Gịnị ka Cone Bit pụtara?

Eriri cone bụ ngwa e ji tungsten ma ọ bụ ígwè siri ike mee nke na-azọpịa nkume n'oge a na-egwupụta ya. A na-ejikarị iberibe conical atọ na-agbagharị agbagharị nwere ezé siri ike nke na-agbaji nkume ka ọ bụrụ obere iberibe. Ọ bụ ngwa a na-ejikarị eme ihe n'ọrụ igwu ala na-enweghị trenchi.
Aha ọzọ maka obere ihe e ji akpọ cone bụ obere ihe e ji akpọ roller cone.

Trenchlesspedia kọwara Cone Bit
A na-enye Howard Hughes, Sr. otuto maka imepụta ihe e ji egwupụta nkume "Sharp–Hughes". O nwetara ikike ikike maka ya na 1909. Nwa ya nwoke, Howard Hughes, Jr., ghọrọ otu n'ime ndị kasị baa ọgaranya n'ụwa site n'iji ihe mepụtara ahụ mee ihe n'oge mmụba mmanụ na Texas.

Ikike ịkụpịa nkume mgbe a na-egwupụta ya mere ka kọn ahụ tọọ ezigbo ngwá ọrụ. Ụdị nke bit nke oge a, tri-cone rotary drill bit, na-eji ngwakọta nke ntụgharị na ntụgharị nke ihe siri ike iji gbajie nkume ka a na-etinye ya n'ime ala. A na-amanye mmiri ọsọ dị elu site na annulus nke eriri ọkpọkọ ahụ, nke na-ewepụ iberibe nkume gbawara agbawa ma na-ebuga ha azụ n'elu.