Lub ntsiab tsim tsis zoo ntawm tiaj weld flanges yog tias lawv tsis tau lees tias yuav tsis muaj paug. Qhov no yog qhov tsis zoo ntawm nws cov qauv tsim: kev sib txuas yog dynamic, thiab thermal expansion thiab pulsating cyclic loads tuaj yeem ua rau txav ntawm qhov chaw flange, uas tuaj yeem cuam tshuam rau kev ua haujlwm ntawm flange, cuam tshuam nws txoj kev ncaj ncees thiab thaum kawg ua rau xau. Tsis muaj cov khoom lag luam tuaj yeem tsis muaj qhov tsis xws luag, tab sis peb yuav tsum sim tswj cov khoom tsis zoo rau qhov tsawg kawg nkaus. Yog li ntawd, thaum tsim lub tiaj vuam flanges, lub tuam txhab sim txhim kho qhov kev ua tau zoo ntawm cov khoom kom nws muaj peev xwm ua si nws lub luag haujlwm siab tshaj plaws.
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