Cov rooj granite tau siv dav hauv cov khoom siv sib dhos precision thiab nrov vim lawv qhov ruaj khov zoo heev thiab qhov tseeb siab. Lub rooj granite yog ua los ntawm cov granite ntuj, uas muaj qib siab ntawm kev tawv, kev tiv thaiv kev hnav zoo heev, thiab kev ruaj khov siab, ua rau nws yog cov khoom siv zoo tagnrho rau cov khoom siv sib dhos precision. Txawm li cas los xij, ib yam li cov khoom siv engineering, cov rooj granite kuj muaj qee qhov tsis zoo uas cuam tshuam rau lawv cov kev ua tau zoo.
Ib qho ntawm qhov tsis zoo tshaj plaws ntawm lub rooj granite yog nws qhov rhiab heev rau qhov kub thiab txias hloov. Lub rooj granite muaj cov coefficient siab ntawm thermal expansion, uas txhais tau tias nws nthuav dav lossis cog lus thaum raug rau qhov kub thiab txias hloov. Kev hloov pauv kub tuaj yeem ua rau thermal gradients hla lub rooj granite, uas tuaj yeem ua rau deformation, ua rau tsis ruaj khov hauv cov txheej txheem sib dhos precision. Qhov tsis zoo no yog qhov txhawj xeeb loj rau cov chaw tsim khoom, tshwj xeeb tshaj yog cov neeg koom nrog kev siv tshuab ultra-precision.
Lwm qhov tsis zoo ntawm lub rooj granite yog nws lub peev xwm nqus dej. Granite yog ib yam khoom uas muaj qhov ntxeem tau, thiab dej tuaj yeem nkag mus rau hauv lub rooj granite, ua rau nws o thiab cog lus, ua rau deformation thiab tsis ruaj khov. Cov chaw tsim khoom yuav tsum ua cov kauj ruam los tiv thaiv cov dej noo kom tsis txhob nkag mus rau hauv lub rooj granite, xws li kaw qhov chaw ntawm lub rooj lossis siv ib puag ncig uas tswj tau cov dej noo.
Qhov chaw tiaj tiaj ntawm lub rooj granite kuj yog qhov txhawj xeeb rau cov tuam txhab tsim khoom. Txawm hais tias cov rooj granite muaj qhov tiaj tiaj siab, lawv tsis zoo tag nrho, thiab lawv qhov tiaj tiaj tuaj yeem hloov pauv raws sijhawm. Qhov tiaj tiaj ntawm lub rooj granite tuaj yeem cuam tshuam los ntawm ib puag ncig, kev thauj khoom, thiab lwm yam. Txhawm rau kom tswj tau qhov tiaj tiaj ntawm lub rooj granite, cov tuam txhab tsim khoom yuav tsum tsis tu ncua tswj thiab kho lub rooj kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws.
Cov rooj granite kuj tseem raug kev puas tsuaj vim lawv qhov nyuaj siab. Cov npoo ntawm lub rooj granite tuaj yeem yooj yim tawg lossis tawg vim muaj kev ntxhov siab ntau dhau thaum lub sijhawm teeb tsa lossis siv. Txawm tias cov chips me me lossis tawg tuaj yeem ua rau tsis ruaj khov hauv cov txheej txheem sib dhos thiab cuam tshuam rau kev ua haujlwm ntawm cov khoom. Txhawm rau tiv thaiv kev puas tsuaj rau lub rooj granite, cov chaw tsim khoom yuav tsum ua tib zoo saib xyuas thiab zam kev ntxhov siab ntau dhau thaum lub sijhawm teeb tsa lossis siv.
Xaus lus, lub rooj granite yog ib yam khoom zoo heev rau cov khoom siv sib dhos ua ke, tab sis nws muaj nws qhov tsis zoo. Txawm hais tias muaj cov qhov tsis zoo no, cov chaw tsim khoom tuaj yeem ua cov kauj ruam los xyuas kom meej tias lub rooj granite ua haujlwm zoo tshaj plaws. Los ntawm kev tswj hwm thiab kho lub rooj, tswj hwm ib puag ncig, thiab tuav nws nrog kev ceev faj, cov chaw tsim khoom tuaj yeem txo qhov cuam tshuam ntawm cov qhov tsis zoo thiab xyuas kom meej tias lawv cov khoom siv sib dhos ua ke zoo tshaj plaws.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-16-2023