Kev lag luam mob point
Surface microscopic defects cuam tshuam rau kev txhim kho qhov tseeb ntawm cov khoom siv kho qhov muag
Txawm hais tias granite kev ntxhib los mos yog ib qho nyuaj, tab sis nyob rau hauv cov txheej txheem ntawm kev ua, nws nto tseem yuav tsim microscopic tawg, xuab zeb qhov thiab lwm yam tsis xws luag. Cov teeb meem me me no tsis tuaj yeem pom ntawm qhov muag liab qab, tab sis tuaj yeem muaj kev cuam tshuam loj rau kev teeb tsa ntawm cov khoom siv kho qhov muag. Piv txwv li, thaum lub high-precision optical lens raug ntsia rau ntawm granite platform nrog microscopic tsis xws luag, qhov zoo tagnrho nruj haum ntawm lub lens thiab lub platform tsis tuaj yeem ua tiav, ua rau qhov chaw kho qhov muag ntawm lub lens optical offset, uas cuam tshuam rau txoj kev kho qhov muag qhov tseeb ntawm tag nrho cov khoom siv kho qhov muag, thiab thaum kawg txo qhov kev pom tseeb.
Kev tso tawm ntawm kev ntxhov siab hauv cov khoom ua rau deformation ntawm lub platform
Txawm hais tias granite tom qab lub neej ntev ntev, tab sis nyob rau hauv cov mining, ua cov txheej txheem, cov kev ntxhov siab sab hauv tseem yuav hloov. Sij hawm dhau mus, cov kev ntxhov siab no maj mam tso tawm, uas tuaj yeem ua rau deformation ntawm granite platform. Hauv cov khoom siv kho qhov muag nrog cov kev xav tau siab, txawm tias qhov me me deformation tuaj yeem ua rau qhov sib txawv ntawm kev tshawb pom qhov muag pom. Piv txwv li, nyob rau hauv precision kho qhov muag nrhiav kom tau cov cuab yeej xws li laser interferometers, me ntsis deformation ntawm lub platform yuav ua rau lub displacement ntawm qhov cuam tshuam fringe, uas ua rau cov kev ua yuam kev nyob rau hauv cov kev ntsuam xyuas thiab cuam tshuam rau kev ntseeg siab ntawm cov ntaub ntawv tshawb nrhiav.
Nws yog qhov nyuaj kom phim cov thermal expansion coefficient ntawm optical element
Cov khoom siv kho qhov muag feem ntau ua haujlwm nyob rau hauv qhov sib txawv ntawm qhov kub thiab txias, nyob rau lub sijhawm no, qhov sib txawv ntawm thermal expansion coefficient ntawm granite thiab cov khoom siv kho qhov muag yog qhov nyuaj heev. Thaum lub ambient kub hloov, vim lub inconsistent coefficient ntawm thermal expansion ntawm ob, nws yuav tsim txawv degrees ntawm expansion, uas tej zaum yuav ua rau cov txheeb ze tsiv los yog kev nyuaj siab ntawm lub optical element thiab granite platform, yog li cuam tshuam rau qhov raug thiab stability ntawm lub optical system. Piv txwv li, nyob rau hauv qhov kub thiab txias ib puag ncig, qhov contraction degree ntawm granite yog txawv los ntawm cov iav kho qhov muag, uas yuav ua rau kom xoob ntawm cov khoom siv kho qhov muag thiab cuam tshuam rau kev ua haujlwm ntawm cov cuab yeej tshawb nrhiav.
daws
High precision nto kho txheej txheem
Siv kev sib tsoo thiab polishing thev naus laus zis, granite nto yog ua tiav nrog ultra-precision. Los ntawm ntau cov txheej txheem sib tsoo zoo, nrog cov cuab yeej ua haujlwm siab CNC, tuaj yeem tshem tawm qhov tsis xws luag ntawm microscopic, kom lub ntsej muag ntawm granite flatness mus txog qib nanometer. Nyob rau tib lub sijhawm, kev siv thev naus laus zis xws li ion beam polishing yog siv los ua kom zoo dua ntawm qhov chaw zoo, xyuas kom meej tias cov khoom siv kho qhov muag tuaj yeem raug ntsia tau zoo, txo qis txoj kev kho qhov muag sib txawv los ntawm qhov tsis xws luag, thiab txhim kho qhov tseeb ntawm cov khoom siv kho qhov muag.
Kev ntxhov siab thiab kev saib xyuas lub sijhawm ntev
Ua ntej granite ua, qhov tob ntawm thermal aging thiab kev co aging kev kho mob kom ua rau kev tso tawm ntawm kev ntxhov siab sab hauv. Tom qab lub tshuab ua tiav, cov cuab yeej tshawb nrhiav kev ntxhov siab siab tshaj plaws yog siv los ua cov kev soj ntsuam kev ntxhov siab ntawm lub platform. Nyob rau tib lub sijhawm, tsim cov ntaub ntawv kho cov khoom siv mus sij hawm ntev, thiab tsis tu ncua xyuas qhov deformation ntawm granite platform. Thaum pom qhov me ntsis deformation los ntawm kev ntxhov siab tso tawm, nws raug kho nyob rau hauv lub sij hawm los ntawm cov txheej txheem kev hloov kho precision kom ntseeg tau tias kev ruaj ntseg ntawm lub platform thaum siv mus ntev thiab muab lub hauv paus txhim khu kev qha rau cov khoom siv kho qhov muag.
Thermal tswj thiab cov khoom sib txuam optimization
Raws li qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv ntawm thermal expansion, ntawm ib sab, ib qho kev tswj xyuas thermal tshiab yog tsim los ua kom qhov kub thiab txias hauv cov khoom siv kho qhov muag pom nyob rau hauv ib qho chaw ruaj khov los ntawm kev tswj kom raug, txo cov khoom nthuav tawm los ntawm kev hloov kub. Ntawm qhov tod tes, nyob rau hauv kev xaiv cov ntaub ntawv, tag nrho xav txog qhov sib txuam ntawm thermal expansion coefficient ntawm granite thiab optical Cheebtsam, xaiv granite ntau yam nrog zoo thermal expansion coefficient, thiab nqa tawm qhov sib xws optimization tsim ntawm optical Cheebtsam. Tsis tas li ntawd, cov ntaub ntawv nruab nrab tsis sib xws lossis cov qauv kev sib txuas yooj yim kuj tuaj yeem siv los txo qhov kev ntxhov siab los ntawm qhov sib txawv ntawm thermal expansion ntawm ob, kom ntseeg tau tias lub tshuab kho qhov muag tuaj yeem ua haujlwm ruaj khov hauv qhov sib txawv ntawm qhov kub thiab txias, thiab txhawm rau txhim kho ib puag ncig kev hloov pauv thiab tshawb pom qhov tseeb ntawm cov cuab yeej tshawb nrhiav.
Post lub sij hawm: Mar-24-2025