Ob Chav Edge Crane Log
Ob chav log siv feem ntau siv nrog cov log tsheb ntawm cov hlais thiab cov cranes ntawm tus choj crane los yog txoj kab txiav crane.
Qhov siab ntawm flange log yog 25mm ~ 30 hli.
Nws txais cov ZG340-640 cast steel los yog ZG-50SiMn tsis tshua muaj hlau phom.
Kev nqhis tob ntawm qhov ntswg taw tsis muaj tsawg tshaj 20 hli.
Hardness ntawm dov nto yog 300 ~ 350HB rau ZG340-640 nrum steel log; rau ZG-50SiMn, hardness 420 ~ 480HB.
Cov khoom vaj khoom tsev, qhov tseeb thiab kev tsis txaus siab ntawm cov ntaub ntawv cog nrog JB / T 6392-2008 cov cai.
