Kev xaiv cov khoom siv thiab kev tsim tshuab ntawm pob ntsia hlau yog qhov tseem ceeb cuam tshuam rau nws qhov kev ua tau zoo thiab kev ntseeg tau. Txhawm rau kom ntseeg tau tias lub pob ntsia hlau tuaj yeem khiav ib txwm nyob rau hauv ntau yam kev ua haujlwm thiab ua tau raws li kev siv tshwj xeeb, cov tuam ntxhab yuav tsum xav txog ntau yam. Cia peb saib cov khoom xaiv ntawm pob ntsia hlau. Xaiv cov khoom tsim nyog yog qhov tseem ceeb heev rau kev ua haujlwm thiab lub neej ntawm pob ntsia hlau. Nov yog qee qhov kev txiav txim siab.
1. Lub zog thiab rigidity: Lub pob ntsia hlau yuav tsum muaj lub zog txaus thiab rigidity los ua lub luag haujlwm ua haujlwm thiab tswj kev sib kis tau zoo. Lub zog thiab rigidity ntawm cov khoom yog ib qho ntawm cov nyiam.
2. Hnav tsis kam: Pob ntsia hlau yuav hnav thiab rubbed thaum siv mus sij hawm ntev, tshwj xeeb tshaj yog nyob rau hauv kev kub ceev thiab siab load. Cov khoom siv yuav tsum muaj kev hnav zoo rau kev ua haujlwm ntev ntawm lub pob ntsia hlau.
3. Corrosion thiab corrosion fatigue kev ua tau zoo: Raws li daim ntawv thov ib puag ncig ntawm lub pob ntsia hlau, cov khoom yuav tsum muaj qee yam corrosion kuj los tiv thaiv kev puas tsuaj los ntawm ib puag ncig corrosion. Rau pob screws siv nyob rau hauv ntub dej los yog kub ib puag ncig, corrosion qaug zog yuav tsum tau soj ntsuam thiab txiav txim siab.
4. Temperature stability: lub pob ntsia hlau tuaj yeem ua haujlwm ntawm qhov sib txawv ntawm qhov kub thiab txias, yog li cov khoom siv yuav tsum muaj qhov kub thiab txias kom ntseeg tau tias kev ua haujlwm zoo hauv ntau qhov kub thiab txias.
5. Tus nqi tsim khoom thiab muaj: Ntxiv nrog rau kev ua haujlwm ntawm cov khoom siv, cov tuam ntxhab kuj yuav tsum xav txog qhov muaj thiab tsim cov nqi ntawm cov khoom. Qee cov ntaub ntawv ua tau zoo yuav tsis tsuas yog kim, tab sis kuj nyuaj rau kev tau txais, uas yuav ua rau kom tus nqi tsim khoom ntawm pob screws.
Raws li cov ntsiab lus saum toj no, cov khoom siv pob ntsia hlau feem ntau suav nrog: -High carbon steel: nrog lub zog siab thiab rigidity, nws tsim nyog rau feem ntau cov ntawv thov kev lag luam.
-Stainless hlau: Nws muaj kev tiv thaiv corrosion zoo thiab haum rau qhov chaw ntub dej lossis corrosive ib puag ncig.
-Aluminium alloy: Nws muaj cov yam ntxwv ntawm lub teeb yuag thiab zoo thermal conductivity, thiab haum rau qee qhov hnyav-sensitive daim ntaub ntawv.
-Copper alloy: zoo thermal conductivity thiab hnav tsis kam, haum rau high-speed thiab high-load daim ntaub ntawv.
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