Izinamatheliso Zokufaka Isicelo Se-Bonding
Ama-Adhesive ahlinzeka ngesibopho esiqinile ngesikhathi sokuhlanganisa ama-electronics kuyilapho evikela izingxenye emonakalweni ongase ube khona.
Izinto ezintsha zakamuva embonini yezogesi, njengezimoto ezixubile, amadivaysi e-elekthronikhi eselula, izinhlelo zokusebenza zezokwelapha, amakhamera edijithali, amakhompyutha, ezokuxhumana ngocingo ezivikelayo, nama-earphone angokoqobo e-augmented, athinta cishe yonke ingxenye yempilo yethu. Izinamatheliso zikagesi ziyingxenye ebalulekile yokuhlanganisa lezi zingxenye, ezinohlu lobuchwepheshe bokunamathela obuhlukahlukene obutholakalayo ukubhekana nezidingo ezithile zohlelo lokusebenza.
Izinamathiselo zinikeza isibopho esiqinile kuyilapho zivikela izingxenye emiphumeleni elimazayo yokudlidliza ngokweqile, ukushisa, umswakama, ukugqwala, ukushaqeka komshini, nezimo zemvelo ezimbi kakhulu. Baphinde banikeze izakhiwo ezishisayo nezisebenza ngogesi, kanye namakhono okwelapha e-UV.
Ngenxa yalokho, izinto zokunamathisela ze-elekthronikhi ziphumelele esikhundleni sezinhlelo eziningi zendabuko zokunamathisela. Izinhlelo zokusebenza ezijwayelekile lapho lezi zinamathiselo zingasetshenziswa ekuhlanganiseni kwe-elekthronikhi zihlanganisa ukuvala ubuso ngaphambi kokumbozwa ngokusemthethweni, osinki okushisa, izinhlelo zokusebenza zemoto kagesi, ukuxhunywa kwentambo ye-fiber optic, kanye ne-encapsulation.
Ukufihla ubuso ngaphambi kokugqoka okuhlelekile
I-Conformal coating iwubuchwepheshe befilimu ye-polymeric esetshenziswa ebhodini lesekethe eliphrintiwe elibucayi (PCB) ukuze livikele izingxenye zalo ekudlidlizeni, ekugqwaleni, kumswakama, uthuli, amakhemikhali, nezingcindezi zemvelo, njengoba lezi zici zangaphandle zinganciphisa ukusebenza kwezingxenye ze-elekthronikhi. Lonke uhlobo lokumboza (isb, i-acrylic, i-polyurethane, i-water-based, kanye ne-UV-therapy) lusebenza ngokuvumelana nezakhiwo zalo eziqondile ezindaweni ezahlukene lapho i-PCB isebenza khona. Ngakho-ke, kubalulekile ukukhetha into engcono kakhulu yokugqoka ukuze uthole ukuvikelwa okudingekayo.
Ukufihla ubuso kuyinqubo esetshenziswa ngaphambi kokumbozwa ngokusemthethweni evikela izifunda ezithile zama-PCB ukuthi zingagcotshwa, okuhlanganisa izingxenye ezizwelayo, ubuso be-LED, izixhumi, izikhonkwane, nezingosi zokuhlola lapho ukuqhubeka kukagesi kufanele kugcinwe khona. Lezi kumele zihlale zingagqokile ukuze zenze imisebenzi yazo. Amamaski acwecwayo ahlinzeka ngokuvikeleka okuhle kakhulu kwezindawo ezivinjelwe ngokuvimbela ukungenwa kwezingubo ezihambisanayo kulezi zindawo.
Inqubo yokufihla ubuso inezinyathelo ezine: ukufaka isicelo, ukuphulukiswa, ukuhlolwa, nokususwa. Ngemva kokufaka umkhiqizo wokufihla ubuso owelapheka nge-UV ezingxenyeni ezidingekayo, welapheka ngokuphelele ngemizuzwana elandela ukuchayeka ekukhanyeni okubonakalayo kwe-UV. Ukwelashwa okusheshayo kuvumela amabhodi esekethe ukuthi acutshungulwe ngokushesha. Ngemva kokucwiliswa, ukufutha, noma ukusetshenziswa kwesandla kwentokozo evumelanayo, imaski iyaxetshulwa, kushiye indawo esele nengenakungcola. Ukufihla ubuso kungabuyisela ngempumelelo izindlela ezivamile ezidla isikhathi.
Indlela yokufaka imaski ibaluleke kakhulu. Uma umkhiqizo usetshenziswa kabi, ngisho noma kuyisinqumo esifanele, ngeke unikeze ukuvikeleka okwanele. Ngaphambi kokufaka isicelo, kuyadingeka ukuhlanza indawo engaphezulu ukuze ugweme ukungcola kwangaphandle kanye nokuhlela kusengaphambili ukuthi yiziphi izindawo zebhodi ezidinga imaski. Izindawo ezizwelayo ezingadingi ukumbozwa kufanele zimbozwe. Imikhiqizo yokufihla ubuso itholakala ngemibala ebonakala phezulu njengophinki, oluhlaza okwesibhakabhaka, olunhlaka, noluhlaza.
Ukukhipha ngesandla noma okuzenzakalelayo kulungele uhlelo lokusebenza lokufihla. Uma ukumbozwa ngesandla, imaski akufanele isetshenziswe kakhulu. Ngokufanayo, ukufaka isicelo ngokweqile kuyingozi engaba khona lapho kufakwa ibhulashi. Lapho isicelo siphela, kungakhathaliseki indlela yokufaka isicelo, i-masking kufanele isuswe uma ibhodi isomile.
Okunamathiselwe kwiSink Yokushisa
Njengoba izinto ze-elekthronikhi ziba zincane, amandla nokushisa okuhambisanayo ezikusebenzisayo kuya kugxila kakhulu futhi kufanele kuhlakazwe, okwenza ukudluliswa kokushisa kubaluleke kakhulu. I-heater sink iyisisetshenziswa sokuqeda ukushisa esihlanganisa isisekelo namafins. Lapho i-chip ishisa, usinki wokushisa uhlakaza ukushisa ukuze i-chip igcine izinga lokushisa elifanele. Ngaphandle kosinki wokushisa, ama-chips angashisa kakhulu futhi abhubhise yonke isistimu.
Izinamatheliso zikasinki wokushisa ziklanyelwe ukuhlanganisa osinki bokushisa ezingxenyeni zikagesi namabhodi wesekethe ukuze kuqedwe ukushisa. Le nqubo idinga ukuqhutshwa kokushisa okuphezulu kanye nezibopho eziqinile zesakhiwo, futhi lezi zinamathiselo zidlulisa ngokushesha nangokuphumelelayo ukushisa kude nezingxenye zamandla kuya kusinki wokushisa. Izicelo zokuhlanganisa usinki wokushisa zivamile kumakhompyutha, ezimotweni zikagesi, iziqandisi, izibani ze-LED, omakhalekhukhwini, namadivayisi enkumbulo.
Izinamatheliso zikasinki wokushisa zingasetshenziswa kalula ngama-syringe noma imishini yokukhipha. Ngaphambi kokufaka isicelo, ingaphezulu lengxenye kufanele lihlanzwe kahle futhi ngendlela efanele ngendwangu ehlanzekile kanye ne-solvent efanele. Ngesikhathi sokufaka isicelo, i-adhesive kufanele igcwalise ingxenye yendawo ngokuphelele, ingashiyi igebe lomoya, okuholela ekushiseni kokushisa ngaphakathi kwendawo ebiyelwe. Le nqubo ivikela amasekhethi e-elekthronikhi ekushiseni ngokweqile, ikhulise ukusebenza kahle, inciphise izindleko, futhi ithuthukise ukuthembeka komkhiqizo.
I-Magnet Bonding ku-Electric Motors
Amamotho kagesi adlala indima ebalulekile ekuphileni kwethu kwansuku zonke, ukuthola ukusetshenziswa ezimotweni zikagesi (isb., izimoto, amabhasi, izitimela, izindiza zamanzi, izindiza zezindiza, nezinhlelo zesitimela esingaphansi komhlaba), imishini yokuwasha izitsha, izixubho zikagesi, amaphrinta ekhompuyutha, izicoci ze-vacuum, nokuningi. Ngenxa yokuthambekela okuqinile ezimotweni zikagesi embonini yezokuthutha, iningi lengxoxo yesimanje kulowo mkhakha ihlanganisa umqondo wokushintsha injini eyinhloko esebenzisa igesi ngenguqulo kagesi.
Ngisho nasezimotweni ezinezinjini ezivuthayo, inqwaba yamamotho kagesi ayasebenza, okwenza yonke into isebenze kusukela kumawindshield kuya kokhiye bakagesi nabalandeli be-heater. Izinamathiselo nama-sealant zithola ukusetshenziswa okuningi kuwo wonke amamotho kagesi kulezi zingxenye, ikakhulukazi ekubophweni kazibuthe, ama-bearings abambayo, ukudala ama-gaskets, namabhawudi afaka injini aloqayo.
Ama-magnets ahlanganiswe endaweni nge-adhesives ngezizathu eziningana. Okokuqala, ukwakheka kukazibuthe kuyaphuka futhi kungaphansi kokuqhekeka ngaphansi kwengcindezi. Ukusebenzisa iziqeshana noma izixhumi zensimbi akukhuthazwa ngoba lezi zindlela zigxila ekucindezelekeni zibe amaphuzu akuzibuthe. Ngokuphambene, ama-adhesive ahlakaza izingcindezi zokubopha ngokulinganayo ngaphezulu kobuso bebhondi. Okwesibili, noma yisiphi isikhala phakathi kwezinsimbi zensimbi nomazibuthe sivumela ukudlidliza, okuholela ekwandeni komsindo nokuguga ezingxenyeni. Ngakho-ke izinto zokunamathisela zikhethwa ukuze kuncishiswe umsindo.
Potting kanye Encapsulation
Ukubumba kuyinqubo yokugcwalisa ingxenye ye-elekthronikhi nge-resin ewuketshezi efana ne-epoxy, i-silicone, noma i-polyurethane. Le nqubo ivikela izinto zikagesi ezibucayi njengezinzwa eziphrintiwe, izinsiza zikagesi, izixhumi, amaswishi, amabhodi esekethe, amabhokisi okuhlanganayo, nama-electronics amandla ngokumelene nezinsongo ezingaba khona zemvelo, okuhlanganisa: ukuhlaselwa kwamakhemikhali; umehluko wengcindezi okungenzeka ku-spacecraft noma endizeni; ukushaqeka okushisayo nangokwenyama; noma izimo ezifana nokudlidliza, umswakama, nomswakama. Lezi zinsongo zingalimaza kakhulu futhi zicekele phansi lezi zinhlobo zezinto zikagesi ezibucayi.
Lapho i-resin isetshenzisiwe, yomisiwe, futhi iphulukisiwe, izingxenye ezimboziwe zivikelekile. Kodwa-ke, uma umoya uvaleleke ku-compound yokupheka, ukhiqiza amabhamuza omoya aholela ezinkingeni zokusebenza engxenyeni eqediwe.
Ku-encapsulation, ingxenye kanye ne-resin eqinile iyasuswa ebhodweni futhi ifakwe emhlanganweni. Njengoba izinto ze-elekthronikhi ziqhubeka nokuncipha, i-encapsulation iba nesidingo kakhudlwana ukwenza izakhi zangaphakathi ziqine futhi zizibambe endaweni.
Ngenkathi kunqunywa ukuthi iyiphi i-potting compound elungele isicelo, kanye nokuthi yiziphi izakhi okufanele zivikelwe, kubalulekile futhi ukucabangela amazinga okushisa okusebenza ezingxenye, izimo zokukhiqiza, izikhathi zokwelapha, izinguquko zempahla, kanye nokucindezeleka komshini. Kunezinhlobo ezintathu ezinkulu ze-potting compounds: epoxies, urethanes, nama-silicones. Ama-epoxies anikeza amandla amahle kakhulu nokuguquguquka ngamakhemikhali aphezulu kanye nokumelana nezinga lokushisa, kuyilapho ama-urethane eguquguquka kakhulu kunama-epoxies anokumelana okuncane namakhemikhali namazinga okushisa aphezulu. Ama-silicones nawo amelana namakhemikhali amaningi, futhi anikeza ukuguquguquka okuhle. I-drawback eyinhloko kuma-silicone resins, noma kunjalo, yizindleko. Ziyinketho ebiza kakhulu.
I-Potting Fiber Optic Cable Connections
Lapho uhlanganisa ukuxhunywa kwekhebula le-fiber optic, kubalulekile ukukhetha ingcina ethuthukisa ukusebenza komhlangano nokuzinza kuyilapho kunciphisa izindleko. Nakuba izindlela zendabuko ezifana nokushisela nokunamathisela ziholela ekushiseni okungafunwa, izinto ezinamathelayo zenza kangcono kakhulu ngokuvikela izingxenye zangaphakathi ekushiseni okukhulu, umswakama, namakhemikhali.
Izinamatheliso ze-epoxy kanye nezinhlelo zokwelashwa kwe-UV zisetshenziswa ekuxhumaniseni intambo ye-fiber optic. Le mikhiqizo inikeza amandla ebhondi aphakeme, ukucaca okuhle kakhulu kwe-optical, nokumelana okuphezulu nokugqwala kanye nezimo zemvelo ezinzima. Izinhlelo zokusebenza ezivamile zihlanganisa ukuvala amafayibha abe ama-ferrules, ukubopha izinyanda ze-fiber optic zibe izinsimbi noma izixhumi, kanye nokufaka izinyanda ze-fiber optic.
Ukunwetshwa kwezicelo
Izinamatheliso zithole ukusetshenziswa okwandayo ekuhlanganiseni kwe-elekthronikhi eminyakeni yamuva nje. Uhlobo lwe-adhesive, indlela yokufaka, kanye nenani le-adhesive esetshenzisiwe yizinto ezibaluleke kakhulu zokufeza ukusebenza okuthembekile ezingxenyeni ze-electronics. Nakuba izinto zokunamathisela zidlala indima ebalulekile ekujoyineni imihlangano ye-elekthronikhi, kusenomsebenzi okufanele wenziwe njengoba izinto zokunamathisela kulindeleke esikhathini esizayo esiseduze ukuze zinikeze izakhiwo eziphakeme zemishini nezokushisa ezizothatha indawo yezinhlelo zendabuko zokunamathisela.
I-Deepmaterial inikezela ngezinamatheliso ezinhle kakhulu zohlelo lokusebenza lwe-electronics bonding, uma unombuzo, sicela usithinte njengamanje.
