Yuav ua li cas siv lub tshuab ultrasonic welding kom raug ? dab tsi yog qhov uas tsis nyob hauv lub ultrasonic ?
Tam sim no, ultrasonic welding cov cav tov tau lug siv nyob rau hauv tej lag luam li khoom ntim, txiav, riveting, embossing, thiab xuas nrig, muaj ntau qhov sib txawv ntawm kev siv thiab yuav tsum. Daws teeb meem ntawm misunderstanding nyob rau hauv kev ua hauj lwm ntawm ultrasonic welding tshuab. Rau cov misunderstandings peb yuav tsum ua li cas kom siv lub tshuab ultrasonic welding, thov them mloog rau cov ntsiab lus nram qab no: misunderstanding hauv kev txhuam vuam, qee cov neeg muaj ib misunderstanding ntawm lub ultrasonic zog hloov. Lawv ntseeg tias tus sonic yog welded ntawm qhov chaw ntu. Nws yog ib qho tsis to taub. Lub ntsiab cai vuam tiag tiag yog: Tom qab lub tshuab hloov ua hluav taws xob hloov mus rau hauv ib lub tshuab, nws ua los ntawm cov khoom xyaw ua haujlwm. Tus acoustic impedance ntawm acoustic tsis nyob hauv khib nyiab ntau dua li ntawm cov huab cua. Lub suab tsis kam, thaum lub ultrasonic kis los ntawm kev sib koom tes ntawm lub workpiece, lub suab tsis kam nyob hauv cov kis yog loj, thiab lub zog hluav taws xob generated yog heev loj. Qhov kub ua ntej ncav cuag lub teeb meem ntawm cov khoom ua haujlwm, ntxiv rau tej yam siab, kom lub seam welds. Lwm qhov chaw ntawm lub workpiece yuav tsis raug welded vim tsis thermal ua haujlwm thiab tsawg kub. Lub hauv paus ntsiab lus zoo li Ohm cov kev cai lij choj hauv electrotechnics.
Ultrasonic welding tshuab muaj tshwj xeeb yuav tsum tau siv rau cov khoom siv welded. Tsis yog tas nrho cov ntaub ntawv tuaj yeem raug welded. Qhov no yog ib qho kev tsis to taub loj loj uas ntseeg tau tias txhua yam khoom siv yuav tsum tau muaj kev txhawj xeeb. Qee cov ntaub ntawv ntawm ntau hom tuaj yeem koom tes zoo ntxiv. Qee cov hauv paus fusions thiab qee qhov tsis raug fused. Qhov nruab nrab ntawm cov khoom siv tib yam yog tib yam, los ntawm cov qauv ntawm vuam ua tau, tab sis thaum lub ntsiab lus ntawm lub pob hlau welded siab tshaj 350 ° C, nws tsis haum rau ultrasonic welding. Vim tias ultrasonic yog lub sij hawm yuav yaj cov molecules ntawm lub workpiece, qhov kev txiav txim siab yog nyob rau hauv 3 vib nas this, nws tsis tau zoo welded, peb yuav tsum xaiv lwm cov txheej txheem welding, xws li kub phaj vuam. Feem ntau, ABS yog qhov yooj yim kom tau welded, thiab nylon yog qhov nyuaj tshaj plaws uas yuav tau welded.
Misunderstanding ntawm welding workpieces:
Ultrasonic zog yog instantaneously tawg, vuam ntsiab lus yuav tsum tau cov ntsiab lus los yog cov kab, thiab qhov kev ncua deb ntawm kis tau tus mob yuav tsum zoo ib yam nrog ultrasonic vuam. Qee cov neeg xav tias ntev li nws yog ib cov khoom siv yas, tsis muaj teeb meem li cas qhov sib npaug ntawm cov pob zeb yuav tsum tau welded zoo, nws tseem yog ib qho tsis to taub. Thaum lub zog ua kom muaj zog, qhov loj dua qhov sib koom ua ke, qhov loj tshaj qhov kev faib tawm, qhov mob loj dua, thiab qhov ua tsis taus. Tsis tas li ntawd, cov ultrasonic tsis kis longitudinally, thiab lub zog poob yog proportional rau qhov kev ncua deb. Cov chaw taws teeb txuas yuav tsum tau tswj tsis pub dhau 6 cm. Lub vuam kab yuav tsum raug tswj ntawm 30 thiab 80 xov tooj. Lub npuaj tuab ntawm kev ua haujlwm yuav tsum tsis pub tsawg tshaj 2 hli, txwv tsis pub nws yuav tsis zoo, tshwj xeeb tshaj yog rau cov khoom siv uas yuav tsum tau ceev nrooj.
Kev tsis sib haum ntawm cov qauv kev sib txuas:
HORN muaj ntau hom. Cov duab ntawm lub workpiece yog qhov txiav txim seb qhov pwm ntawm cov pwm. Txawm li cas los xij, qhov loj me, curvature, thiab cov khoom ntawm txhua feem yuav tsum tau muab xam ncaj qha. Qee cov neeg ua yuam kev ntseeg tias nws tsuas yog hlau thaiv. Txawm hais tias qhov tsim nyog tsim nyog muaj feem xyuam rau cov pwm txoj kev ua haujlwm, qhov ntev, thiab qhov khoom kis tau. Nyob rau hauv loj heev mob, nws yuav ncaj qha hlawv tawm lub generator. Cov khoom ntawm cov pwm feem ntau yog magnesium aluminium 7075, hos qee cov neeg siv cov khoom siv qis los sis cuav 7075 los txo nqi. Cov tuam txhab pwm niaj hnub muaj ib co txheej txheem soj ntsuam nruj heev rau kev pub khoom noj. Cov txheej txheem ua tiav yog ua tiav thiab simulated los ntawm lub computer software. Zoo yog guaranteed. Cov kev cob qhia tsis tuaj yeem ua los ntawm kev cob qhia. Yog hais tias cov pwm tsis tsim thiab raug tsim kom zoo, qhov teeb meem ua tsis zoo yuav tsis pom tseeb thaum siv cov thauv tawm haujlwm me me. Thaum lub hwj chim siab, muaj ntau yam teeb meem. Nyob rau hauv loj heev zaum, lub Cheebtsam fais fab tuag puas ncaj qha.
Tsis to taub Ultrasound tso zis hluav taws xob:
Cov theem ntawm lub tso tawm fais fab ultrasonic yog txiav txim siab los ntawm txoj kab nruab nrab thiab cov tuab ntawm piezoelectric ceramics, cov khoom, thiab cov txheej txheem tsim. Thaum cov transducer zoo sib xws, lub zog siab tshaj plaws kuj txiav txim siab. Ntsuas cov theem ntawm cov hluav taws xob cov zis yog ib qho txheej txheem. Nws tsis yog qhov tseeb thaum qhov loj ntawm transducer loj dua, qhov loj dua lub zog, qhov hluav taws xob ntau ntxiv ntawm qhov kev siv voj voog, qhov loj zog tso zis. Nws yuav tsum muaj ib qho kev ntsuas haum qhov dav hlau kom yog ntsuas nws qhov siab. Tus nqi ntawm lub zog consumed tsis muaj kev cuam tshuam cov theem ntawm lub zog ultrasonic zog. Piv txwv, Yog hais tias qhov ntev zog yog tsawg thiab qhov kev siv tam sim no yog loj, qhov ua tau zoo ntawm cov cuab yeej tsawg tsawg thiab lub hwj huam reactive loj.
M isunderstanding nyob rau hauv hom Ultrasonic welding tshuab:
Nws yuav tsum muab xam tias cov khoom siv ntawm lub chaw ua hauj lwm, thaj tsam ntawm daim ntawv xaim, seb puas muaj hluav taws xob hauv cov khoom ua haujlwm, thiab seb huab cua nruj yuav tsum tau thaum peb xaiv hom ultrasonic welding tshuab. Nws tseem yog ib qho kev tsis sib haum xeeb uas lub hwj chim siab zog zoo dua. Yog hais tias koj tsis paub ntau heev txog ultrasound, Nws yog qhov zoo tshaj plaws los tham ib txwm ultrasonic ntau lawm engineering thiab cov neeg ua hauj lwm technical, yog tias ua tau, ces nws yog qhov zoo tshaj rau kev sib txuas lus mus rau lub hoobkas ntawm qhov chaw, tsis ua blindly mloog cov lus ntawm ib co kev ultrasound cov neeg ua haujlwm muag. Cov khoom siv cwj pwm muaj cov teeb meem nram qab no: Ua ntej, qhov tsis zoo ntawm cov khoom siv yuav tsis raug lees paub, thiab cov tub ntxhais siv technology ntawm qhov thib ob cov txheej txheem tsis tsim nyog. Cov khoom siv feem ntau pom tau tias tsis muaj zog nyob rau hauv nruab nrab thiab muaj hwj chim ua haujlwm, tsim nyog khoom qis, thiab qee zaus khoom puas tsuaj. Rau ib qhov kev siv fais fab uas tsav tsheb ib qho transducer, cov ciam ntawm cov khoom siv sib nqus siv tsis ntsuas. Qhov sib txuam tsis sib haum (A / M), qhov zoo tshaj plaws (twm £), kub coefficient (au / K-1) , winding txheej txheem tshwj xeeb heev txog cov pob expansion nqus leaching epoxy cob. Cov khoom kuaj thiab chaw nyob tsis zoo ntawm tsev-style lub hoobkas tsis tuaj yeem ua. Yog li ntawd, thaum yuav khoom siv ultrasound, nws yog qhov zoo tshaj plaws los saib ntawm lub tuam txhab qhov teeb meem, tsis txhob ua blindly mloog tus muag khoom touted, tsis txhob saib cov nqi. Tsuas yog nyob rau hauv txoj kev no peb tuaj yeem txo qhov tsis muaj kev ntxhov siab nyob rau yav tom ntej.
Nrhiav ib tug kev ultrasonic vuam tov?
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