye kuti ma connectors anorema kana multiple reflow passes anochinja sei kubata. Chinyorwa cheHighleap cheSMT panelization requirements chinotaura nezvezvinetso zve general assembly-side; sarudzo pano ndeyekuzvishandisa pakudhirowa kwe small-board.

Dzivirira Mipendero Yakakosha Mushure meKucheneswa

Kune module ye optical inodzimwa, kakukanganisika kamwe chete kemucheto kanogona kusakosha zvakanyanya. Nzvimbo yemunwe wekubata ingada kunyoreswa kwakarurama uye bevel yekupedzisira; tab isina kudzorwa kana kurongedza kusina kunaka kunogona kukanganisa geometry iyoyo. Nzira yekugamuchira ine musoro ndeiyi: ongorora panel kuti uone kana paine kukuvara; bvisa panel uchishandisa nzira yakatenderwa; ongorora critical edge kuti uone maburrs, fiber breakout uye tab remains; simbisa chero divi rakaonekwa secritical; wobva warongedza nenzira inodzivirira kugumburwa kubva pakubata kusvika pakubata.

Dhirowa yekugamuchira inofanira kuratidza kuti mamiriro ekupedzisira ari kuyerwa ndeapi. "Hapana mipendero isina kurongeka" inoenderana nepfungwa. "Hapana chisara chetabhu pamucheto weE1; tarisa chimiro chekubatanidza chapera padhirowa imwe neimwe MC-02" chiri pedyo nechinodiwa chinoshandiswa, chero bedzi dhirowa rakatsanangurwa richinyatsotsanangura geometry uye nzira yekuyera. Usataure kuti V-score inorambidzwa kune yega yega PCB yemodule inomhanya kwazvo; maitiro anogamuchirwa ndiwo anosimbiswa zvichienderana nechimiro chayo uye envelopu yekubatanidza.

Ongororo yekudhirowa kwepaneru: buritsa array sechinhu chayo chinodzorwa

1. Nhamba yechikamu chedunhu rimwe chete, mareferensi ekudzokorora uye emudura.
2. Array ID uye revision, X-by-Y mepu, mafambiro uye total finished array envelope.
3. Nzvimbo dzakatenderwa, njanji, zvidimbu, maburi ekushandisa uye zvinhu zvekushandisa.
4. Nzira yekupatsanurana yakarongwa, ma "tab coordinates", "no-tab/no-score edges" uye mamiriro ekupedzisira e "edge".
5. Zvifungidziro zvekutsigira/kugadzira zveSMT uye kana mabhodhi akabatanidzwa achigara mupaneru kuti aongororwe kana kuti arongwe.
6. Kubata zvisina kunaka, kuzivikanwa uye mamiriro ekubvumidzwa kwekutumira.
7. Ndiani ane mvumo yekubvumidza shanduko dze array kana kugadzirwa kwave kukodzera.

Mapoinzi maviri ekupedzisira anowanzo rasikerwa pakati pekugadzirwa nekutenga. Dhirowa yeinjiniya inogona kuti "12-up," asi mutengi anogona kuisa odha yekutenga yemabhodhi chiuru chimwe nechimwe uye kutarisira ma arrays akazara e12-up. Zvinorehwa nemasvomhu nekugamuchirwa zvinotsanangurwa muPCB SET delivery and panelization.

Bvisa Array Chete Mushure mekuenzanisa Kunoshanda

Usati wazvipira kumuenzaniso we12-up kana 16-up, kumbira kuongororwa kweassembler kunosanganisira kutakurwa kwezvinhu, rutsigiro rwekudhinda/stencil, overhang component, AOI uye depaneling equipment. Kumbira kuongororwa kweDFM yekugadzira clearances ye routing, rails, copper registration uye chero plating/contact edge. Wobva waenzanisa fungidziro chaiyo yenguva ye cycle, zvinotarisirwa kugamuchirwa-board outputs, mari ye array uye mamiriro e defects.

Chinhu chekupedzisira chinobatsira ndechekuti: "Kurongeka kweArray kunotenderwa kune zvakataurwa mugadziri wezvinhu uye muunganidzi; shanduko dzekutungamira, ma breakaway tabs, rails, critical edge kana huwandu hwearray imwe neimwe zvinoda kuongororwa kwakanyorwa." Izvi zvinodzivirira kubata kurongeka kwepaneru sechinhu chisina basa chekutenga.

Mibvunzo Inowanzo bvunzwa Nezvekugadzirwa kwePCB Diki

Kuisa mabhodhi madiki akawanda mupaneru kunogara kuchiita kuti mari iwedzere here?

Kwete. Zvinogona kuderedza kubata kweseketi imwe neimwe kana marara emumarginal layout, asi zvinogona kuwedzera basa rekufambisa, matambudziko ekuoma, kukuvara kwekubvisa mapaneru kana kusvibiswa nekuramba. Enzanisa mayuniti akanaka nemari yekugadzira, kwete chete kuverengwa kwearray.

Mugadziri wePCB kana muunganidzi weSMT ndivo vanofanira kugadzira panel here?

Vese vanofanira kuongorora zvinodiwa. Mugadziri wezvinhu anonzwisisa panel yekugadzira uye zvipingamupinyi zvekufambisa zvinhu; muunganidzi anoziva mamiriro ekutumira zvinhu, stencil, reflow, inspection uye depaneling. Muridzi wekupedzisira array release anofanira kuzivikanwa mugwaro rekutenga.

Zviyero zvechitima zvakajairwa kana kudzika kwemamaki zvakachengeteka here kutevedzera?

Zvitore semienzaniso yenguva pfupi chete. Ukobvu hwebhodhi, zvinhu, chishandiso, nzvimbo yezvikamu uye zvinodiwa nemidziyo zvinosarudza zvinogamuchirwa.

Ko kubatana kweminwe negoridhe kunogona kupatsanurwa pamutsetse weV-score here?

Kana chete kana contact edge yakazara uye connector mechanics zvakachengetedzwa nemaitiro akatenderwa. Mutsetse wechiratidzo kuburikidza nenzvimbo yekubatana chaiyo haufanirwe kufungidzirwa kuti unogamuchirika pasina interface uye ongororo yekugadzira.

Kumbira Ongororo yeSmall-PCB Panelization

Tumira data rePCB rega rega, dhairekitori uye zvirambidzo zvekubatanidza, chirongwa chepaneru chiripo (kana chiripo), maitiro ekuparadzanisa anotarisirwa uye huwandu hwekutumira. Chirevo chekugadzira PCB chakanangana nepurojekiti chinogona kuona ruzivo rwusipo rwekuburitswa kwepaneru pane kungofungidzira chinyararire chimiro chakajairika che4 × 4.