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Dab Tsi Yog Qhov Tseem Ceeb Ntawm Laser Sib Sib Zog Nqus Vuam (2)

Aug 03, 2020

Lens focal ntev

Lub khob convex feem ntau yog siv los hloov cov laser thaum vuam, thiab lub lens nrog focal ntev ntawm 63-254mm feem ntau siv. Qhov ua kom pom tseeb qhov loj me yog ib feem ntawm qhov ntev focal, qhov luv focal ntev, qhov me me qhov chaw. Txawm li cas los xij, lub focal qhov tob nce synchronously nrog lub focal ntev, yog li luv luv focal ntev tuaj yeem nce lub zog hluav taws xob, tab sis vim tias lub focal qhov tob yog tsawg, qhov kev ncua deb ntawm lub lens thiab lub workpiece yuav tsum tau tswj hwm kom raug, thiab qhov tob tob tsis yog loj. Vim tias tus yam ntawm spatter thiab laser hom, qhov luv tshaj plaws focal qhov tob siv nyob rau hauv kev siv vuam sij feem ntau 126 hli. Thaum koj xav tau kom nce ntxiv qhov weld seam, koj tuaj yeem xaiv lub lens nrog focal ntev ntawm 254mm. Hauv qhov no, thiaj li ua tiav qhov kev sib sib zog nqus tob pinhole nyhuv, ib lub zog laser tso zis ntau dua yuav tsum muaj.

Thaum lub zog laser ntau dua 2kW, tshwj xeeb tshaj yog rau 10.6μm CO2 laser nqaj, kom tiv thaiv lub tsom teeb tsom qhov muag tsis zoo, qhov tsom teeb tsom mus rau feem ntau yog siv, thiab daim iav polished siv feem ntau ua lub tsom iav. Vim tias qhov ua tau zoo txias, feem ntau nws tau pom zoo rau lub siab-zog laser nqaj siab.


Ua kom pom tseeb txoj hauj lwm

Thaum vuam, txhawm rau kom tswj lub zog ceev, lub chaw tsom yog qhov tseem ceeb heev. Qhov kev hloov ntawm qhov chaw sib piv ntawm qhov ua kom pom tseeb thiab qhov chaw ua haujlwm saum npoo cuam tshuam ncaj qha rau qhov dav thiab tob ntawm lub weld. Nyob rau hauv feem ntau laser vuam thov, focal point feem ntau yog teem rau ntawm 1/4 ntawm qhov xav tau nkag mus rau qhov tob hauv qab ntawm qhov chaw ntawm lub workpiece.


Txoj hauj lwm laser nqaj

Thaum laser vuam raug ua, txoj haujlwm ntawm lub laser nqaj tswj qhov kawg zoo ntawm qhov txuas, tshwj xeeb tshaj yog cov ntaub ntawv ntawm lub pob tw pob qij txha yog qhov rhiab ntau dua li rooj plaub ntawm ncej puab sib txuas. Piv txwv li, thaum lub zog steel iav welded rau lub qij roj carbon steel qis, qhov kev tswj kom yog ntawm txoj haujlwm laser nqaj yuav pab tsim cov weld nrog cov ntsiab lus carbon tsawg, uas muaj qhov zoo dua tawg. Hauv qee qhov kev siv, geometry ntawm qhov chaw ua haujlwm welded yuav tsum tau thev nqaj tsis raug tshem tawm los ntawm lub kaum ntse ntse. Thaum lub kaum sab xis qhov ntxeev ntawm qhov nqaj axis thiab lub dav hlau sib koom ua ke yog tsis pub dhau 100 degrees, qhov chaw ua haujlwm' s nqus ntawm lub zog laser yuav tsis cuam tshuam.


Tswj ntawm kev hloov kho tam sim ntawd ntawm vuam laser fais fab

Hauv laser kev sib sib zog nqus vuam, tsis muaj qhov teeb meem ntawm qhov txuas ntawm qhov txuas, qhov pinhole tshwm sim tas li. Thaum lub vuam txheej txheem raug kaw thiab lub hwj huam hloov tawm, muab pits yuav tshwm rau qhov kawg ntawm tus hlau txuas. Tsis tas li ntawd xwb, thaum lub laser vuam txheej npog nrog lub vuam qub, kev nqus ntawm cov nqaj ntau dhau yuav tshwm sim, ua rau lub weldment ua kom sov lossis tsim cov pa qhov.

Txhawm rau tiv thaiv qhov tshwm sim ntawm qhov tshwm sim saum toj no, lub zog pib thiab nres cov ntsiab lus tuaj yeem tsim tau los ua kom lub zog kho tau thaum pib thiab xaus, uas yog, lub zog pib tau nce los ntawm xoom mus rau lub hwj chim teeb tsa hauv lub sijhawm luv lub sijhawm siv kev siv hluav taws xob, thiab kho kom haum rau lub sijhawm vuam, ib txoj hauv kev zoo sib xws thaum saws vuam.


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