Isho ukuthini i-Cone Bit?

I-cone bit iyithuluzi elenziwe nge-tungsten noma insimbi eqinile echoboza amadwala ngesikhathi sokumba. Ngokuvamile yenziwa ngezingcezu ezintathu eziyindilinga ezinamazinyo aqinile aqhekeza idwala libe yizicucu ezincane. Kuyithuluzi elisetshenziswa kakhulu emisebenzini yokumba i-trenchless.
Elinye igama le-cone bit yi-roller cone bit.

I-Trenchlesspedia Ichaza I-Cone Bit
U-Howard Hughes, Sr. uhlonishwe ngokusungulwa kwe-"Sharp-Hughes" ibhithi yokubhola. Wathola ilungelo lobunikazi balo ngo-1909. Indodana yakhe, u-Howard Hughes, Jr., oyisakhiwo sodumo u-Howard Hughes, waba ngomunye wamadoda acebe kakhulu emhlabeni ngokwenza imali ekusungulweni kwayo ngesikhathi sokukhula kukawoyela waseTexas.

Ikhono lokuchoboza idwala ngenkathi kubholwa lenza isigaxa sibe ithuluzi elihle kakhulu. Inguqulo yesimanje yebhithi, i-tri-cone rotary drill bit, isebenzisa inhlanganisela yokuphotha nokuzungezisa izinto eziqinile ukuze ihlakaze idwala njengoba iphonswa ijule emhlabathini. Uketshezi lwejubane eliphezulu luphoqwa nge-annulus yentambo yokubhoboza, esusa izingcezu zamatshe aphukile futhi izibuyisele phezulu.