Zvinoenderana nekugovaniswa kweakasiyana dombo strata, hukuru hwakasiyana uye madhayamita emazino ebhora anogadzirirwa kudhiraivha kwemugodhi.Kuboorwa kwedombo kunoshandisa mazino makuru ebhora redhayamita, uye chibooreso chacho chakasimba uye chinogara kwenguva refu.Mazino ane spherical anowanzo kushandiswa.Iyo chaiyo dhizaini yemazino akatenderedzwa inoita kuti iyo denderedzwa korona yemuviri uye inofungidzirwa cone muviri kuumba yakanaka mhedzisiro yekupwanya matombo pamwechete.Mukuita kuchera, hard rock drill inoita basa rakakosha, iro dombo rimwechete, rine hard rock drill kuvaka, mhedzisiro yacho iri pachena.
Hard rock bits 'raibhurari inogadzirwa neyemhando yepamusoro alloy simbi, iyo yakashongedzwa-yakagadzirwa kuti ive nechokwadi chemuviri wakakwana uye kupisa-kurapwa kuti uwane kuomarara kunodiwa, uku ichiisa pamusoro munzvimbo yekumanikidza kudzvinyirira kuvandudza kupikisa kwayo. slack.Dziva uye bhiti zvakakosha zvakafanana, saka dombo rakaomarara rinonatsiridza kusimba uye kuvimbika kwedhishi uku uchivandudza bhiti.
Nguva yekutumira: Nov-08-2021