Xov xwm Laser
Precise Temperature Control rau Laser Systems thiab Industrial Applications txij li xyoo 2002
Lus
Laser vuam tsis xws luag xws li tawg, porosity, spatter, hlawv-los ntawm, thiab undercutting tuaj yeem tshwm sim los ntawm kev teeb tsa tsis raug lossis kev tswj kom sov. Cov kev daws teeb meem suav nrog kev kho cov vuam tsis zoo thiab siv cov chillers kom tswj tau qhov kub thiab txias. Dej chillers pab txo qhov tsis xws luag, tiv thaiv cov khoom siv, thiab txhim kho kev vuam zoo thiab ua haujlwm ntev.
Laser vuam yog ib txoj kev ua tau zoo thiab meej siv nyob rau hauv ntau yam lag luam. Txawm li cas los xij, qee qhov tsis xws luag xws li tawg, porosity, spatter, hlawv-los ntawm, thiab undercutting tuaj yeem tshwm sim thaum tus txheej txheem. Kev nkag siab txog qhov ua rau ntawm cov teeb meem no thiab lawv cov kev daws teeb meem yog qhov tseem ceeb rau kev txhim kho cov vuam zoo thiab ua kom cov txiaj ntsig tau ntev. Hauv qab no yog cov teeb meem tseem ceeb hauv laser vuam thiab yuav ua li cas daws lawv:
1. Kev tawg
Ua rau: Cracks feem ntau tshwm sim vim lub zog shrinkage ntau dhau ua ntej lub pas dej vuam tau ua tiav tiav. Lawv feem ntau cuam tshuam nrog kub tawg, xws li solidification lossis liquation tawg.
Kev daws: Txhawm rau txo lossis tshem tawm cov kab nrib pleb, preheating lub workpiece thiab ntxiv cov khoom muab tub lim tuaj yeem pab faib cov cua sov kom sib npaug, yog li txo qhov kev ntxhov siab thiab tiv thaiv cov kab nrib pleb.
2. Porosity
Ua rau: Laser vuam tsim qhov sib sib zog nqus, nqaim weld pas dej nrog ceev ceev. Cov gases tsim nyob rau hauv lub molten pas dej ua ke tsis muaj sij hawm txaus kom khiav tawm, ua rau cov tsim ntawm gas hnab ris (pores) nyob rau hauv lub weld.
Kev daws: Kom txo qhov porosity, ntxuav lub workpiece nto kom huv si ua ntej vuam. Tsis tas li ntawd, kev kho cov kev taw qhia ntawm cov shielding gas tuaj yeem pab tswj cov pa roj thiab txo qhov muaj feem ntawm qhov pore tsim.
3. Spatter
Ua rau: Spatter yog ncaj qha ntsig txog lub zog ceev. Thaum lub zog hluav taws xob siab dhau lawm, cov khoom siv vaporizes sib zog, ua rau txaws ntawm cov khoom siv ntawm weld pas dej.
Kev daws: Txo qhov vuam zog thiab kho qhov vuam ceev mus rau qib tsim nyog. Qhov no yuav pab tiv thaiv cov khoom vaporization ntau dhau thiab txo qhov tawg.
4. Hlawv-dhau
Ua rau: Qhov kev tsis zoo no tshwm sim thaum lub vuam ceev nrawm dhau, ua rau cov hlau ua kua tsis tuaj yeem rov faib tau zoo. Nws kuj tseem tuaj yeem tshwm sim thaum qhov sib koom ua ke yog qhov dav dhau, txo cov hlau molten muaj rau kev sib txuas.
Kev daws: Los ntawm kev tswj xyuas lub zog thiab vuam ceev hauv kev sib raug zoo, kev kub hnyiab tuaj yeem tiv thaiv tau, kom ntseeg tau tias lub pas dej welding muaj kev tswj xyuas kom zoo rau kev sib raug zoo.
5. Kev txiav txim siab
Ua rau: Undercutting tshwm sim thaum lub vuam ceev qeeb dhau, ua rau lub pas dej loj, dav weld. Cov hlau molten ntau ntxiv ua rau nws nyuaj rau qhov nro los tuav cov kua hlau hauv qhov chaw, ua rau nws sag.
Kev daws: Kev txo qis lub zog ceev tuaj yeem pab kom tsis txhob muaj kev cuam tshuam, ua kom lub pas dej molten tuav nws cov duab thiab lub zog thoob plaws hauv cov txheej txheem.
Lub luag haujlwm ntawm Dej Chillers hauv Laser Vuam
Ntxiv nrog rau cov kev daws teeb meem saum toj no, kev tswj xyuas qhov ua haujlwm zoo ntawm lub laser vuam yog qhov tseem ceeb heev los tiv thaiv cov teeb meem no. Qhov no yog qhov chaw dej chillers tuaj ua si. Siv cov dej chiller thaum lub sij hawm laser vuam txheej txheem yog qhov tseem ceeb vim tias nws pab tswj qhov kub thiab txias hauv laser thiab workpieces. Los ntawm kev tswj cov cua sov hauv qhov chaw vuam zoo, cov dej chillers txo cov cua sov ua kom sov thiab tiv thaiv cov khoom siv kho qhov muag los ntawm thermal puas. Qhov no ua kom muaj kev ruaj ntseg thiab zoo ntawm lub laser beam, thaum kawg txhim kho qhov vuam zoo thiab txo qhov kev pheej hmoo ntawm qhov tsis xws luag xws li tawg thiab porosity. Tsis tas li ntawd, cov dej chillers txuas ntxiv lub neej ntawm koj cov cuab yeej los ntawm kev tiv thaiv overheating thiab muab kev txhim khu kev qha, ruaj khov.
Xaus: Los ntawm kev nkag siab cov hauv paus ntsiab lus ntawm kev siv laser vuam tsis xws luag thiab siv cov kev daws teeb meem zoo, xws li preheating, kho lub zog thiab ceev chaw, thiab siv chillers, koj tuaj yeem txhim kho vuam zoo. Cov kev ntsuas no ua kom muaj txiaj ntsig zoo, zoo nkauj zoo nkauj, thiab cov khoom siv ruaj khov, thaum tseem txhim kho tag nrho cov kev ua tau zoo thiab lub neej ntev ntawm koj cov khoom siv laser vuam.
Yog xav paub ntxiv txog yuav ua li cas los txhim kho koj cov txheej txheem laser vuam nrog cov txheej txheem txias txias, xav tiv tauj peb.
Peb nyob ntawm no rau koj thaum koj xav tau peb.
Thov ua kom tiav daim foos tiv tauj peb, thiab peb yuav zoo siab los pab koj.
ua 
TEYU S&A Chiller tau tsim muaj nyob rau xyoo 2002 nrog 23 xyoo ntawm kev tsim khoom siv chiller, thiab tam sim no tau lees paub tias yog lub tshuab cua txias pioneer thiab txhim khu kev qha tus khub hauv kev lag luam laser.
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