Cro hlau phom sij yog tsim los ntawm cov txheej txheem dov xws li dov thiab txias txias, tab sis nyob rau hauv cov txheej txheem no, muaj ntau yam tseem ceeb uas yuav pauv qhov tseeb cov khoom siv thiab lub suab ntawm cov hauj lwm yob. Yog tias nws tsis kho rau hauv lub sijhawm, nws yuav ncaj qha mus rau qhov ua kom zoo ntawm qhov sib tw txias thaum kawg. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tau kho qhov zoo ntawm cov yob.
Yuav kom kho tus yob cov duab, cov nram qab no muaj ntau zaus. Piv txwv, raws li tus tsim ntawm lub yob cov duab, thawj cov khoom ntawm cov hauj lwm yob yog xam raws li kev paub los yog kev xam, kom lub phaj thiab cov transverse thickness qhov txawv yog tswj, los yog qhov muab faib raws li qhov ntev ntawm lub hau yog hloov, uas yog hloov qhov dej txias ntawm txhua seem. Tus naj npawb, khiav thiab kub.
Ntawm chav kawm, hloov txoj hau kev yuav txo thiab kho txoj hlua khau yuav tseem ua si rau tej yam hauv kev hloov cov yob lub sij hawm winding. Nws tseem muaj hydraulic bending ntaus ntawv, nws tseem yuav kho tus yob winding, hloov cov yob lub sij winding degree, thiab kom lub zoo meej sib sau ntawm txias drawn steel.






