Kumashishini okuvelisa izinto zombane, iSurface Mount Technology (SMT) ibalulekile. Ulawulo olungqongqo lweqondo lobushushu kunye nokufuma, olulondolozwe zizixhobo zokupholisa ezifana nezikhenkcezisi zamanzi, luqinisekisa ukusebenza kakuhle nokuthintela iziphene. I-SMT yongeza ukusebenza, ukusebenza kakuhle, kwaye inciphisa iindleko nefuthe lokusingqongileyo, ishiyeke ingundoqo kwinkqubela phambili yexesha elizayo kwimveliso yombane.
Kumashishini anamhlanje avela ngokukhawuleza okwenziwa kwezixhobo zombane, iSurface Mount Technology (SMT) idlala indima ebalulekileyo. Itekhnoloji ye-SMT ibandakanya ukubekwa ngokuthe ngqo kwamacandelo e-elektroniki kwiiBhodi zeSekethe eziShicileleyo (iiPCB) ezingakhange ziqhubele nje ukwenziwa kweminiaturization, ukukhaphukhaphu, kunye nokusebenza okuphuculweyo kweemveliso zombane, kodwa kuphuculwe ngokubonakalayo ukuthembeka kwemveliso kunye nempumelelo yokwenziwa ngelixa kuncitshiswa iindleko zemveliso.
Inkqubo eSisiseko ye-SMT yokuNqanyiswa koMphezulu
Inkqubo yokunyuswa komphezulu we-SMT ichanekile kwaye iyasebenza, iquka amanyathelo angundoqo aliqela:
Ushicilelo lwe-Solder Paste: Ukusebenzisa i-solder pads kwiiphedi ezithile kwi-PCB ukulungiselela ukunyuswa kwendawo echanekileyo.
Ukunyuswa kweNdawo: Ukusebenzisa isixokelelwano sokuxhoma somgangatho ophezulu wokuchaneka ukubeka izinto ze-elektroniki kwiipads ezifakwe kwi-solder.
Ukuphinda kufakwe iSolder: Ukunyibilikisa intlama ye-solder kwi-oveni yokuqukuqela kwakhona ngokujikeleza komoya oshushu ukuze ubophe ngokuqinileyo amacandelo e-elektroniki kwi-PCB.
UHlolo oluSebenzayo lwaMacho (AOI): Oomatshini be-AOI bahlola umgangatho we-PCB ethengisiweyo ukuqinisekisa ukuba akukho ziphene ezifana neendawo ezingalunganga, iindawo ezingekhoyo, okanye umva.
Ukuhlolwa kweX-Ray: Ukusebenzisa izixhobo zokuhlola i-X-reyi kulawulo lobulunga obunzulu obufihliweyo, njengabo bakwi-Ball Grid Array (BGA) ukupakishwa.
IiMfuno zoLawulo loBuqondo kwiNdawo zeMveliso
Imigca yemveliso ye-SMT inemigangatho engqongqo yobushushu kunye nokufuma kwindawo yokusebenza. Ulawulo lobushushu lubalulekile ekugcineni uzinzo lwezixhobo kunye nomgangatho wokuthengisa, ngakumbi kwiindawo ezinobushushu obuphezulu:
Ulawulo loBubushushu beSixhobo: Izixhobo ze-SMT, ngokukodwa iinkqubo zokunyuka kwendawo kunye nee-ovens eziphinda ziphume, zenza ukushisa okukhulu ngexesha lokusebenza. Izixhobo zokupholisa ezichanekileyo zithintela ukushisa kwaye ziqinisekisa ukusebenza okuqhubekayo okuzinzileyo.
IiMfuno zeNkqubo eyodwa:Izixhobo zokupholisa inceda ukugcina imo efunekayo yobushushu obuphantsi kumacandelo anovakalelo lobushushu okanye ubuchule obuthile bokuthengisa.
Izixhobo zokupholisa ezifana izixhobo zokupholisa amanzi kwimizi-mveliso kubalulekile ukugcina ukusebenza kakuhle kwemigca yemveliso, ukuthintela iziphene zokuthengisela okanye ukuthotywa kokusebenza okubangelwa ngamaqondo obushushu agqithisileyo.
Izinto eziluncedo zokusiNgqongileyo zokuFaka umphezulu we-SMT
Itekhnoloji ye-SMT ivelisa inkunkuma encinci ngexesha lenkqubo yokwenziwa kwemveliso, ekulula ukuyiphinda isetyenziswe nokuyilahla. Oku kwenza ubuchwephesha bokusebenza kwe-SMT buvumelane nokusingqongileyo kwaye busebenzise amandla. Kugxininiso lwanamhlanje lwehlabathi kukhuselo lokusingqongileyo kunye nophuhliso oluzinzileyo, ithekhnoloji ye-SMT ngokuthe ngcembe iba yinkqubo ekhethwayo kushishino lokwenziwa kombane.
Itekhnoloji ye-SMT yokuphakama komphezulu ingamandla aqhuba ukuqhubela phambili koshishino lokwenziwa kombane. Ayiphuculi nje kuphela ukusebenza kunye nokuphumelela kwemveliso yeemveliso zombane kodwa ikwanegalelo ekucutheni iindleko zokwenziwa nokunciphisa impembelelo yokusingqongileyo. Ngenkqubela phambili yetekhnoloji eqhubekayo, ukunyuswa komphezulu we-SMT kuya kuqhubeka ukudlala indima ephambili kwikamva lokwenziwa kombane.
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