Feb 25, 2021 Tso lus

Ultrasonic Welding


Ultrasonic Welding


Ultrasonic welding yog txheej txheem vuam nyob rau hauv uas ultrasonic vuam lossis kev co siv los ua kom muaj cua sov rau vuam. Ultrasonic txhais tau hais tias cov vuag kev co uas muaj ntau zaus saum lub rooj sib hais ib txwm muaj. Nws yog kwv yees li 20000 txog 30000 Hz. Nws yog cov txheej txheem khov kho hauv lub xeev. Cov khoom hauv lub xeev vuam yog vuam cov txheej txheem uas tsis muaj cov cua sov sab nraud ntxiv rau vuam.


Transducer yog ib qho cuab yeej uas tuaj yeem hloov hluav taws xob ua hluav taws xob ntau rau hauv kev ua haujlwm siab ntawm cov tshuab hluav taws xob. Qhov no txuas nrog lub vuam taub hau. Lub tshuab hloov khoom lossis piezoelectric transducer siv nyob rau hauv kev siv vuam no.


Nws ua haujlwm ntawm tus qauv yooj yim ntawm lub zog ntawm ultrasonic yoj. Kev vibration ultrasonic tsim ib qho kev ntxhov siab shear ntawm cov neeg ntawm ob daim ntawv ua haujlwm. Vim tias cov yas hauv cheeb tsam deformation thiab cov cua sov vim los ntawm kev sib txhuam ntawm qhov chaw sib cuag, kev tsim ua ke yuav siv qhov chaw ntawm qhov sib cuam tshuam.

Thaum pib, siab hloov tam sim no dhau los ntawm ib qho piezoelectric transducer. Cov tshuab hluav taws xob no hloov siab hloov hluav taws xob teeb liab mus rau kev siv lub tshuab kev co.Qhov qhov kev co no ntxiv rau lub zog uas nthuav dav nws lub zaus.Qhov qhov siab ua kom lub siab hloov mus los ntawm lub hle uas yog nyob rau hauv kev sib cuag nrog vuam phaj.Qhov vuam tsim sib koom ua ke. Ib qho cog ntawm lub weld yog tsau rau hauv fixture thiab lwm qhov yog nyob hauv kev sib txuas lus ncaj qha nrog tshuab raj. Cov phiajcim no tau tsau nyob rau hauv nruab nrab lub zog quab yuam.Qhov kub muab lub tshuab hluav taws xob loj rau lub vuam phaj.Qhov rau qhov kev co no, oscillation shear force ua nyob ntawm qhov sib cuam tshuam ntawm vuam daim hlau uas ua rau elestoplastic deformation ntawm interface. Nws kuj tsim ib qhov chaw hauv cheeb tsam kub nce vim yog siv zog thiab tsis sib haum xeeb. Cov cua sov no pab ua rau cov yas deformation ntawm kev sib tshuam thiab ua rau muaj zog sib koom ua ke yam tsis muaj kev cuam tshuam ntawm kev ua haujlwm lossis siv cov muab tub lim hlau.


Cov ntawv thov

  1. Lub tshuab nqus hlau no yog siv hauv kev tsim cov tshuaj tiv thaiv nuclear reactor.

  2. Nws yog siv hauv kev lag luam tsheb rau qhov tseem ceeb, lub taub hau teeb lub taub hau, khawm thiab hloov thiab lwm yam.

  3. Ultrasonic siv rau hauv kev lag luam hluav taws xob zoo li armature winding, hloov thiab lwm yam.

  4. Qhov no yog txoj kev huv vuam txheej txheem yog li nws tau siv hauv kev kho mob kev lag luam los ua qhov chaw xws li cov ntxaij lim dej, cov qhov ncauj qhov ntswg thiab lwm yam.



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