Hauv kev lag luam xws li chip manufacturing thiab precision ntsuas, cov khoom ntawm cov ntaub ntawv ncaj qha txiav txim siab qhov tseeb ntawm cov khoom. Granite, nrog nws tsib tus yam ntxwv tseem ceeb, sawv tawm ntawm cov khoom siv xws li hlau, engineering plastics thiab ceramics, thiab tau dhau los ua "tus khub kub" ntawm cov khoom siv high-end.
1. Thermal stability: "kev tiv thaiv" rau qhov kub thiab txias
Rau txhua txhua 1 ℃ hloov nyob rau hauv kub, stainless hlau expands los ntawm 17μm / m, aluminium alloy expands los ntawm 23μm / m, thaum granite tsuas expands los ntawm 4-8μm / m. Nyob rau hauv semiconductor factories, qhov kub siab uas tsim los ntawm kev ua haujlwm ntawm cov tshuab photolithography lossis qhov sib txawv ntawm qhov kub thiab txias ntawm qhov pib thiab nres ntawm cov cua txias yuav luag tsis muaj qhov cuam tshuam rau qhov ntev ntawm granite. Nyob rau hauv sib piv, lub deformation ntawm hlau thiab yas vim thermal expansion thiab contraction yuav yooj yim ua rau misalignment ntawm precision Cheebtsam.
2. Kev vibration tsis kam: "Devourer" ntawm kev vibration zog
Granite muaj qhov ntom ntom (2.6-3.1g / cm³), hardness ntawm 6-7 ntawm Mohs nplai, thiab damping piv 5-10 npaug ntawm stainless hlau. Hauv cov cuab yeej ntsuas ntsuas, nws tuaj yeem ua rau 90% ntawm lub zog vibration hauv 0.5 vib nas this, thaum cov khoom siv hlau xav tau 3 mus rau 5 vib nas this. Cov kev vibrations tsim los ntawm kev ua haujlwm ntawm cov khoom siv thiab kev txav ntawm cov neeg ua haujlwm hauv kev cob qhia yog qhov nyuaj rau co lub stability ntawm cov cuab yeej txhawb nqa los ntawm granite.
3. Tshuaj lom neeg ruaj khov: Qhov "qhuav" nyob rau hauv acidic thiab alkaline ib puag ncig
Thaum granite yog soaked nyob rau hauv ib tug muaj zog acid (pH = 2) los yog muaj zog alkali (pH = 12) tov rau 1000 teev, lub nto corrosion yog tsawg tshaj li 0.01μm. Stainless hlau yog feem ntau corrosion los ntawm acids thiab alkalis, aluminium alloy ntshai alkaline tshuaj, thiab engineering plastics yuav o thaum raug cov organic solvents. Granite cov qauv ntom ntom (porosity < 0.1%) kuj tseem tuaj yeem tiv thaiv cov kab mob sib kis, ua rau nws yog "cov khoom xaiv" rau semiconductor cleanrooms.
4. Kev Ua Haujlwm thiab Tus Nqi: Tus "Xib Hwb ntawm Kev Ntsuas" ntawm Precision thiab Kev Ua Haujlwm Zoo
Granite tuaj yeem ua rau hauv av kom tiaj tus ntawm ≤0.5μm / m thiab qhov roughness Ra ntawm ≤0.05μm, tab sis kev ua haujlwm yuav siv sijhawm ntev heev. Stainless hlau yog ib qho yooj yim rau txheej txheem tab sis nquag deformation, thaum ceramics muaj siab precision tab sis kim. Nyob rau hauv cov xwm txheej uas ua raws li nanoscale precision, cov nqi kev ua tau zoo ntawm granite deb tshaj li ntawm lwm cov ntaub ntawv.
5. Electromagnetic Purity: Cov "Cleaner" ntawm cov khoom siv hluav taws xob
Raws li cov khoom siv tsis yog xim hlau, granite yog cov khoom tsis sib nqus thiab tsis yog cov khoom siv, thiab yuav tsis cuam tshuam nrog cov sensors thiab cov khoom siv hluav taws xob. Cov hluav taws xob conductivity thiab hlau nplaum ntawm cov hlau, hluav taws xob zoo li qub ntawm engineering plastics, thiab dielectric poob ntawm ceramics tag nrho ua "cov ntsiab lus tsis muaj zog" nyob rau hauv lub ntsej muag ntawm cov cuab yeej precision xws li photolithography machines thiab nuclear magnetic resonance machines. Txawm li cas los xij, granite yog zoo kawg nkaus haum rau electromagnetic rhiab ib puag ncig.
Los ntawm qhov kub thiab txias tsis kam mus rau kev co, los ntawm kev tiv thaiv corrosion mus rau xoom electromagnetic cuam tshuam, granite tau ua pov thawj nrog nws cov khoom nyuaj uas nyob rau hauv kev lag luam ntawm precision manufacturing, nws yog irreplaceable " huab tais ".
Post lub sij hawm: May-20-2025