Hauv kev ntsuas kev ntsuas qhov tseeb, peb lub tshuab ntsuas kev sib koom tes yog cov cuab yeej tseem ceeb rau kev tswj cov khoom zoo, thiab lub hauv paus yog lub hauv paus rau nws txoj haujlwm ruaj khov. Nws thermal deformation kev ua tau zoo ncaj qha txiav txim siab qhov ntsuas qhov tseeb. Granite thiab cam khwb cia hlau, raws li ob lub hauv paus ntaub ntawv tseem ceeb, tau ntev nyiam ntau yam rau lawv qhov sib txawv ntawm thermal deformation. Nrog rau kev pom kev pom thev naus laus zis ntawm thermal imagers, peb tuaj yeem qhia ncaj qha qhov sib txawv tseem ceeb hauv thermal stability ntawm ob, muab kev tshawb fawb hauv paus rau kev xaiv cov khoom siv hauv kev lag luam precision.
Thermal deformation: Tus "Invisible Killer" cuam tshuam qhov tseeb ntawm peb-coordinate ntsuas
Lub tshuab ntsuas peb-coordinate tau txais cov ntaub ntawv peb-dimensional los ntawm kev sib cuag ntawm qhov kev sojntsuam nrog cov khoom raug ntsuas. Ib qho thermal deformation ntawm lub hauv paus yuav ua rau kev ntsuas kev siv hloov pauv. Nyob rau hauv ib puag ncig kev lag luam, yam xws li kev tsim hluav taws xob thaum lub sijhawm ua haujlwm ntawm cov khoom siv thiab kev hloov pauv hauv ib puag ncig kub tuaj yeem ua rau thermal expansion lossis contraction ntawm lub hauv paus. Me ntsis thermal deformation tuaj yeem ua rau muaj qhov sib txawv ntawm qhov ntsuas qhov ntsuas, thaum kawg ua rau ntsuas qhov yuam kev. Rau kev lag luam nrog cov kev xav tau siab heev xws li aerospace thiab semiconductors, kev ua yuam kev los ntawm thermal deformation tuaj yeem ua rau cov khoom seem lossis kev ua haujlwm tsis zoo. Yog li ntawd, thermal stability ntawm lub hauv paus yog qhov tseem ceeb heev.
Thermal imager: Pom qhov sib txawv ntawm thermal deformation
Thermal imagers tuaj yeem hloov qhov kub ntawm qhov chaw ntawm qhov khoom mus rau hauv cov duab pom. Los ntawm kev txheeb xyuas qhov kub hloov pauv hauv ntau qhov chaw, lawv tuaj yeem pom qhov teeb meem thermal deformation. Hauv qhov kev sim, peb xaiv granite thiab cam khwb cia hlau peb-coordinate ntsuas lub hauv paus ntawm tib lub specification, simulated lub tshav kub tiam thaum lub sij hawm ua hauj lwm ntawm cov khoom nyob rau hauv tib ib puag ncig, thiab siv ib tug thermal imager los sau cov kub hloov thiab thermal deformation txheej txheem ntawm ob qho tib si.
Cam khwb cia hlau puag: Qhov tseem ceeb thermal deformation thiab kev txhawj xeeb ruaj khov
Daim duab thermal duab qhia tau hais tias tom qab lub hauv paus hlau cam khwb cia tau ua haujlwm rau 30 feeb, muaj qhov tsis sib xws ntawm qhov kub thiab txias. Vim qhov tsis sib xws ntawm thermal conductivity ntawm cam khwb cia hlau, qhov kub thiab txias nyob rau hauv lub cheeb tsam ntawm lub hauv paus nce sai heev, thiab qhov sib txawv ntawm qhov siab tshaj plaws thiab qis tshaj kub yuav ncav cuag 8-10 ℃. Nyob rau hauv qhov kev txiav txim ntawm thermal stress, cam khwb cia hlau puag undergoes me me deformations pom ntawm qhov muag liab qab. Nws tau raug kuaj pom los ntawm cov cuab yeej ntsuas ntsuas siab uas qhov kev hloov pauv hauv nws cov kab tawm mus txog 0.02-0.03mm. Qhov deformation no yuav ua rau qhov kev ntsuas yuam kev nthuav dav mus rau ± 5μm, cuam tshuam rau qhov ntsuas qhov tseeb. Tsis tas li ntawd, tom qab lub hauv paus hlau cam khwb cia tsis khiav, cov cua sov dissipates maj mam thiab nws yuav siv sij hawm ntev li 1 mus rau 2 teev kom rov qab mus rau lub xeev thawj zaug, uas txwv tsis pub muaj peev xwm ua haujlwm tsis tu ncua ntawm cov khoom siv.
Granite puag: Cov thermal stability zoo heev kom ntsuas qhov tseeb
Hauv qhov sib txawv ntse, lub hauv paus granite pom zoo thermal stability thaum lub sijhawm ua haujlwm. Thermal imaging dluab qhia tau hais tias qhov kub ntawm qhov chaw faib yog uniform. Tom qab ib teev ntawm kev ua haujlwm, qhov kub siab tshaj qhov sib txawv ntawm lub hauv paus nto tsuas yog 1-2 ℃. Qhov no yog vim tsis tshua muaj coefficient ntawm thermal expansion ntawm granite (5-7 × 10⁻⁶ / ℃) thiab nws zoo heev uniformity ntawm thermal conductivity. Tom qab kev sim, qhov sib txawv ntawm qhov sib txawv ntawm cov granite puag nyob rau hauv tib yam kev ua haujlwm yog tsawg dua 0.005mm, thiab kev ntsuas qhov yuam kev tuaj yeem tswj tau hauv ± 1μm. Txawm hais tias tom qab ua haujlwm tas mus li ntev, lub hauv paus granite tseem tuaj yeem tswj tau qhov ruaj khov, thiab tom qab kev ua haujlwm nres, qhov kub ceev rov qab mus rau lub xeev ruaj khov, muab cov ntaub ntawv siv tau zoo rau kev ntsuas tom ntej.
Los ntawm kev nthuav qhia intuitive thiab cov ntaub ntawv sib piv ntawm thermal imager, qhov zoo ntawm granite hauv thermal stability yog pom tseeb. Rau cov tuam txhab tsim khoom uas ua raws li kev ntsuas siab, xaiv lub tshuab ntsuas peb-coordinate nrog lub hauv paus granite tuaj yeem txo qhov kev ntsuas qhov yuam kev los ntawm thermal deformation thiab txhim kho qhov raug thiab ua haujlwm ntawm kev tshuaj xyuas cov khoom. Nrog rau kev lag luam kev lag luam txav mus rau siab precision thiab txawj ntse, granite hauv paus, nrog rau lawv cov thermal stability, yog khi los ua cov khoom nyiam rau peb-coordinate ntsuas cov cav tov thiab txawm ntau precision khoom, tsav lub zoo tswj theem ntawm kev lag luam mus rau ib tug tshiab qhov siab.
Post lub sij hawm: May-13-2025