Doosan Cross Pin Teeth DH370 DH220 yofukula

Ubwino wa mano a chidebe chachitsulo chopanda mpweya woipa：

Choyamba, kulimba kwambiri: Poyerekeza ndi mano wamba a ndowa, kulimba kwake kumakhala bwino kwambiri, ndipo sikophweka kusweka panthawi yogunda.

Chachiwiri, kukana kuvala kwambiri: Mano a zidebe zachitsulo cha alloy amapangidwa ndi chitsulo cha alloy chotsika mpweya, ndipo kukana kwawo kuvala ndi kanayi kapena kasanu kuposa mano wamba a zidebe zachitsulo cha manganese chokwera.

Chachitatu, kukana kwake kuwonongeka, kuuma kwake, ndi kulimba kwake zimachepetsa kwambiri kuchuluka kwa nthawi zosinthira mano a chidebe cha rotary drilling rig, zomwe sizimangopulumutsa mtengo wa mano a chidebe okha, komanso zimachepetsa ndalama zogwirira ntchito zosinthira, zimathandizira bwino ntchito yomanga uinjiniya, ndikusunga nthawi kumawonjezera phindu lazachuma la ntchitoyi.

Chachinayi, kuuma kwambiri: Mano a chidebe chachitsulo chopangidwa ndi zitsulo ali ndi kuuma kwakukulu, ndipo amatha kulowa m'nthaka mwachangu kwambiri kuposa mano wamba a chidebe, ndipo ndi amphamvu kwambiri kuposa mano wamba a chidebe.