Ukuze uhlanganise i-PCB, udinga ukuqala ngokulungisa indawo yakho yokusebenza. Ngaphambi kokuthi uqale, hlola ibhodi ngokucophelela. Beka ingxenye ngayinye lapho ingeyakho futhi uthengise izingxenye ebhodini. Kubalulekile ukuhlola konke ukuxhumana ukuze uqinisekise ukuthi kusebenza kahle. Qinisekisa ukuthi unamathuluzi afanele nezinto zokwakha ngaphambi kokuthi uqale, njengoba izinkinga zingavela uma usebenzisa ukushisa okukhulu ngesikhathi senqubo yokuhlanganisa. Ukwengeza, ungakwazi ukumosha kalula uma uhlanganisa izikhombisi-ndlela zengxenye. Ukushoda kwejoyinti ye-solder kungaholela ezinkingeni futhi, futhi ungase uhlangabezane nezingxenye ezishile noma amabhuloho e-solder. Amaphutha avame ukwenzeka ngenxa yephutha lomuntu, ngakho ukuqaphela ngesikhathi somhlangano kubalulekile. Izici zemvelo nobudala nakho kungathinta ukusebenza kwe-PCB yakho. Ngokulungiselela ngokucophelela, ungavimbela izinkinga eziningi futhi ugcine iphrojekthi yakho isebenza kahle.
Ukulungiselela
Lungisa indawo yakho yokusebenza ngaphambi kokuthi uqale. Qoqa wonke amathuluzi nezinto zokwakha ozidingayo. Ukuhlela ngokucophelela kuyakusiza gwema amaphutha. Iphinde igcine iphrojekthi yakho iphephile.
Amathuluzi
Udinga amathuluzi ahlukene omhlangano we-PCB. Sebenza endaweni ehlanzekile enokukhanya okuhle. Qiniseka ukuthi igumbi linomoya omusha. Qoqa amathuluzi akho ngaphambi kokuthi uqale. Nali ithebula elibonisa amathuluzi avamile nalokho akwenzayo:
Uhlobo Lamathuluzi | Izinzuzo | nemiphumela ethile engathandeki |
|---|---|---|
Ama-SMT Tweezers | Inembile kakhulu, iyama, ayibizi | Izandla ziyakhathala, azilungele izingxenye ezincane |
Vacuum Khetha Amathuluzi | Umonakalo omncane, olungele izingcezu ezincane, ukumunca kungashintsha | Kunzima ukufunda, kubiza ngaphezu kwama-tweezers |
Amasistimu Wokukhetha Nendawo Manuwali | Ikhululekile ukuyisebenzisa, inamakhamera, isebenzela amabhodi amakhulu | Kubiza kakhulu, kudinga ukusethwa nokushunwa |
Udinga futhi i-soldering iron, i-solder wire, i-flux, nesikhulisi. Hlola ukuthi yonke into iyasebenza ngaphambi kokuyisebenzisa.
Materials
Khetha izinto ezifanele zomsebenzi wakho we-PCB. Bheka ingxenye ngayinye ukuze ubone ukuthi yephukile yini. Qiniseka ukuthi zonke izingxenye zihambisana nohlelo lwakho. Nali ithebula lezinto ezivamile:
Uhlobo Material | Incazelo |
|---|---|
Ingilazi ye-epoxy ene-copper | Okubalulekile kwe-PCB, ivumela ukugeleza kukagesi. |
FR4 | Ivala umlilo, iqinile, futhi ayibizi. |
Izinto ze-high-frequency | Isetshenziselwa amasekhethi asheshayo, njengochungechunge lwe-Rogers' RO4000. |
Aluminum | Isetshenziswa kuma-PCB e-LED izibani. |
I-Ceramic substrates | Isetshenziselwa izidingo ezikhethekile. |
Njalo hlola i-PCB ngaphambi kokuyakha. Bheka izikhindi nemigqa ephukile. Hlola imaski ye-solder. Hlanza ibhodi ukususa uthuli nokungcola.
Ukuphepha
Ukuphepha kubalulekile uma uhlanganisa i-PCB. Zivikele wena nendawo yakho ngokulandela lawa macebiso:
Gqoka izibuko noma izibuko ukuze uvikele amehlo akho.
Gqoka amagilavu uma usebenzisa amakhemikhali noma i-solder.
Sebenza ngaphansi kwesivalo ukuze ususe intuthu.
Gcina izinto eziyingozi emabhokisini avaliwe.
Hlanza indawo yakho ngezinto ezesula ezenzelwe izinsimbi ezisindayo.
Sebenzisa amabhande asesihlakaleni namacansi ukumisa ukushaqeka okumile.
Ungadli noma uphuze eduze kwendawo osebenzela kuyo.
Ithiphu: Hlala uthinta phansi ngaphambi kokubamba izingxenye ezibucayi. Ukushaqeka okuqinile kungalimaza i-PCB yakho nezingxenye zayo.
Qiniseka ukuthi igumbi linomoya omuhle ukuze umise ukushisa ngokweqile. Ukulawula ukushisa okubi kungaphula izingxenye. Sebenzisa amasinki okushisa kanye ne-thermal vias uma uwadinga.
I-Soldering Basics
Izinhlobo ze-Solder
Uzothola izinhlobo eziningana ze-solder lapho uhlanganisa i-PCB. Uhlobo ngalunye lunephuzu lokuncibilika elihlukile kanye nokusetshenziswa. Nazi izinhlobo eziyinhloko:
I-Tin-Lead Solder (Sn-Pb): Iyancibilika ku-183°C. Lolu hlobo kulula ukusebenza ngalo kodwa luqukethe umthofu, onobuthi.
I-Lead-Free Solder (SAC305): Incibilika cishe ku-217°C. Izinto eziningi zikagesi zisebenzisa lolu hlobo manje ngoba luphephe kakhudlwana kuwe nakwindawo ezungezile.
Isiliva Solder: Inephuzu lokuncibilika eliphakeme kunesoda yomthofu kathayela. Uyisebenzisela amalunga aqinile nezinhlelo zokusebenza ezikhethekile.
I-Low-Temperature Solder (Sn42/Bi58): Iyancibilika emazingeni okushisa aphansi. Isiza ukuvikela izingxenye ezibucayi ekushiseni.
I-High-Temperature Solder: Isebenza ezindaweni ezimbi kakhulu lapho ukushisa kuyinkinga.
I-solder engenamthofu iphephe kakhudlwana kuwe neplanethi. Ayiqukethe izinto eziyingozi, kodwa udinga ukusebenzisa amazinga okushisa aphezulu uma usebenza nayo.
Amasu Okuthengisa
Udinga ukulandela izinyathelo eziyisisekelo zokuhlanganisa ukuze uthole amalunga aqinile, ahlanzekile. Nansi inqubo elula:
Lungiselela indawo yakho yokusebenza. Setha itafula elihlanzekile elinokukhanya okuhle futhi ugcine amathuluzi akho eseduze.
Gcoba ichopho lensimbi yakho yokuhlanganisa. Faka ungqimba oluncane lwe-solder ichopho ukusiza ukudlulisa ukushisa.
Shisisa ilunga, hhayi i-solder. Thinta insimbi ku-pad bese uhola imizuzwana engu-2-3 ngaphambi kokufaka i-solder.
Faka i-solder. Yondla i-solder ekuhlanganyeleni kuze kube yilapho igeleza futhi ivala iphedi.
Hlola ukujoyina. Bheka isiphetho esicwebezelayo, esibushelelezi. Gwema imifantu, izikhala, noma izindawo ezibuthuntu.
Izinkinga ze-solder ezijwayelekile zihlanganisa amalunga abandayo, amabhuloho e-solder, namaphedi aphakanyisiwe. Ungakuvimbela lokhu ngokusebenzisa inani elifanele lokushisa nokugcina indawo yakho yokusebenza ihlanzekile.
Cleaning
Ukuhlanza ibhodi lakho ngemva kokusoda kususa i-flux futhi kugcina iphrojekthi yakho ithembekile. Ungasebenzisa izindlela ezahlukene:
Indlela Yokuhlanza | Incazelo | Amathuluzi/Izincibilikisi Ezisetshenzisiwe | Izinzuzo/Amanothi |
|---|---|---|---|
Ukuhlanza Ngokuzenzela | Ilungele imisebenzi emincane nama-prototypes. | Amabhulashi athambile, ama-lint-free wipes, utshwala be-isopropyl | Iqondile, kodwa kuthatha isikhathi. |
Ultrasonic Cleaning | Isebenzisa amaza omsindo ukuhlanza amabhodi ayinkimbinkimbi. | Izihlanzi ezine-aqueous noma i-semi-aqueous | Kuyashesha, kodwa kungalimaza izingxenye ezibucayi. |
Automated Cleaning Systems | Kuhle kakhulu kumaqoqo amakhulu. | Uketshezi olunjiniyela, isifutho emoyeni noma amasistimu wokucwiliswa | Ukungaguquguquki, kusindisa abasebenzi, kuthuthukisa ukwethembeka. |
Hlanza njalo i-flux esele. Uma ushiya izinsalela, kungabangela amasekhethi amafushane noma ukuxhumana okubuthakathaka. Sebenzisa i-isopropyl alcohol kanye nebhulashi elithambile emisebenzini eminingi. Qiniseka ukuthi amathuluzi akho ahlala ehlanzekile ukuze ugweme amaphutha.
Hlanganisa i-PCB: Isinyathelo ngesinyathelo
Isicelo se-Solder Namathisela
Uqala inqubo ngokusebenzisa i-solder pads kumaphedi e-PCB. Lesi sinyathelo sibalulekile ngoba sisiza izingxenye ukuthi zinamathele futhi ziqinisekise ukuxhumana okuhle kukagesi. Abantu abaningi basebenzisa indlela yokuphrinta isikrini kulo msebenzi. Nansi indlela oyenza ngayo:
Beka i-stencil phezu kwe-PCB yakho. I-stencil inezimbobo ezihambisana namaphedi ebhodini lakho.
Sebenzisa i-squeegee blade ukuze usakaze unamathisele we-solder ngaphesheya kwe-stencil. I-paste idlula emigodini futhi ihlale kuma-pads.
Lawula isivinini se-squeegee, ingcindezi, ne-engeli. Lezi zilungiselelo zikusiza ukuthi uthole isendlalelo sokunamathisela esihlanzekile nesilinganayo.
Cindezela i-squeegee ngokuqinile ukuze usule i-stencil ihlanzekile. Lokhu kuvimbela unamathisele owengeziwe ekugcobeni.
Gcina i-stencil ixhumene ne-PCB ukuze uthole imiphumela engcono kakhulu. Lokhu kubizwa ngokuthi “on-contact” printing.
Hlanza i-stencil njalo. Lokhu kugcina izimbobo zicacile futhi kugwema amaphutha.
Ithiphu: Hlola ukunamathisela kwe-solder ngemva kokuphrinta. Sebenzisa isikhulisi noma ithuluzi lokuhlola le-2D/3D ukuze ubone noma yiziphi izinkinga kusenesikhathi.
Izingxenye ze-Surface Mount
Okulandelayo, ubeka i-surface mount components (SMT) ku-solder unama. Lesi sinyathelo sidinga ukunakekelwa nokunakwa. Landela le mikhuba ehamba phambili:
Shiya isikhala esanele phakathi kwengxenye ngayinye. Lokhu kubavimba ukuthi bangathinti noma babangele izinkinga ngesikhathi sokusoda.
Hlela zonke izingxenye ngendlela efanayo. Lokhu kwenza kube lula ukuzibeka futhi kusiza uma usebenzisa umshini wokukhetha nendawo.
Gcina izingxenye ezizwela ukushisa zikude nezindawo ezishisayo noma izingxenye zamandla.
Engeza omaka be-fiducial ku-PCB yakho. Lawa mamaki amancane asiza imishini ukuthi ibeke izingxenye endaweni efanele.
Khetha ubukhulu be-stencil obufanele bezingxenye zakho. Ama-stencil aminyene asebenzela izingxenye ezinkulu, kanti azacile afanelana nezingxenye ezincane.
Qondanisa izimbobo zestencil nosayizi bephedi. Lokhu kusiza ukunamathisela ukukhipha ngokuhlanzekile.
Shiya igebe elincane (okungenani u-0.1 mm) phakathi kwe-solder mask namaphedi.
Sebenzisa ama-stencil ensimbi engagqwali anemiphetho ye-laser-cut ukuze uthole ukuphrinta okucijile, okuhlanzekile.
Ngemuva kokubeka izingxenye, udinga ukuzithengisa. Abantu abaningi basebenzisa i-oven yokugeleza kabusha kulokhu. Inqubo inezigaba ezine eziyinhloko:
Ukushisa: Kufudumeza ibhodi kancane. Lokhu kwenza i-flux isebenze futhi isuse umswakama.
Cwilisa: Bamba ibhodi ezingeni lokushisa elizinzile. Lokhu kusabalalisa ukushisa ngokulinganayo.
Ukugeleza kabusha: Phakamisa ukushisa ukuze uncibilikise unamathisele we-solder. I-solder igeleza futhi ixhuma izingxenye ebhodini.
Ukupholisa: Vumela ibhodi liphole ngezinga eliqinile. Lokhu kuqinisa amalunga e-solder.
Qaphela: Njalo hlola ibhodi ngemva kokugeleza kabusha. Bheka izingxenye ezilahlekile, amabhuloho athengiswayo, noma amalunga abandayo.
Izingxenye Zembobo
Ngemva kokuqeda ngezingxenye ze-SMT, udlulela kuzingxenye zembobo. Lezi zingxenye zinemikhondo ehamba ngezimbobo ku-PCB. Nawa amathiphu angakusiza:
Setha i-ayina yakho ye-soldering ezingeni lokushisa elilungile. Ukushisa okukhulu kungalimaza izingxenye, kuyilapho okuncane kakhulu kungabangela amalunga abuthakathaka.
Solder ukuhola ngakunye ngesikhathi. Shisisa iphedi nomthofu, bese wengeza i-solder kuze kube yilapho igeleza izungeze ukujoyina.
Hlola ilunga ngalinye ngeso. Bheka ukuxhumana okucwebezelayo, okubushelelezi. Nyakazisa ingxenye ngobumnene ukuze uqiniseke ukuthi ivikelekile.
Sebenzisa i-solder engenamthofu uma kungenzeka. Khumbula, iyancibilika ekushiseni okuphezulu kune-solder enomthofu.
Vikela izingxenye ezizwelayo kugesi omile. Gqoka ibhande esihlakaleni futhi usebenze kumata aphikisana ne-static.
Ithiphu: Thatha isikhathi sakho ngezingxenye eziphuma emgodini. Ukujaha kungaholela emaphutheni noma amabhodi alimele.
Ukunikezwa kwamandla kuqala
Uma u hlanganisa i-pcb, qala njalo ngesigaba sokuphakela amandla. Lesi sinyathelo sibalulekile ngenxa yezizathu ezimbalwa:
Ungathola amaphutha kusenesikhathi, ngaphambi kokwengeza izingxenye ezengeziwe.
Wonga isikhathi nemali ngokulungisa izinkinga ngaphambi kokuthi ibhodi ligcwale.
Ungahlola amasekethe amafushane futhi uqiniseke ukuthi amandla asebenza njengoba kuhleliwe.
Ngemva kokudayisa izingxenye zokuphakela amandla, xhuma amandla bese ukala okukhiphayo. Qiniseka ukuthi i-voltage kanye nezamanje zihambisana nomklamo wakho. Uma uthola inkinga, yilungise ngaphambi kokuthi uqhubeke.
Ukuhlola Nokuhlola
Lapho usuqedile ukuhlanganisa, kufanele uhlole umsebenzi wakho. Ukuhlola nokuhlola kukusiza ukubamba amaphutha futhi uqiniseke ukuthi ibhodi lakho liyasebenza. Nazi izindlela ezijwayelekile:
Indlela Yokuhlola/Yokuhlola | Incazelo |
|---|---|
Ukuhlola Okubonakalayo | Bheka amaphutha njengezingxenye ezingabekwanga kahle noma amajoyinti amabi e-solder. |
Ukuhlola Okuzenzakalelayo Okubonakalayo (AOI) | Sebenzisa amakhamera ukuze ubone okungalungile ngokushesha nangokunembile. |
Ukuhlolwa kwe-X-ray | Hlola amalunga afihliwe kanye nezendlalelo zangaphakathi, eziwusizo kumabhodi ayinkimbinkimbi. |
Ukuhlolwa Kwesekethe (ICT) | Hlola ingxenye ngayinye nokuxhumana ukuze uqiniseke ukuthi ziyasebenza futhi zisendaweni efanele. |
Ukuhlolwa Okusebenzayo | Qalisa ibhodi njengoba lizosebenza empilweni yangempela ukuze ubone ukuthi liyawenza yini umsebenzi walo. |
Ukuhlola Ukushiswa | Gcizelela ibhodi ngokusetshenziswa kanzima ukuze uthole ukwehluleka kwangaphambi kwesikhathi. |
Qaphela: Izinkampani eziningi zilandela amazinga e-IPC ukuze zihlolwe. Lawa mazinga akusiza ukuthi wenze isiqiniseko sokuthi amabhodi akho aphephile futhi anokwethenjelwa.
Kufanele njalo uhlole futhi avivinye ngemva kokuhlanganisa pcb. Ukuhlola ngokucophelela kukusiza ukuthi uthole izinkinga ngaphambi kokuthi zidale izinkinga ezinkulu.
Ukuxazulula izinkinga nokusebenza kabusha
Izinkinga Ezivamile
Ungase ungene ezinkingeni lapho wakha i-PCB. Uma wazi ukuthi yini okufanele uyibheke, ungalungisa izinto ngokushesha. Ezinye izinkinga ezijwayelekile yilezi:
Ukushoda kwe-Supply chain kungabambezela iphrojekthi yakho noma kukwenze usebenzise ezinye izingxenye.
Amaphutha okuklama nokukhiqiza angenza ibhodi lakho liyeke ukusebenza noma lenze ngendlela exakile.
Ukuphatha okushisayo okungalungile kungenza izinto zishise kakhulu futhi kuziphule.
Izinkinga zekhwalithi ye-Solder zingabangela amalunga abuthakathaka noma amabhuloho.
Usayizi we-PCB, umumo, nokuba yinkimbinkimbi kungenza ukwakha kube nzima futhi kuholele emaphutheni amaningi.
Ukuze ulungise izinkinga, qala ngokuhlola okulula. Sebenzisa i-multimeter ukuze ubheke izikhindi noma amasekhethi avuliwe. I-oscilloscope ikuvumela ukuthi ubone ukuthi amasignali abukeka kahle yini. Ikhamera eshisayo ikubonisa ukuthi yiziphi izingxenye ezishisa kakhulu. Abahloli abakhethekile namathuluzi angaphakathi kwesekhethi akusiza ukuthi uthole amaphutha ngaphandle kokukhipha izingxenye.
Ithiphu: Hlala ubheka izimpawu zenkinga, njengezindawo ezishile, amaphedi aphakanyisiwe, noma izingxenye ezingekho.
I-Desoldering
Ngezinye izikhathi kufanele uthathe ingxenye. Uma wenza lokhu ngokucophelela, ngeke ulimaze i-PCB yakho. Nazi izindlela eziphephile zokukwenza:
Sebenzisa i-soldering iron kanye ne-solder sucker ndawonye. Shisisa ilunga bese ukhipha isolder ngenkathi uhambisa kancane umlenze wengxenye.
Sika umlenze ngamunye wengxenye ngama-side cutters, bese uhlukanisa imilenze eyodwa ngesikhathi. Lokhu kugcina izimbobo ziphephile.
Ezingxenyeni ezinkulu, sebenzisa ithuluzi lomoya oshisayo ukushisa yonke imilenze ngesikhathi esisodwa. Uma ungayidingi ingxenye, yinqume kuqala bese ukhipha imilenze.
Sebenzisa i-desoldering braid ukucwilisa i-solder eyengeziwe. Lokhu kukusiza ukuthi uphakamise ingxenye.
Hamba kancane futhi ungadonsi izingxenye. Uma ushesha, ungaphakamisa amaphedi noma uphule imikhondo.
Ukuhlolwa kokugcina
Ngemva kokuqeda ukulungisa noma ukwakha, hlola njalo ibhodi lakho okokugcina. Landela lezi zinyathelo ukuze uqinisekise ukuthi ibhodi lakho liyasebenza:
Bheka ibhodi izikhindi, imigqa ephukile, noma izingxenye endaweni engafanele.
Vula ibhodi bese uhlola i-voltage.
Hlola ukunikezwa kwamandla ngomthwalo ukuze uqiniseke ukuthi kuhlala kuzinzile.
Yakha futhi uvivinye ingxenye ngayinye yesekhethi, uqale ngezingxenye ezingenzi lutho.
Sebenzisa umenzi wesignali noma ukunikezwa kwamandla ukuze wenze sengathi izingxenye ezingekho uma udinga.
Qalisa umthwalo ogcwele kanye nokuhlolwa kwemvelo ukuze ubone ukuthi ibhodi lithembekile yini.
Ungasebenzisa leli thebula ukuze usize ngezivivinyo zakho zokugcina:
test | Inqubo | Injongo |
|---|---|---|
Ukuzihlola kwamandla | Vula amandla futhi uhlole ama-voltage | Qiniseka ukuthi ibhodi liyaqala futhi liyasebenza |
Ukuqinisekisa okusebenzayo | Yenza sengathi usebenzisa amasignali | Qiniseka ukuthi yonke into isebenza kahle |
Ukuhlolwa kokucindezeleka kwemvelo | Hlola ezindaweni ezahlukene | Bheka ukuthi ibhodi lisebenza ngaphansi kwengcindezi |
Ukuxhumana interface | Xhuma amadivayisi futhi uhlole ukugeleza kwedatha | Qiniseka ukuthi idatha ihamba njengoba kufanele |
Ukuhlolwa kwe-Firmware/software | Layisha bese usebenzisa isoftware | Qiniseka ukuthi isofthiwe isebenza kahle |
Qaphela: Ukuhlola kokugcina ngokucophelela kukusiza ukuthi uthole izinkinga ngaphambi kokuthi ibhodi lakho lisetshenziswe. Lesi sinyathelo songa isikhathi sakho nomzamo.
Ungahlanganisa i-PCB ngokulungisa indawo yakho yokusebenza. Solder izingxenye ebhodini. Hlola uxhumano ngalunye ukuze uqiniseke ukuthi luyasebenza. Thatha isikhathi sakho futhi uqhubeke nokuzilolonga ukuze ugweme amaphutha. Hlola ibhodi lakho eduze ukuze lisebenze kahle. Uma unephrojekthi enkulu, ungase ufune usizo oluvela endlini yochwepheshe ye-PCB. Lezi ezinye izizathu ezinhle:
Zuza | Incazelo |
|---|---|
Ukonga Isikhathi | Uqeda ngokushesha futhi ufike emakethe ngokushesha. |
Ukufinyelela Kulwazi | Ochwepheshe basebenzisa amathuluzi akhethekile futhi bazi okuningi. |
Inventory Encishisiwe | Amasevisi we-Turnkey athola izingxenye futhi anciphise udoti. |
Ukuhlolwa Okuphelele | Ukuhlolwa kwekhwalithi kuqinisekisa ukuthi ibhodi lakho lisebenza kahle. |
Ukungafinyeleli | Ungenza amabhodi amaningi uma uwadinga. |
Ungaba ngcono ngokulebula zonke izingxenye ukuze wazi ukuthi ziyini. Bheka umklamo wakho ngaphambi kokuthi uqale. Khetha abahlinzeki obathembayo ngezingxenye zakho. Thola imihlahlandlela ethuthuke kakhulu ukuze ufunde mayelana nokuhlanganisa i-PCB nokuthi ungayenza kanjani.
Imibuzo Evame Ukubuzwa
Yini okufanele ngiyenze uma ngenza iphutha le-soldering?
Yima futhi uvumele ibhodi lipholile. Sebenzisa i-solder sucker noma i-desoldering braid ukuze ususe i-solder eyengeziwe. Zama futhi ngezandla ezithambile neziqinile. Njalo hlola umsebenzi wakho ngesikhulisi.
Ngingakwazi ukuhlanganisa i-PCB ngaphandle kwemishini ekhethekile?
Yebo, ungakha i-PCB ngesandla usebenzisa amathuluzi ayisisekelo njengensimbi yokunamathisela, ama-tweezers, kanye nesikhulisi. Imishini isiza ngesivinini nokunemba, kodwa ungakwazi ukuqeda amaphrojekthi amancane ngaphandle kwawo.
Ngazi kanjani uma i-PCB yami isebenza ngemva komhlangano?
Hlola isigaba ngasinye nge-multimeter. Hlola i-voltage elungile futhi azikho izikhindi. Nika amandla ibhodi futhi ubone ukuthi lisebenza njengoba bekuhleliwe. Uma ubona amaphutha, hlola ibhodi futhi ulungise noma yiziphi izinkinga.
Iyiphi indlela engcono kakhulu yokugwema ukulimala okumile?
Gqoka ibhande lesihlakala eliphikisana ne-static futhi usebenze kumata aphikisayo. Thinta into ephansi ngaphambi kokuphatha izingxenye. Gcina indawo yakho yokusebenza ihlanzekile futhi yomile ukuze uvikele izingxenye ezibucayi.
Ingabe ngidinga ukuhlanza i-PCB yami ngemva kokuhlanganisa?
Yebo, kufanele uhlanze noma yikuphi ukugeleza okusele. Sebenzisa i-isopropyl alcohol kanye nebhulashi elithambile. Ukuhlanza kusiza ukuvimbela ukugqwala futhi kugcina ibhodi lakho lisebenza kahle.
