Qaum Steel cov yeeb nkab puv cov txheej txheem, cov txheej txheem rolling txuas ntxiv yog siv nyob rau hauv kev nruam cov yeeb nkab thiab cov yeeb nkab txo ntawm cov yeeb nkab steel. Nruam cov yeeb nkab yob yog txheej txheem uas cov yeeb nkab steel thiab ib tug qod tseem ceeb txav ua ke hauv ntau qhov sawv ntsug. Qhov deformation thiab kev txav ntawm cov yeeb nkab steel yog ib txhij cuam tshuam los ntawm yob thiab tus tseem ceeb qws.
Lub Mandrel tuaj yeem ua dawb-ntab, uas yog, nws yog tsav los ntawm hlau los mus rau pem hauv ntej; Nws tseem tuaj yeem raug txwv, uas yog, muab lub mandrel qhov ceev ntawm kev txav mus los txwv nws txoj kev hloov dawb. Thaum lub sijhawm txav, lub pob zeb mandrel, yob thiab cov yeeb nkab steel txuas rau rau hauv tag nrho, thiab ib qho ntawm cov kev hloov pauv hauv qhov txuas yuav ua rau pom kev hloov tag nrho. Qhov kev xav ntawm kev siv tas mus li yog kawm txog kev sib raug zoo ntawm lawv.
Lub Sijhawm Post: Jul-03-2023