Izindaba

I-Solder, njengento ebalulekile yokuxhuma emikhakheni eminingi efana ne-electronics, izimoto, i-aerospace, njll., ikhwalithi nokusebenza kwayo kuthinta ngokuqondile ukuthembeka nokuzinza kwemikhiqizo. Ngokuthuthuka okuqhubekayo kobuchwepheshe, izidingo zokuhlanzeka, i-microstructure, nokusebenza kwe-solder ziya ngokuya ziba phezulu. Njengomshini wokuphonsa wensimbi othuthukisiwe, umshini wokuphonsa oqhubekayo ovundlile we-vacuum uye wakhanga kancane kancane ukunaka embonini ye-solder, uhlinzeka ngesixazululo esisebenzayo sokukhiqizwa kwekhwalithi ephezulu ye-solder.

1,Umgomo wokusebenza wevacuum evundlile umshini wokuphonsa oqhubekayo

Umshini wokukhipha ovundlile ovundlile we-vacuum ngokuyinhloko wakhiwe yisithando somlilo, i-crystallizer, idivayisi yokudonsa i-billet, isistimu ye-vacuum, nezinye izingxenye. Okokuqala, faka i-solder impahla esithandweni esincibilikayo bese uyishisa ukuze ifinyelele izinga lokushisa elifanele loketshezi. Khona-ke, indawo yokuphonsa ikhishwa ngezinga elithile ngohlelo lwe-vacuum ukunciphisa ukuxutshwa kokungcola kwegesi. Ngaphansi kwesenzo samandla adonsela phansi kanye nokucindezela kwangaphandle, i-solder ye-liquid igeleza ingene ku-crystallizer ebekwe endaweni evundlile, epholiswa ngamanzi ajikelezayo ukuze iqine kancane kancane futhi icwebezele odongeni lwayo lwangaphakathi, yenze igobolondo. Ngokudonsa kancane kwedivayisi yokusakaza, i-solder entsha ye-liquid igcwaliswa ngokuqhubekayo ku-crystallizer, futhi igobolondo le-solder eliqinisiwe likhishwa ngokuqhubekayo, ngaleyo ndlela kuzuzwe inqubo yokuphonsa eqhubekayo.

vacuum evundlile umshini wokuphonsa oqhubekayo

2,Izinzuzo Zomshini Wokusakaza Ovundlile we-Vacuum

(1）Thuthukisa ukuhlanzeka kwe-solder

Ukuphonsa endaweni ye-vacuum kungavimbela ngokuphumelelayo ukungcola kwegesi njenge-oxygen ne-nitrogen ekungeneni kwe-solder, ukunciphisa ukwakheka kwe-oxide inclusions nama-pores, kuthuthukise kakhulu ukuhlanzeka kwe-solder, futhi kuthuthukise ukumanzisa kwayo nokugeleza ngesikhathi senqubo yokushisela, ngaleyo ndlela kuthuthukiswe. ikhwalithi yejoyinti elishiselwe.

(2）Thuthukisa i-microstructure yezinto ze-solder

Phakathi nenqubo yokukhipha i-vacuum evundlile eqhubekayo, izinga lokuqiniswa kwe-solder ye-liquid lifana ngokuqhathaniswa, futhi izinga lokupholisa liyalawuleka, elihambisana nokwakhiwa kwesakhiwo sokusanhlamvu esilinganayo nesicolekileyo kanye nokunciphisa izenzakalo zokuhlukaniswa. Lesi sakhiwo senhlangano esifanayo senza izakhiwo zemishini ze-solder zizinze, njengamandla aqinile kanye nokwelula, okuthuthukisiwe futhi kuhlangabezane nezimo ezithile zokufaka izicelo ezidingekayo ekusebenzeni kwe-solder.

(3）Ukukhiqiza okuqhubekayo okuphumelelayo

Uma kuqhathaniswa nezindlela zokusakaza zendabuko, imishini yokukhipha i-vacuum evundlile eqhubekayo ingafinyelela ukukhiqizwa okuqhubekayo nokungaphazanyiswa, ithuthukise kakhulu ukusebenza kahle kokukhiqiza. Ngesikhathi esifanayo, inezinga eliphezulu lokuzenzakalela, inciphisa izinyathelo zokusebenza ngesandla, yehlisa izinga labasebenzi kanye nezindleko zokukhiqiza, futhi yenza inqubo yokukhiqiza izinze futhi inokwethenjelwa, okuhambisana nokulawulwa okungaguquki kwekhwalithi yomkhiqizo.

(4）Yehlisa imfucuza yezinto ezingavuthiwe

Ngenxa yenqubo eqhubekayo yokuphonsa kanye nokulawula okunembile kosayizi nokuma kwe-billet, uma kuqhathaniswa nezinye izindlela zokuphonsa, ingasebenzisa ngempumelelo izinto ezingavuthiwe, inciphise udoti obangelwa ukusika, izibonelelo zomshini, njll., ithuthukise izinga lokusebenzisa izinto zokusetshenziswa, nokunciphisa izindleko zokukhiqiza.

3,Izicelo eziqondile embonini ye-solder

(1）Inqubo yokukhiqiza

Ekukhiqizeni i-solder, isinyathelo sokuqala ukuxuba ngokunembile izithako ze-solder ezidingekayo bese wengeza izinto zokusetshenziswa ezilungisiwe esithandweni somlilo we-vacuum ovundlile oqhubekayo wokuphonsa umshini. Qala uhlelo lwe-vacuum, unciphise ingcindezi ngaphakathi kwesithando somlilo ezingeni elifanele le-vacuum, ngokuvamile phakathi kwamashumi ama-pascals namakhulu ama-pascals, bese ushisa futhi uncibilikise i-solder futhi ugcine izinga lokushisa elizinzile. Lungisa isivinini sokusakaza kanye nevolumu yamanzi okupholisa ye-crystallizer ukuze uqinisekise ukuthi i-solder ewuketshezi iqina ngokufanayo ku-crystallizer futhi ikhishwa ngokuqhubekayo, yakha ukucaciswa okuthile kwe-solder billet. Okungenalutho kucutshungulwa ngokugoqeka okulandelayo, ukudweba nezinye izinyathelo zokucubungula ukuze kukhiqizwe ubujamo obuhlukahlukene kanye nokucaciswa kwemikhiqizo ye-solder, njenge-welding wire, i-welding strip, i-solder paste, njll., ukuze kuhlangatshezwane nezidingo zokushisela zemikhakha ehlukene.

(2）Ukuthuthukisa ikhwalithi yezinto ze-solder

Ukuthatha i-Sn Ag Cu engenawo umthofu esetshenziswa kakhulu embonini ye-elekthronikhi njengesibonelo, lapho ikhiqizwa kusetshenziswa umshini wokuphonsa ovundlile ovundlile we-vacuum, okuqukethwe komoya-mpilo kusidayisi kungalawulwa ngokuqinile ezingeni eliphansi kakhulu, kugwenywe ukungcola okufana ne-tin slag. okubangelwa i-oxidation kanye nokwenza ngcono izinga lokusebenzisa okusebenzayo kwe-solder. Ngasikhathi sinye, ukwakheka kwenhlangano okufanayo kwenza i-solder ikwazi ukugcwalisa kangcono izikhala ezincane ze-solder ngesikhathi senqubo ye-micro soldering yezingxenye ze-elekthronikhi, ukunciphisa amaphutha okushisela njenge-soldering ebonakalayo kanye ne-bridging, kanye nokwenza ngcono ukuthembeka kokushisela nokusebenza kukagesi kwemikhiqizo ye-elekthronikhi.

Enqubweni ye-brazing yemboni yezimoto, ye-solder ephezulu ye-aluminium esekelwe, i-solder ekhiqizwe umshini wokuphonsa oqhubekayo ovundlile we-vacuum inamandla angcono nokumelana nokugqwala. Ukwakheka kwayo okusanhlamvu okufanayo kuqinisekisa ukuzinza kwe-solder ngesikhathi sokushisa okuphezulu, okungaxhuma ngokuqinile izingxenye zezimoto futhi kuthuthukise ukusebenza okuphelele kanye nempilo yesevisi yezingxenye zezimoto.

(3）Izibonelo zohlelo lokusebenza

Ibhizinisi elaziwayo lokukhiqiza i-solder yethule i-vacuum level okuqhubekayo umshini wokuphonsa, eye yandisa ukuhlanzeka kwemikhiqizo yayo ye-tin lead solder kusuka ku-98% kuya ngaphezu kwe-99.5%, futhi yanciphisa kakhulu okuqukethwe kwe-oxide inclusions. Ekusetshenzisweni kokushisela kwamabhodi esekethe ye-elekthronikhi, izinga lokuhluleka kokushisela lehlile lisuka ku-5% laya ngaphansi kuka-1%, okwenza ngcono kakhulu ukuncintisana kwemakethe yomkhiqizo. Ngesikhathi esifanayo, ngenxa yokuthuthukiswa kokusebenza kahle kokukhiqiza kanye nokunciphisa udoti wempahla eluhlaza, izindleko zokukhiqiza zebhizinisi zehliswe cishe ngama-15%, ukuthola izinzuzo ezinhle zezomnotho nezenhlalakahle.

4,Amathemba entuthuko

Ngokuthuthuka okusheshayo kwezimboni ezifana ne-electronics, amandla amasha, kanye nokukhiqizwa kwemishini ephezulu, izidingo zekhwalithi nokusebenza kwezinto ezithengiswayo zizoqhubeka nokwanda. Umshini wokuphonsa ovundlile ovundlile we-vacuum unamathuba abanzi okusebenza embonini ye-solder ngenxa yezinzuzo zawo eziyingqayizivele. Ngokuzayo, ngokuthuthuka okuqhubekayo kobuchwepheshe bokukhiqiza imishini, uhlelo lwayo lwe-vacuum luzosebenza kahle futhi luzinze, izinga lokulawula okuzenzakalelayo lizothuthukiswa, futhi nokulawulwa kwepharamitha okunembe kakhudlwana kungafinyelelwa, kukhiqizwe ikhwalithi ephezulu kanye ne-solder yomuntu siqu. imikhiqizo. Khonamanjalo, ngezidingo eziqinile zezemvelo, izinzuzo zemishini yokuphonsa eqhubekayo yezinga le-vacuum ekunciphiseni ukusetshenziswa kwamandla kanye nokukhishwa okungcolile kuzobenza kube ubuchwepheshe obubalulekile obusekelayo ekuthuthukisweni okusimeme kwemboni ye-solder.

5, Isiphetho

Ukusetshenziswa komshini wokuphonsa ovundlile we-vacuum oqhubekayo embonini ye-solder kunikeza isiqinisekiso esiqinile sokukhiqizwa kwekhwalithi ephezulu nokusebenza kahle kwe-solder. Ngokwenza ngcono ukuhlanzeka kwe-solder, ukuthuthukisa isakhiwo senhlangano, ukufeza ukukhiqizwa okuqhubekayo, nokunciphisa izindleko, isidingo esikhulayo somthengisi embonini yesimanje siye sahlangabezana. Ngokuthuthuka okuqhubekayo kanye nokuthuthukiswa kobuchwepheshe, ukusetshenziswa kwayo embonini ye-solder kuzoba okubanzi futhi okujulile, okugqugquzela ukuthuthukiswa kwemboni ye-solder maqondana nekhwalithi ephezulu, ukusebenza okuphezulu, nokuvikelwa kwemvelo okuluhlaza, okuhlinzeka ngekhwalithi ephezulu futhi enokwethenjelwa. izinto zokuxhuma ezimbonini eziningi ezithembele ekuxhumekeni kwe-solder, kanye nokukhuthaza ukuthuthukiswa kwezobuchwepheshe kanye nenqubekela phambili yalo lonke uchungechunge lwezimboni.

Ekuthuthukisweni kwesikhathi esizayo kwemboni ye-solder, amabhizinisi kufanele abone ngokugcwele amandla kanye nenani lemishini yokuphonsa eqhubekayo yezinga le-vacuum, ethule ngenkuthalo futhi asebenzise lobu buchwepheshe obuthuthukisiwe, aqinise emisha yezobuchwepheshe kanye nokwenza kahle kwenqubo, athuthukise ngokuqhubekayo ukuncintisana kwawo emakethe, futhi akhuthaze ngokubambisana umthengisi. imboni ukuze iqhubekele esigabeni esisha sokuthuthuka.