ULTRASONIC WELDING YOG XAV TAU KEV PAB CUAM RAU KEV SIV TSHUAJ TIV THAIV
Ultrasonic welding yog tshwj xeeb tshaj yog haum rau assembling kho mob li vim nws siv cov khoom siv nws tus kheej los tsim cov kev sib koom ua ke, obviating yuav tsum tau rau cov nplaum. Lub vas nthiv, ntxuav, thiab txheej txheem repeatable, ultrasonic welding yog zoo tagnrho rau koom nrog cia li cov khoom yas rau ntau daim ntaub ntawv. Yuav kom tau cov kev zoo no, txawm li cas los xij, engineers yuav tsum xaiv cov khoom siv weldable, tsim kev sib koom ua ke, tsim qhov kho kom haum, optimize welding txheej txheem, thiab thaum kawg, tswj nws.
Ultrasonic welding joins thermoplastic feem los ntawm kev siv kev sib qib siab (feem ntau 20 mus rau 40 kilohertz) kom qhuav cov khoom ntawm qhov kev sib tshuam ntawm qhov chaw. Thawj zaug patented hauv lub xyoo 1960, ultrasonic vuam lawm txij li tau raug refined rau siv nyob rau hauv ntau daim ntaub ntawv. Cov txheej txheem muaj xws li ultrasonic staking, swaging thiab spot vuam
Ntau cov thermoplastics, ob qho tib si amorphous (xws li polystyrene) thiab semicrystalline (xws li nylon), yuav tsum tau ultrasonically welded. Qhov zoo tshaj plaws, ob qho tib si hauv ib lub weld yog tsim los ntawm tib cov ntaub ntawv. Txawm li cas los xij, ntau yam kev sib xyaw uas tsis zoo li cov khoom ua tau yog ultrasonically welded yog hais tias lawv cov melting kub muaj haum ze.
Thaum lub caij ultrasonic welding, ob qhov chaw yog fixtured kom lawv mus raws li thiab kov ub kov no. Thaum pib ntawm txoj kev, lub horn, uas hloov mus rau ultrasonic zog, txav mus thov siab mus rau sab saum toj. Lub horn ces vibrates nyob rau hauv high zaus, thiab txoj kev sib txhuam ntawm ib qho vibrating tawm tsam lwm yam ua cua sov. Qhov no ua kom muag thiab yaj cov yas ntawm lub nruab nrab ntawm qhov chaw, tsim kom muaj qhov txuas.
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