Isingeniso
Emkhakheni obanzi wokucutshungulwa kwensimbi nokukhiqiza, okuphakathiimishini ye-frequency spot weldingsezibalulekile ngenxa yokusebenza kwazo okuhle kakhulu kanye nohlu olubanzi lwezinhlelo zokusebenza. Kodwa-ke, ukuze usebenzise ngokugcwele izinzuzo zale mishini, kubalulekile ukuqonda ngokujulile izigaba ezahlukahlukene zenqubo yabo yokushisela. Lesi sihloko sihlola lo mbuzo: "Zingaki izigaba inqubo yokushisela ye-mediumumshini we-frequency spot weldingzihlanganisa?" futhi inikeza incazelo enemininingwane.
-Ukuhlaziywa Kwesiteji Okuningi Kwenqubo Yokushisela
Inqubo yokushisela ye-mediumumshini we-frequency spot weldingzingahlukaniswa ngokunembile zibe izigaba ezibalulekile ezilandelayo:
Isigaba 1: Ngaphambi-Isigaba Sokucindezela
Lesi yisiqalo senqubo yokushisela kanye nesisekelo sokuqinisekisa ikhwalithi yokushisela. Phakathi nalesi sigaba, ama-electrode okushisela athintana ngokuqinile nendawo yokusebenza ngaphansi kwengcindezi efanele, enze indawo yokuxhumana ezinzile. Umgomo oyinhloko wengcindezi-yangaphambili iwukuqeda igebe phakathi kwezindawo ezithintana naye, ukuqinisekisa ukunamathela okuseduze phakathi kwezinto zokusebenza, nokudiliza amafilimu e-oxide engaphezulu ukuze kwehliswe ukumelana nokuxhumana. Ingcindezi yangaphambili{{4}iqinisekisa ukuthi i-welding current igeleza kahle uma isinamandla, ibeka isisekelo sokushisisa nokuncibilika okulandelayo.
Isigaba 2: Isigaba Sokushisa Esinamandla
Ngemuva kokuthi{0}isigaba sokucindezela sesiqediwe, ama-electrode okushisela anikwa amandla okushisa indawo yokushisela. Phakathi nalesi sigaba, i-welding current ikhiqiza ukushisa okuphawulekayo ezindaweni zokuthintana, ikhuphule izinga lokushisa ngokushesha futhi incibilikise insimbi ukuze yakhe i-nugget. Ukulawulwa okunembile kwamapharamitha afana ne-welding current, i-voltage, nesikhathi kubalulekile ukuze kuqinisekiswe amafomu e-nugget ngesivinini nosayizi oyifunayo. Kubalulekile futhi ukuvimbela ukushisa ngokweqile kanye ne-spatter ukuvikela kokubili okokusebenza kanye ne-workpiece.
Isigaba 3: Isigaba Sokuqamba (Ukupholisa I-Crystallization).
Uma i-nugget ifinyelela ukuma nobukhulu obufanele, i-welding current iyanqunywa, futhi inqubo ingena esigabeni sokubumba (i-cooling crystallization) isigaba. Phakathi nalesi sigaba, ama-electrode okushisela ayaqhubeka nokufaka ingcindezi endaweni yokushisela, evumela ukuthi i-nugget iphole futhi icwebezele ngaphansi kwamandla. Inhloso eyinhloko yokubumba ukuqinisekisa amabhondi ensimbi acwebezelayo aqine, ugweme amaphutha afana nezimbotshana ezinciphayo noma imifantu, kuyilapho kuthuthukisa amandla nokuvala ilunga elishiselwe. Ukulawula okunembile kwengcindezi nesikhathi kubalulekile ukuze kuqinisekiswe ukuqina okuphelele kanye nokwakheka{3}}kwekhwalithi ephezulu yokushisela.
Isiphetho
Inqubo yokushisela ye-mediumumshini we-frequency spot weldingkuwumsebenzi-okulawulwayo, ukunemba{1}}okulawulwayo. Ngemiphumela ye-synergistic ye-pre-ingcindezi, ukushisisa okunamandla, nokufogela, ikhwalithi nokusimama kwamajoyinti ashiselwe kuyaqinisekiswa. Ekusetshenzisweni okungokoqobo, imingcele ye-welding nezinqubo kufanele zilungiswe ngokuguquguqukayo ngokusekelwe ezidingweni ezithile kanye nezici ze-workpiece ukuze kuzuzwe imiphumela emihle.
Ukwengeza, ukunakekelwa okujwayelekile nokunakekelwa kwezinto zokusebenza kubalulekile ukuze kuqinisekiswe ukusebenza{0}}okuzinzile kwesikhathi eside.
