Laser ua cov ntaub ntawv zoo heev tuaj yeem ua rau thermal deformation vim lawv cov thermal conductivity siab. Txhawm rau hais txog qhov no, cov tuam txhab tuaj yeem txhim kho qhov tsis zoo ntawm laser, siv cov txheej txheem cua txias hauv zos, ntiav cov chaw kaw hauv chav, thiab siv cov kev kho mob ua ntej txias. Cov tswv yim no ua tau zoo txo qhov cuam tshuam thermal, txhim kho kev ua haujlwm raug thiab cov khoom zoo.
Yuav ua li cas tiv thaiv tshav kub-Induced Deformation hauv Laser Machining
2025-07-08
Laser ua cov ntaub ntawv zoo heev - xws li tooj liab, kub, thiab txhuas - nthuav tawm cov kev sib tw tshwj xeeb vim lawv cov thermal conductivity siab. Thaum tshav kub kub tau tawg sai sai thoob plaws hauv cov khoom siv, ua kom lub tshav kub-tshem tawm tsam (HAZ), hloov kho cov khoom siv, thiab feem ntau ua rau ntug burrs thiab thermal deformation. Cov teeb meem no tuaj yeem cuam tshuam qhov tseeb thiab tag nrho cov khoom zoo. Txawm li cas los xij, ntau lub tswv yim tuaj yeem txo cov teeb meem thermal no.
1. Optimize Laser Parameters
Kev siv cov lasers luv luv, xws li picosecond lossis femtosecond lasers, tuaj yeem txo qhov cuam tshuam thermal. Cov pulses luv luv no ua zoo li precision scalpels, xa lub zog nyob rau hauv cov ntsiab lus bursts uas txwv kub diffusion. Txawm li cas los xij, kev txiav txim siab ua ke zoo tshaj plaws ntawm lub zog laser thiab scanning ceev yuav tsum muaj kev sim ua kom zoo. Lub zog dhau los lossis qeeb scanning tseem tuaj yeem ua rau muaj cua sov. Ua tib zoo calibration ntawm cov tsis ua kom muaj kev tswj tau zoo dua ntawm cov txheej txheem, txo cov teebmeem thermal tsis zoo.
2. Siv cov txheej txheem txhawb nqa
Local Cooling: Siv muaj laser chillers rau cov cua txias hauv zos tuaj yeem sai sai dissipate saum npoo tshav kub thiab txwv kev sib kis cua sov. Xwb, huab cua txias muab cov tshuaj maj mam thiab tsis muaj paug, tshwj xeeb tshaj yog rau cov khoom muag muag.
Sealed Chamber processing: Kev ua haujlwm siab laser machining nyob rau hauv lub tshuab nqus tsev los yog inert gas ib puag ncig nyob rau hauv lub kaw chamber txo thermal conduction thiab tiv thaiv oxidation, ntxiv stabilizing txheej txheem.
Kev kho mob ua ntej txias: Kev txo qis ntawm cov khoom siv qhov kub thiab txias ua ntej ua haujlwm pab nqus qee qhov cua sov tawm yam tsis muaj kev kub ntxhov ntau tshaj qhov pib deformation. Cov txheej txheem no txo cov cua kub diffusion thiab txhim kho machining raug.
Los ntawm kev sib txuas ntawm laser parameter optimization nrog kev ua kom txias thiab ua cov tswv yim, cov tuam ntxhab tuaj yeem txo cov thermal deformation hauv cov ntaub ntawv zoo heev. Cov kev ntsuas no tsis tsuas yog txhim kho laser kev ua tau zoo tab sis kuj txuas ntxiv cov cuab yeej siv tau ntev thiab txhim kho kev ntseeg tau ntau lawm.
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