Koj puas twv siv txoj hlua xov 80- theem puas lawm? Qee tus neeg yuav hais tias qhov no tsis yog qhov tsis tseem ceeb, ntawm chav kawm, Kuv tsis xav siv nws. Yog tias lub lag luam tsis ua tiav, kuv tsis tuaj yeem xav nws. Qhov no tsis yog lus dev. Muaj yeej muaj qee tus neeg uas luag thiab muaj lub neej zoo. Xav txog kev siv nws dua, yuav tsis muaj teeb meem. Yuav kom ncaj ncees, lub nra-kev muaj peev xwm ntawm 80-qib saw yog qhov tsis lees paub, tab sis nws tsis yog vim li cas koj yuav txuas ntxiv siv nws thaum cov saw hlau tau puas lawm. Qhov kev tsim nyog 80-qib saw yuav tsum tau muab pov tseg kom zoo, thiab txiav txim siab raws li kev puas tsuaj kom pom tias muaj peev xwm txuas mus ntxiv.
1. Thaum lub saw yog deformed, qee tus neeg yuav xav tias cov saw yog li txhav thiab tsis tawg, nws yuav tsis cuam tshuam rau kev siv. Qhov ntawd yog qhov yuam kev loj heev. Kev hloov kho ntawm txoj saw muaj kev cuam tshuam nrog lub nra-tus kabmob ntawm tag nrho cov qauv saw hlau. Piv txwv, qhov txwv ntawm lub nra-cov kabmob muaj peev xwm ntawm 80-chav kawm txoj hlua yog 30T. Thaum lub cev deformation tshwm sim, lub peev txheej load-poob peev xwm yuav poob rau 25T. Qhov no tseem tsis tau ceeb toom rau. Vim tias qhov kev hloov khoom ua tau zoo tsis tuaj yeem pom los ntawm lub qhov muag liab qab, qhov xwm txheej no xav kom peb hu rau cov kws tsim khoom lag luam tsim kom muaj kev kuaj xyuas thiab txij nkawm.
2. Cov saw hlau tawg. Qee tus neeg yuav siv hluav taws xob vuam hluav taws xob xav tias yuav tsis muaj teeb meem dabtsi. Qhov no tsis txaus ntseeg. Piv txwv li, nws zoo li cov hlau luv, khi nrog txoj hlua, koj yuav tsis tuaj yeem qhib nws nrog koj txhais tes, tab sis nws puas tuaj yeem muaj zog? Lub saw cranes yog tons ntawm cov khoom lag luam. Cov xwm txheej no ncaj qha muab cov saw hlau txuas tshiab.
3. Tsuas yog muab cov txheej txheem ua xim dub dub muag nyob rau saum npoo ntawm lub saw yog tev tawm, thiab tus neeg tuaj yeem tuaj yeem kho nws los ntawm nws tus kheej, uas yog, pleev xim rau saum npoo.
