Ultrasonic waldi ne wani masana'antu tsari wanda high-mita ultrasonic acoustic vibrations ana amfani da gida aiki guda da ake gudanar tare a karkashin matsa lamba don ƙirƙirar m-jihar weld.An fi amfani da shi don robobi da karafa, musamman don haɗa kayan da ba su da kama.A cikin walƙiya na ultrasonic, babu ƙusoshi masu haɗawa, ƙusoshi, kayan siyarwa, ko adhesives masu mahimmanci don ɗaure kayan tare.Lokacin amfani da karafa, sanannen yanayin wannan hanyar shine cewa zafin jiki yana tsayawa da kyau a ƙasa da wurin narkewar kayan da ke ciki don haka yana hana duk wani kaddarorin da ba'a so wanda zai iya tasowa daga yanayin yanayin zafi na kayan.
Domin shiga hadaddun allura gyare-gyaren thermoplastic sassa, ultrasonic waldi kayan aiki za a iya sauƙi musamman don dace da ainihin bayani dalla-dalla na sassan da ake welded.An yi sandwiched sassan tsakanin kafaffen gida mai siffa (Anvil) da sonotrode (ƙaho) da aka haɗa da mai juyawa, kuma ana fitar da girgizar ƙaramar ƙaramar ƙaramar ƙaramar ~20 kHz.(Lura: Common mitoci amfani da ultrasonic waldi na thermoplastics ne 15 kHz, 20 kHz, 30 kHz, 35 kHz, 40 kHz da 70 kHz).Lokacin walda robobi, mu'amalar sassan biyu an ƙera shi ne musamman don mai da hankali kan tsarin narkewa.Ɗayan kayan yawanci yana da daraktan makamashi mai zagaye ko zagaye wanda ke tuntuɓar ɓangaren filastik na biyu.Ƙarfin ultrasonic yana narke lamba lamba tsakanin sassan, ƙirƙirar haɗin gwiwa.Wannan tsari shine kyakkyawan madadin mai sarrafa kansa zuwa manne, sukurori ko ƙira masu dacewa.Yawancin lokaci ana amfani da shi tare da ƙananan sassa (misali wayoyin hannu, na'urorin lantarki na mabukaci, kayan aikin likita da za a iya zubar da su, kayan wasan yara, da sauransu) amma ana iya amfani da shi akan sassa masu girma kamar ƙaramin gunkin kayan aikin mota.Ultrasonics kuma za a iya amfani da su walda karafa, amma yawanci iyakance ga kananan welds na bakin ciki, malleable karafa, misali aluminum, jan karfe, nickel.Ba za a yi amfani da Ultrasonics ba wajen walda chassis na mota ko a cikin walda na keke tare, saboda matakan ƙarfin da ake buƙata.
Ultrasonic waldi na thermoplastics yana haifar da narkewa na gida na filastik saboda shayar da makamashin rawar jiki tare da haɗin gwiwa da za a welded.A cikin karafa, walda yana faruwa ne saboda matsanancin tarwatsawar oxides da motsi na gida na kayan.Kodayake akwai dumama, bai isa ya narke kayan tushe ba.
Ana iya amfani da waldi na Ultrasonic don duka robobi masu wuya da taushi, kamar robobin semirystalline, da karafa.Fahimtar waldar ultrasonic ya karu tare da bincike da gwaji.Ƙirƙirar kayan aiki masu mahimmanci da maras tsada da ƙara yawan buƙatun filastik da kayan lantarki ya haifar da haɓaka ilimin tushen tsari.Koyaya, abubuwa da yawa na walƙiya na ultrasonic har yanzu suna buƙatar ƙarin bincike, kamar alaƙar ingancin walda don aiwatar da sigogi.Ultrasonic waldi ya ci gaba da kasancewa filin haɓaka cikin sauri.
Lokacin aikawa: Dec-02-2021