Kodi Cone Bit Imatanthauza Chiyani?

Chogwirira cha koni ndi chida chopangidwa ndi tungsten kapena chitsulo cholimba chomwe chimaphwanya miyala panthawi yoboola. Nthawi zambiri chimapangidwa ndi zidutswa zitatu zozungulira zokhala ndi mano olimba zomwe zimaswa miyala kukhala zidutswa zing'onozing'ono. Ndi chida chomwe chimagwiritsidwa ntchito kwambiri poboola popanda ngalande.
Dzina lina la koni bit ndi roller cone bit.

Trenchlesspedia Ikufotokoza za Cone Bit
Howard Hughes, Sr. akudziwika kuti ndiye anapanga chida chobowolera miyala cha "Sharp–Hughes". Analandira chilolezo cha ichi mu 1909. Mwana wake wamwamuna, Howard Hughes, Jr., anakhala m'modzi mwa anthu olemera kwambiri padziko lonse lapansi pogwiritsa ntchito chida ichi panthawi ya kuchuluka kwa mafuta ku Texas.

Kutha kuphwanya miyala pobowola kunapangitsa kuti chogwirira cha cone chikhale chida chabwino kwambiri. Mtundu wamakono wa chogwirira, chogwirira cha tri-cone rotary drill, chimagwiritsa ntchito kuphatikiza kwa kupota ndi kuzungulira kwa zinthu zolimba kuti ziswe miyala pamene ikuponyedwa pansi kwambiri. Madzi amphamvu kwambiri amakakamizika kudzera mu annulus ya chingwe chobowola, chomwe chimachotsa zidutswa za miyala yosweka ndikuzibweza pamwamba.