Iyi dhairekitori yakazara inonyura mukati meiyo chaiyo yekugadzira maburi mumabhodhi emagetsi epamberi. Kunyangwe iwe uri kushanda pane yakapfava prototype kana yakaoma-akawanda-layer mabhodhi, kunzwisisa hudiki hwekudhirowa saizi uye masisitimu ekudhirowa kwakakosha pakubudirira kwako. Zvakakodzera kuverenga nekuti kuwana yako yekudhirowa paramita kurudyi kuchaderedza zvakanyanya mutengo, kudzivirira njodzi dzinowanzoitika, uye kuona kuti PCB yako inoita sezvakarongwa. Dzidza akakosha maficha ekuchera ayo anochengeta dhizaini yekumhanya-mhanya kushanda uye kugadzirwa pauriri hwechitoro chemazuva ano.
Paunotonga mutsara wekugadzira kana kugovera maturusi kuchitoro chakabatikana, kufanotaura ndizvo zvese. Iwe haugone kuwana drill snap yepakati-kutenderera. Iwe unofanirwa kunyatsoziva kuti drill inopindirana sei neplate. Mugwaro iri, tichapwanya ma mechanics e pcb drill, tiongorore zvipimo zvemichina yekuchera tekinoroji, uye tsanangura maitiro ekugadzirisa ako edunhu marongero.
Chii chaizvo chinonzi PCB drill uye nei masaizi ekudhirowa achikosha zvakanyanya?
Paunonyatsotarisa pabhodhi redunhu rakadhindwa, unoona mazana, dzimwe nguva zviuru, zvemaburi maduku. Kugadzira makomba aya zvakanaka, mafekitari anoshandisa chibooreso chePCB chakanyanya. A mwero pcb chibooreso inyanzvi yekucheka turusi yakagadzirwa zvachose kubva yakasimba carbide. Unogona kushamisika kuti nei tisingashandisi simbi yakajairwa. Chikonzero chiri nyore. Iyo fiberglass plate inoshandiswa kugadzira dunhu inotyisa zvinoshamisa. Ichagomara chibooreso chesimbi mumasekondi. Iyo yakasimba carbide drill inoramba yakapinza, ichicheka zvakachena kuburikidza negirazi nemhangura.
Kusarudza iyo chaiyo drill saizi ndechimwe chezvinhu zvakakosha zvePCB dhizaini. Saizi yedhiri uye zvinodiwa zvekuboorera zvaunosarudza zvinonyatso taura kuti zvinhu zvako zvekuburikidza neburi zvichakwana sei gare gare pamutsetse wegungano. Kana chibooreso chikaita gomba rakanyanya kusimba, vashandi vegungano havagoni kupinza zvikamu. Kana chibooreso chikagadzira gomba rakanyanya kutetereka, solder haibatike chikamu chinotungamira zvakachengeteka.
Kana ukasarudza zvisizvo zvibooresa saizi, iwe uchakurumidza kuwedzera mari yekugadzira. Panguva pcb kugadzira, mumwe CNC muchina anofanira muviri chinjanisa kunze chibooreso chimwe nechimwe siyana buri saizi. Nekudzikamisa huwandu hweakasarudzika saizi yekuchera mudhizaini yako, unomhanyisa maitiro ekuchera. Pese apo chibooreso chitsva chinotakurwa muchirungu, mukana wekukanganisa kwemuchina unokwira. Naizvozvo, kunhonga akakwana ekudhiraivha saizi kunoita kuti dunhu rako ripinde mukugadzirwa kwemazhinji zvakanaka. Unofanira kugara kuomerera mureza chibooreso saizi kuchengeta wako pcb zvokugadzira bhajeti yakaderera sezvinobvira.
Unoziva sei hudiki hwekuboora saizi yedunhu rako?
Yese pcb inogadzira inoshanda pasi pemiganhu yakasimba yemuviri. Hukuru hwechibooreso hudiki hunomirira chibooreso chidiki diki chavanogona kusunda nemubhodhi pasina kutyora chibooreso chacho pachacho. Kazhinji, akajairwa kugadzira hunyanzvi hunopa hudiki hwekudhirowa saizi inotangira kubva pa0.2 mm kusvika 0.3 mm yeyakajairwa mechanical yekuchera tekinoroji. Nekunzwisisa hudiki hwezvibooreso zvefekitori yako yaunosarudza, unozvidzivirira kubva kugadzira bhodhi iro pasina anogona kugadzira.
Kana saizi yako yegomba yakasarudzwa iri diki zvakanyanya, chibooreso chisina kusimba chinongotora nguva yachinobata ndiro yakaoma. Kutsiva chibooreso chakatyoka kunomisa kuchera kwese uye kunogona kuparadza inodhura yakadhindwa dunhu. Muchina uyu unofanirwa kumira, anoshanda anofanirwa kupindira, uye bhodhi ringangofanira kuraswa. Iri ndiro dambudziko rekugadzira zvakanaka. Kuti ukwidzise dhizaini yako, iwe unofanirwa chete kushandisa hudiki saizi paunenge uchifambisa zvinoshamisa nzvimbo dzakasimba dzebhodhi.
Kune zvimwe zvese pane marongerwo, shandisa makomba makuru. Chibooreso chakakura chakanyanya kuoma, izvo zvinochibvumira kutema gomba rakachena rakachena pasina kuzunguza. Gara uchitarisa iyo chaiyo dhizaini mitemo yakapihwa nefekitori yako kuti usimbise saizi yavo yediki yekudhirowa usati watumira prototype yako yekugadzira.
Ndehupi hukama pakati pehukuru hwechiboorero nekururama kwegomba?
Minimumum drill size and drill accracy inofambidzana pauriri hwechitoro. Gomba diki rekuchera rinodzungaira zviri nyore. Kana chibooreso charova bhurugwa rakaomarara regirazi faibha mukati mendiro, chibooreso chinoda kutsauka. Iwe unoda kushivirira kwakasimba kuti uve nechokwadi chekuti nzira yekuchera inorova iyo chaiyo inotarirwa nzvimbo pane yemhangura pad. Michina yakanaka yeCNC inochengetedza kushivirira kwakasimba ± 0.05 mm kwegomba rekuboora rakapedzwa. Kana chibooreso chikadzungaira kupfuura ichi, gomba rekubooresa rinogona kucheka zvachose dunhu riri pedyo, richiparadza zvemagetsi.
Kuti chibooreso chirambe chakatwasuka, mafekitari anoshandisa michina yakaomarara ine maspindle akakwirira-RPM. Ivo zvakare vanovimba nemhando yepamusoro yakasimba carbide zvishandiso seyedu Carbide Drills kuve nechokwadi kuti drill haizokotama pasi pekumanikidzwa. Pakaburi kadiki-diki, muchina unofambisa chibooreso ichi pasi zvishoma kuti usatyoke.
Naizvozvo, kushandisa saizi yakati kurei yekudhiraivha inonatsiridza yako yese yegomba kurongeka uye chaizvo inomhanyisa maitiro ekuchera. Chibooreso chakakora chinongokotama zvishoma. Inopinda mundiro nechivimbo. Kana iwe uchipa maturusi kuchitoro chakabatikana, kuvayeuchidza kuti vashandise chibooreso chakaomarara chekuisa chaiyo inogara iri nzira yekukunda.
Ko chikamu chechiyero chinokanganisa sei PCB kugadzira uye kudhirowa kusarudzwa?
Chiyero chechikamu chiyero chehukobvu hwebhodhi kune dhayamita yakasarudzwa yegomba. Ichi chakananga chiyero chinoita basa rakakosha muchikamu chinotevera chemhangura yeplating. Semuenzaniso, kana uine mwero 1.6 mm gobvu ndiro uye ukashandisa 0.2 mm chibooreso, aspect ratio yako i8:1. Huyero hwepamusoro mumapuranga akakora anoita kuti zvinyanye kunetsa kuisa yakavimbika ndarira mukati megomba rakadzika rekuchera. Zvinwiwa zvemakemikari zvinongotamburira kuyerera nemumadhayamita madiki akadaro.
Semutemo wakajairwa wechigunwe, iwe unofanirwa kuchengeta yako chiyero pazasi 10: 1 kuve nechokwadi chekugadzira chakavimbika. Kana chikamu chechiyero chakakwira zvakanyanya, chibooreso pachacho chinonetsekana kubvisa machipisi akachekwa kubva pagomba rakadzika rekuchera. Machipisi anorongedzerwa munyere dzechibhorani. Kukwesha uku kunopisa chibooreso nekukasira, kuchinyungudutsa epoxy resin mukati medhinda redunhu rakadhindwa.
Kuti udzivise kukuvara kwekupisa uku, vagadziri vanofanira nemaune kuwedzera gomba dhayamita kana kusarudza kushandisa ndiro yakatetepa. Kuenzanisa chiyero chechikamu chinova nechokwadi chekuti gomba rega rega rekuchera rinogashira yakakwana mhangura inoitisa mukati kuti igadzire dunhu rakasimba, rinoshanda. Makomba madiki anonetsa kupinza, saka gara uchifunga nezve kudzika kana ukasarudza chibooreso chako.
Ndeapi saizi yedrill uye zvinodikanwa zvekudhirowa zvepaburi-paburi zvikamu?
Kuburikidza ne-gomba zvinhu zvinoda zvakanyanya kudhirowa saizi uye zvinodiwa zvekudhirowa. Iwe haugone kufungidzira chiyero ichi. Iyo yekupedzisira gomba saizi inofanirwa kugarisa zviri nyore chikamu chemuviri chinotungamira, pamwe nekusiya nzvimbo yakakwana yemhangura yekugadzira. Kana iyo dhayamita yegomba yakanyanya kusimba, vashandi vegungano vanonetsekana nekupinza mushe uye solder yezvikamu. Iyo dhayamita yechibhorani inotarisa kuti chikamu chinodonha sei nyore mundiro.
Kuti uverenge izvi nemazvo, tora iyo yakakura yemuviri dhayamita yekutungamira kubva pane dhetabheti uye wedzera chekuchengetedza mvumo. Kazhinji, unoita gomba rekuboora chinangwa 0.3 mm rakakura kupfuura iro chairo chikamu chinotungamira. Semuyenzaniso, kana inorema resistor ine 0.4 mm lead, unofanira kunyatso shandisa 0.7 mm drill kugadzira gomba.
Kana chikamu chidiki chine 0.3 mm lead, shandisa 0.6 mm chibooreso. Aya masvomhu akasimba anoita kuti chikamu chinotungamira chikwane zvakakwana mushure mekunge kubikwa kwemhangura kwapera. Kupa mvumo yakakwana yekupfuura-gomba zvinodzivirira misoro mikuru yekusangana uye inoderedza kudhura rework pafekitori pasi. Chibooreso chekurudyi chinodzivirira mutobvu kubva pakusunga panguva yekupinza.
Vagadziri vePCB vanosarudza sei gomba rakakodzera dhayamita yevias?
Vagadziri vePCB vanoshandisa zvimiro zvidiki zvinodaidzwa kuti vias zvekubatanidza zvidimbu zvakasiyana-siyana zvebhodhi-layer board pamwechete. Sezvo vias isingabate chero chemuviri chinotungamira, gomba ravo dhayamita rinogona kuve diki pane chiyero chekuisa maburi. Standard vias vanowanzoshandisa 0.3 mm, 0.4 mm, kana 0.6 mm chibooreso. Kuchengeta iyo kuburikidza negomba dhayamita yakanyatso kuenderana mukati medhizaini yako kunorerutsa maitiro ekuchera zvakanyanya uye kunobatsira kudzikisira mitengo pachirimwa chekugadzira.
Nekudaro, zvigadziriso zvekumhanya zvakanyanya zvinoda kutariswa kwakanyanya. Iyo hombe kuburikidza negomba dhayamita inogona kuita senge antenna diki, ichigadzira parasitic capacitance iyo inoparadza kusimba kwechiratidzo. Naizvozvo, pcb vagadziri nguva dzose edza kushandisa diki zvinobvira chibooreso izvi dzinokosha routing vias. Chibooreso chidiki chinonatsiridza kutendeseka kwechiratidzo mune yakaoma multi-layer redunhu.
Iwe unofanirwa kugara uchienzanisa iyi chiratidzo chekuvimbika neyakajairwa kugadzira kugona kwechitoro chako. Saizi dzedhiri dzinoenderana kune ako ese asina-akakosha vias shuwa kuti dunhu rako rinoita zvisina mhosva uchiramba uchigadzirwa zvakanyanya. Mugadziri akangwara anonyatsoziva kuti ndeipi drill yekushevedzera kune yega yega nzira yechiratidzo.
Ndeipi nguva yaunofanira kushandisa laser drilling pachinzvimbo chemechani drill?
Mechanical drilling tekinoroji inopedzisira yarova madziro enyama ane maburi madiki. Kana saizi yako yegomba ichidonha pazasi 0.1 mm kusvika 0.2 mm, muchina haugone kushandisa simbi. Pachikero chemicroscopic ichi, chibooreso chemuchina hachina kusimba zvakanyanya pakugadzirwa kwakawanda. Apa ndipo chaipo apo laser drilling inotora basa. MaLaser anoshandisa matanda akanyanya kutariswa echiedza kuti apise gomba rekubooresa mukati meiyo yakadhindwa redunhu bhodhi zvinhu.
Laser drilling yakakosha pakugadzira micro-vias mune yepamusoro hdi (High-Density Interconnect) mabhodhi. Nepo zvechinyakare michini pcb chibooreso cheka nzira yose kuburikidza gobvu ndiro, Laser ndeye micro-vias kuti chete span imwe kana maviri akatetepa akaturikidzana. Nekuti mapofu uye akavigwa vias vanoshandisa lasers, havapindi bhodhi rose.
MaLaser anogona kunyudza girazi uye resin nekukurumidza pasina kukuvadza pasi pemhangura padhi. Nekudaro, nyeverwa: kuchera laser kuchawedzera mutengo wekugadzira zvakanyanya kana uchienzaniswa nekusundidzira yakajairwa mechanic drill kuburikidza nebhodhi. Naizvozvo, iwe unofanirwa chete kushandisa laser drilling yemicro-vias kana nzvimbo yekufambisa pandiro yakatenderwa zvachose kune yako compact yemagetsi.
Ndeupi musiyano uripo pakati pemhando dzemakomba akapfatwa neasina-plated?
In mwero pcb kugadzira, ucharamba kusangana maviri makuru marudzi makomba: pths (Plated kubudikidza Makomba) uye npths (Non-Plated kubudikidza Makomba). A pth igomba rekuboorera rinogashira simbi inorema pamadziro ayo emukati kuti ifambise magetsi kubva kumusoro kusvika pasi. Most vias nemakomba akagadzirirwa kuburikidza-gomba zvinoriumba vari pths.
Sezvineiwo, gomba risina kuputirwa, kana npth, rinongova gomba risina chinhu rakaboorwa rakananga mundiro yakapedzwa isina zvachose mhangura mukati. Mechanical mounting maburi anowanzo ari npths. Kana fekitari ichigadzirira kuchera pth, inofanira kushandisa chibooreso chakakura zvishoma pane yakumbirwa yegomba rekupedzisira saizi, nekuti iyo copper plating inowedzera ukobvu uye inoderedza dhayamita yekupedzisira.
An npth, zvisinei, inodhizirwa kuhukuru hwayo chaihwo pakupera kwekuita. Kune chero isina-yakaputirwa gomba rekuboorera, iwe unofanirwa kugara uchichengetedza nzvimbo pakati pemupendero wegomba uye chero iri pedyo mhenyu dunhu reki. Uku kucheneswa kwakakosha kunodzivirira simbi screws kubva mukupfupisa iyo inoshanda sedunhu kana ichipfuura nepakati npths kukwidza bhodhi kune chassis.
Kunzwisisa kudiki drill kunokwanisa sei dhizaini yako uye kuderedza mitengo?
Nokunzwisisa shoma chibooreso saizi miganhu yaunosarudza pcb mugadziri, iwe kiinura yenyu yakanakisisa mutengo-kuponesa turusi. Kana ukagadzira bhodhi rine maburi 0.15 mm, asi fekitori yako ichibhadharisa mari yakawanda yekuboora chero chiri pasi pe 0.2 mm, uri kungopambadza mari. Nekurisa iwo maburi chaiwo kusvika 0.2 mm kana kunyange 0.3 mm, iwe unodzikisa ipapo mutengo. Iwe unofanirwa kugara uchishandisa makomba akakura pazvinogoneka kuita kuti iyo yese yekuchera iite yakachipa uye nekukurumidza.
Uyezve, iwe unofanirwa kunamatira kune akajairwa drill saizi pane yako yese purojekiti. Panzvimbo pekushandisa zvisina tsarukano, musanganiswa wakashata we0.65 mm, 0.68 mm, uye 0.7 mm maburi, ingobatanidza ose kune mwero 0.7 mm chibooreso. Kubatanidza masaizi ekudhirowa zvine musoro zvinoreva kuti CNC muchina unomira nguva shoma kuti uchinje chibooreso.
PaDrillstar, tinopa ultra-precision Yakasimba Tungsten Carbide Tsvimbo kune vagadziri vezvishandiso chaizvo nekuti isu tinonyatsoziva kukosha kwakapinza, kusimba kudhiraivha kuita kuti basa rekuchera rishande. Zvakare, kuisa mari mune yakakodzera Drill Bit Kukuya Machine inobatsira zvitoro zvine vhoriyamu yakakura kuchengetedza machende akapinza pamadhiri avo. Natsiridza dhizaini yako nekufunga chaizvo senge machinist anomhanyisa dhizaini.
Kuti uve nechokwadi chekugadzira yako pcb inobudirira pamutsetse wegungano, tora nzira yakarongeka yekusarudza yega yega chibooreso dhayamita. Gara uchisiya 0.1 mm kune madiki madiki uye siya 0.2 mm kune akakura madhairekitori paunenge uchiisa saizi maburi ezvikamu zvako zvekupfuura-maburi, kana akakura kana zvichidikanwa kuti uve nechokwadi chekuenderana. Uyu muganho mudiki unobatsira kuvimbisa kuti lead inotsvedza mukati zvakakwana, kunyangwe iyo copper plating yakati pfuurei zvishoma pane zvaitarisirwa fekitori. Kubata kwakasimba kunogara kwakashata panguva yekubatanidza otomatiki.
Nguva dzose chengetedza mitemo yekugadzira yakabudiswa nefekitari yako. Simbisa saizi yako yakasarudzwa yegomba uchipesana nefekitori yakataurwa chimiro chechiyero, kunyanya kana uri kugadzirira mabhodhi akakora. Ita shuwa kuti vias ako ese ane mhete dzemhangura dzakakwana dzakatenderedza gomba rekuchera. Kana chibooreso chichidzungaira zvishoma kubva-pakati, mhete yemhangura yakaonda ichaputsika, ichiparadza zvachose dunhu.
Kudhirowa kwakaringana kunovimbisa kuenderera kwemagetsi mundiro yese. Nekugona izvi zvakakosha saizi yekudhirowa uye zvinodiwa zvekudhirowa, unovimbisa kuti magetsi ako haasi ekucheka-kumucheto chete asiwo anogadzirwa zvakanyanya munyika chaiyo. A smart drill strategy inovaka yakanakisa, yakavimbika ndiro! Kubva padiki diki-drill kusvika kune inoremaCemented Carbide Insert inoshandiswa kugadzira chassis, kunyatso shandisa ndiko kurova kwemoyo kwemazuva ano kugadzira magetsi.
Pfupiso: Zvinhu Zvikuru Zvokutora Zvekurangarira
- Carbide ndiye Mambo: Chibooreso chePCB chakajairwa chakagadzirwa kubva kune yakasimba carbide kuti ishingirire iyo yakanyanya abrasive fiberglass plate.
- Ziva Miganhu Yako: Hudiki hwesaizi yedrill iripo inoraira density yako yenzira; kuenda kudiki zvakanyanya kuchawedzera mutengo wekugadzira uye kutyora chibooreso.
- Accuracy Matters: Gomba diki rekuchera rinoda kushivirira kwakasimba kuitira kuti chibooreso chirege kudzungaira uye kupatsanura dunhu.
- Mind the Aspect Ratio: Makomba akadzika mumapuranga makobvu anonetsa kuputira; chengetedza reshiyo iri pazasi 10: 1 kuve nechokwadi chekuvharika kwemhangura mukati megomba.
- Component Clearance: Gara uchigadzira gomba ringaite 0.3 mm kukura pane chikamu chinotungamira kuti ubvumire kupinza nekusongesa kwakatsetseka.
- Vias vs. Mounting: Shandisa chibooreso chidiki che vias kuchengetedza chiratidzo chekuvimbika, asi shandisa chibooreso chakakura che npths kuti ugone kukwirisa hardware zvakachengeteka.
- Natsa Kuchengeta: Namatira kune akajairwa saizi kuderedza chishandiso shanduko uye kudzivirira zvakajairika misungo panguva yekugadzira kuitira kuti pcb yako iite sezvainoda.
