ʻO ka ʻūpā cone he mea hana i hana ʻia me ka tungsten a i ʻole ke kila paʻakikī e wāwahi i nā pōhaku i ka wā o ke kaʻina hana ʻeli. Hana ʻia ia me ʻekolu mau ʻāpana conical wili me nā niho paʻakikī e wāwahi i ka pōhaku i mau ʻāpana liʻiliʻi. He mea hana maʻamau ia i nā hana ʻeli ʻauwaha ʻole.
ʻO kekahi inoa ʻē aʻe no ka ʻāpana cone he ʻāpana roller cone.
Ua wehewehe ʻo Trenchlesspedia i ka Cone Bit
Ua hāʻawi ʻia ʻo Howard Hughes, Sr. i ka manaʻo no ka hana ʻana o ka mīkini wili pōhaku "Sharp–Hughes". Ua loaʻa iā ia kahi palapala hoʻopaʻa no ia mea i ka makahiki 1909. ʻO kāna keiki kāne, ʻo Howard Hughes, Jr., ua lilo ʻo ia i hoʻokahi o nā kānaka waiwai loa o ka honua ma o ka hoʻohana ʻana i ka mea i hana ʻia i ka wā o ka ulu ʻana o ka ʻaila ma Texas.
ʻO ka hiki ke wāwahi i ka pōhaku i ka wā e ʻeli ana i ka ʻōpuʻu cone i mea hana maikaʻi loa. ʻO ka mana hou o ka ʻōpuʻu, ʻo ka ʻōpuʻu wili tri-cone, hoʻohana i ka hui pū ʻana o ka wili a me ka hoʻohuli ʻana o nā mea paʻakikī e hoʻoheheʻe i ka pōhaku i ka wā e hoʻokomo hohonu ʻia ai i loko o ka lepo. Hoʻoikaika ʻia ka wai wikiwiki ma o ka annulus o ke kaula wili, kahi e wehe ai i nā ʻāpana pōhaku haki a lawe iā lākou i luna.
Ka manawa hoʻouna: Sep-01-2022