Ukuncamathelisa kwiSicelo soBonding
I-Adhesives inika ibhondi eyomeleleyo ngexesha lokuhlanganisana kwe-elektroniki ngelixa likhusela amacandelo kumonakalo onokwenzeka.
Iinguqulelo zakutsha nje kumzi-mveliso we-elektroniki, njengeemoto ezixutyiweyo, izixhobo zombane eziphathwayo, usetyenziso lwezonyango, iikhamera zedijithali, iikhompyutha, unxibelelwano ngocingo, kunye neeseti zentloko ezongeziweyo, zichukumisa phantse zonke iindawo zobomi bethu. Izinto zokuncamathelisa zombane ziyinxalenye ebalulekileyo yokudibanisa la macandelo, ngoluhlu lwetekhnoloji yokuncamathelisa eyahlukeneyo ekhoyo ukujongana neemfuno ezithile zesicelo.
I-Adhesives ibonelela ngebhondi eyomeleleyo ngelixa ikhusela amacandelo ngokuchasene nemiphumo eyonakalisayo yokungcangcazela okugqithisileyo, ubushushu, ukufuma, ukubola, ukothuka komatshini, kunye neemeko zokusingqongileyo ezigqithisileyo. Bakwabonelela ngeepropathi ezishushu kunye nezombane, kunye nobuchule bokunyanga kwe-UV.
Ngenxa yoko, izinto zokuncamathelisa ze-elektroniki ziye zatshintsha ngempumelelo iinkqubo ezininzi zokuthengisa zemveli. Usetyenziso oluqhelekileyo apho ezi zincamathelisi zingasetyenziswa kwindibano ye-elektroniki zibandakanya ukugquma phambi kokwaleka ngokusesikweni, iisinki zobushushu, usetyenziso lweemoto zombane, ukudityaniswa kwentambo yefiber optic, kunye ne-encapsulation.
Ukugquma phambi koKutyabeka ngokusesikweni
Ukugquma ngokusesikweni yitekhnoloji yefilimu yepolymeric esetyenziswa kwibhodi yesekethe eprintiweyo enovakalelo (PCB) ukukhusela amacandelo ayo ngokuchasene nokungcangcazela, ukubola, ukufuma, uthuli, iikhemikhali, kunye noxinzelelo lokusingqongileyo, njengoko ezi zinto zangaphandle zinokucutha ukusebenza kwamacandelo e-elektroniki. Lonke uhlobo lokutyabeka (umzekelo, i-acrylic, i-polyurethane, i-water-based, kunye ne-UV-cure) isebenza ngokweempawu zayo ezithile kwiindawo ezahlukeneyo apho i-PCB isebenza khona. Ngoko ke, kubalulekile ukukhetha eyona nto ingcono yokugubungela ukhuseleko olufunekayo.
Ukugquma yinkqubo esetyenziswa phambi kokugquma ngokusesikweni ekhusela imimandla ethile yee-PCBs ekugqunyweni, kubandakanywa izinto ezinobuzaza, imiphezulu ye-LED, izihlanganisi, izikhonkwane, kunye neendawo zovavanyo apho ukuqhubeka kombane kufuneka kugcinwe. Ezi mazihlale zingagqunywanga ukuze zenze imisebenzi yazo. Iimaski ezinyotywayo zibonelela ngokhuseleko olugqwesileyo lweendawo ezithintelweyo ngokuthintela uhlaselo lweengubo ezilungeleleneyo kwezi ndawo.
Inkqubo yokugquma iquka amanyathelo amane: ukufaka isicelo, ukunyanga, ukuhlolwa, kunye nokususwa. Emva kokufaka imveliso yokugquma i-UV enyangekayo kumalungu afunekayo, iphilisa ngokupheleleyo kwimizuzwana elandela ukuvezwa kukukhanya okubonakalayo kwe-UV. Ukunyanga ngokukhawuleza kuvumela iibhodi zeesekethe ukuba ziqhutywe ngokukhawuleza. Emva kokuntywila, ukutshiza, okanye ukusetyenziswa kwesandla kwi-conformal coating, imaski iyaxotyulwa, ishiya indawo eshiyekileyo kunye ne-container-free. Ukufihla ubuso kunokubuyisela ngempumelelo iindlela eziqhelekileyo ezichitha ixesha.
Indlela yokufaka isicelo sokugquma ibaluleke kakhulu. Ukuba imveliso isetyenziswe kakubi, nokuba yinto efanelekileyo kakhulu yokukhetha, ayiyi kubonelela ngokhuseleko olwaneleyo. Ngaphambi kokufakwa kwesicelo, kuyimfuneko ukucoca indawo ukuze ugweme ukungcola kwangaphandle kunye ne-preplan yeziphi iindawo zebhodi ezifuna ukugquma. Iindawo ezibuthathaka ezingadingi kugqunywa mazigqunywe. Iimveliso zokugquma zifumaneka ngemibala ebonakalayo ephezulu efana nepinki, eluhlaza okwesibhakabhaka, i-amber, kunye nohlaza.
Ukunikezelwa ngesandla okanye okuzenzekelayo kulungele ukusetyenziswa kwe-masking. Ukuba utyabeka ngesandla, imaski akufanele isetyenziswe kakhulu. Ngokunjalo, ukusebenzisa ngokugqithisileyo kuyingozi enokubakho xa kugqunywa ibrashi. Xa isicelo siphela, kungakhathaliseki ukuba yeyiphi indlela yesicelo, i-masking kufuneka isuswe xa ibhodi isomile.
Isiqhoboshelo seSinki yobushushu
Njengoko izixhobo zombane zisiba zincinci, amandla kunye nobushushu obudityanisiweyo ababusebenzisayo bugxila ngakumbi kwaye kufuneka buchithwe, okwenza ukuhanjiswa kobushushu kuxabiseke ngakumbi. I-heat sink sisixhobo sokutshatyalaliswa kobushushu esinesiseko kunye namaphiko. Xa i-chip itshisa, i-heat sink isasaza ubushushu ukugcina i-chip kwiqondo lokushisa elifanelekileyo. Ngaphandle kwesitya sokutshisa, iitshiphusi ziya kutshisa kwaye zitshabalalise yonke inkqubo.
Izinto zokuncamathelisa i-heat sink zenzelwe ukudibanisa iisinki zobushushu kumacandelo ombane kunye neebhodi zesekethe ukutshabalalisa ubushushu. Le nkqubo ifuna ukuhanjiswa kwe-thermal ephezulu kunye neebhondi eziqinileyo zesakhiwo, kwaye ezi zincamathelisi zigqithise ngokukhawuleza kwaye zigqithise ubushushu ukusuka kumalungu ombane ukuya kwindawo yokushisa. Ukusetyenziswa kwe-heat sink bonding zixhaphake kwiikhomputha, izithuthi zombane, iifriji, izibane ze-LED, iifowuni eziphathwayo kunye nezixhobo zokukhumbula.
Ukunamathiswa kwe-heat sink kunokusetyenziswa ngokulula ngeesirinji okanye koomatshini bokukhupha. Ngaphambi kokusetyenziswa, indawo yecandelo kufuneka ihlambuluke ngokucokisekileyo kwaye ngokufanelekileyo ngelaphu elicocekileyo kunye ne-solvent efanelekileyo. Ngethuba lesicelo, i-adhesive kufuneka igcwalise indawo yecandelo ngokupheleleyo, ingashiyi i-gap yomoya, ekhokelela ekutshatyalalisweni kobushushu ngaphakathi kwendawo evaliweyo. Le nkqubo ikhusela iisekethe zombane ekutshiseni, yandisa ukusebenza kakuhle, inciphisa iindleko, kwaye iphucula ukuthembeka kwemveliso.
Ukudibanisa iMagnet kwiiMoto zoMbane
Iinjini zombane zidlala indima ephambili kubomi bethu bemihla ngemihla, ukufumana ukusetyenziswa kwizithuthi zombane (umzekelo, iimoto, iibhasi, oololiwe, iinqwelo zamanzi, iinqwelomoya, iinqwelo-moya, kunye neenkqubo zikaloliwe ohamba ngaphantsi komhlaba), oomatshini bokuhlamba izitya, iibrashi zamazinyo zombane, abashicileli bekhompyutha, abacoci be-vacuum nokunye. Ngenxa yendlela eyomeleleyo ebhekiselele kwizithuthi zombane kwishishini lezothutho, uninzi lweengxoxo zanamhlanje kweli candelo zibandakanya ingqikelelo yokutshintsha injini esebenza ngamandla egesi ngoguqulelo lombane.
Nkqu nakwizithuthi ezineenjini zokutsha, kukho intaphane yeenjini zombane ezisebenzayo, nto leyo evumela yonke into ukusuka kwiiwiper zefestile ukuya kwizitshixo zombane kunye neefeni zesifudumezi. Izinto ezincamathelayo kunye nezitywini zifumana izinto ezininzi ezisetyenziswa kuzo zonke iimotor zombane kula macandelo, ngokuyintloko ekudibaneni kwemagnethi, ukugcina iibheringi, ukwenza iigaskets, kunye nokutshixa iibholithi ze-injini.
Iimagnethi ziboshwe kwindawo kunye ne-adhesives ngezizathu ezininzi. Okokuqala, ubume bemagnethi bubuthathaka kwaye buxhomekeke ekuqhekekeni phantsi koxinzelelo. Ukusebenzisa iikliphu okanye iziqhoboshi zentsimbi akukhuthazwa kuba ezi ndlela zijolisa uxinzelelo kumanqaku kwimagnethi. Ngokwahlukileyo koko, izinto ezincamathelayo zisasaza uxinzelelo lwebhondi ngokulinganayo ngaphezulu komphezulu webhondi. Okwesibini, nayiphi na indawo phakathi kwezibophelelo zentsimbi kunye nemagnethi ivumela ukungcangcazela, okukhokelela kwingxolo eyandisiweyo kunye nokunxiba kwiindawo. I-adhesives ke ngoko ikhethwa ukunciphisa ingxolo.
Ukubumba kunye ne-Ecapsulation
Ukubumba yinkqubo yokuzalisa icandelo lombane kunye ne-resin engamanzi njenge-epoxy, i-silicone, okanye i-polyurethane. Le nkqubo ikhusela izixhobo zombane ezibuthathaka ezifana nezinzwa eziprintiweyo, izixhobo zombane, iziqhagamshelo, iiswitshi, iibhodi zeesekethe, iibhokisi zesiphambuka, kunye nombane wombane ngokuchasene nezisongelo zokusingqongileyo, eziquka: uhlaselo lwekhemikhali; ukwahluka koxinzelelo olunokuthi lwenzeke kwisiphekepheke okanye kwinqwelomoya; ukothuka kwe-thermal kunye nomzimba; okanye iimeko ezifana nokungcangcazela, ukufuma, kunye nokufuma. Ezi zoyikiso zinokonakalisa kakhulu kwaye zitshabalalise ezi ntlobo ze-elektroniki ezinobuthathaka.
Emva kokuba i-resin isetyenzisiwe, yomiswe, kwaye iphiliswe, izinto ezifihliweyo zikhuselekile. Nangona kunjalo, ukuba umoya uvaleleke kwikhompawundi yokubumba, uvelisa amaqamza omoya akhokelela kwimicimbi yokusebenza kwicandelo eligqityiweyo.
Kwi-encapsulation, icandelo kunye ne-resin eqinile iyasuswa ebhodweni kwaye ifakwe kwindibano. Njengoko izixhobo zombane ziqhubeka nokuncipha, i-encapsulation iba yimfuneko ngakumbi ukwenza izinto zangaphakathi zomelele kwaye zibambe kwindawo.
Ngelixa uthatha isigqibo malunga nokuba yeyiphi ikhompawundi yokubumba ifanelekileyo kwisicelo, kunye nokuba zeziphi na izinto ekufuneka zikhuselwe, kukwabalulekile ukuqwalasela amaqondo obushushu okusebenza kwamacandelo, iimeko zemveliso, amaxesha okunyanga, utshintsho lwepropathi, kunye noxinzelelo lomatshini. Kukho iintlobo ezintathu eziphambili ze-potting compounds: i-epoxies, i-urethanes, kunye ne-silicones. Ii-epoxies zinika amandla agqwesileyo kunye nokuguquguquka okugqwesileyo kunye nokuxhathisa kwekhemikhali kunye nobushushu, ngelixa i-urethanes ibhetyebhetye ngakumbi kuneepoxies ezinokumelana okuncinci kwimichiza kunye nobushushu obuphezulu. Ii-Silicones nazo ziyakwazi ukumelana neekhemikhali ezininzi, kwaye zibonelela ngokuguquguquka okuhle. I-drawback ephambili kwi-resin ye-silicone, nangona kunjalo, yindleko. Ziyeyona ndlela ibiza kakhulu.
UkuPotting Fiber Optic Cable Connections
Xa udibanisa iintambo zefiber optic, kubalulekile ukukhetha i-adhesive ephucula ukusebenza kwendibano kunye nokuzinza ngelixa uhla iindleko. Nangona iindlela zemveli ezifana ne-welding kunye ne-soldering zikhokelela kubushushu obungafunekiyo, izinto zokuncamathelisa zisebenza ngcono kakhulu ngokukhusela izinto zangaphakathi kubushushu obugqithisileyo, ukufuma, kunye neekhemikhali.
I-epoxy adhesives kunye ne-UV-cure systems zisetyenziswa ekufakeni imidibaniso yefiber optic cable. Ezi mveliso zinika amandla aphezulu ebhondi, ukucaca okugqwesileyo kwe-optical, kunye nokuchasa okuphezulu kwi-corrosion kunye neemeko ezinzima zokusingqongileyo. Usetyenziso oluqhelekileyo luquka ukutywina iintsinga zibe yi-ferrules, ukubopha iinyanda zefiber optic zibe yi-ferrules okanye izihlanganisi, kunye nokufaka iinyanda zefiber optic.
Ukwandiswa kwezicelo
I-Adhesives ifumene ukusetyenziswa okuhlala kusanda kwindibano ye-elektroniki kwiminyaka yakutshanje. Uhlobo lwe-adhesive, indlela yokusetyenziswa, kunye nenani le-adhesive esetyenzisiweyo yizona zinto zibalulekileyo ekufezekiseni ukusebenza okuthembekileyo kumacandelo e-elektroniki. Ngelixa i-adhesives idlala indima ephambili ekujoyineni iindibano ze-elektroniki, kusekho umsebenzi ekufuneka wenziwe kuba kulindeleke ukuba izinto zokuncamathelisa zibonelele ngeempawu eziphezulu zoomatshini kunye nezobushushu eziya kuthi zithathe indawo yeenkqubo zokuthambisa zemveli.
I-Deepmaterial ibonelela ngezona zinto zincamathelayo kwisicelo se-electronic bonding, ukuba unawo nawuphi na umbuzo, nceda uqhagamshelane nathi ngoku.
