Tri-Cone Drill Bit: Nā ʻike noi

1) ʻO ke ʻano kumu o atricone drill bits. ʻO ke kino bit drill: ʻEkolu mau ʻāpana niho i hui ʻia a wili pū ʻia, a aia nā kaula hoʻohui ma ka ʻaoʻao o luna. Gear: he kino metala me ke ʻano cone i haku ʻia me ke kino a me nā niho. Hoʻokaʻawale ʻia nā niho i ʻelua ʻano: nā niho wili a me nā niho hoʻokomo, nā bearings a me nā nozzles mea hoʻopaʻa aila.

2) Ka loina hana o ka wili cone bit I ka manawa o kaʻāpana cone wilie hana ana ma ka lalo o ka luawai, kawili pu ka pahu drill a puni i ke ko'i o ka bit drill, i kapaia he revolution, a o na cones ekolu i ka lalo o ka luawai e like me ko lakou mau koi ponoi, i kapaia he rotation. ʻO ke kaomi wili ʻana i hoʻomanawanui ʻia e ka bit drill e hana ma luna o ka pōhaku ma o nā niho, e haki ai ka pōhaku (ka hopena ʻeha). I ka wā o ka ʻōwili ʻana, hoʻopili ʻia ka cone i lalo o ka luawai me nā niho hoʻokahi a me nā niho pālua, a lele ke kūlana o ke kikowaena o ka cone, e hoʻolulu ana i ka bit drill longitudinally. ʻO kēia haʻalulu lōʻihi ka mea e hoʻomau mau ai ke kaula drill a hoʻopololei. Hoʻololi ke kaula drill haʻahaʻa i kēia manawa e hoʻololi i ka ikehu elastic deformation i mea ikaika i ka hoʻokumu ʻana ma o nā niho e wāwahi i ka pōhaku. ʻO kēia hopena a me ka paʻi ʻana ke ala nui no ka pahu pahu pahu pahu e wāwahi ai i nā pōhaku.

Ma waho aʻe o ka pā ʻana a me ka ʻoki ʻana i ka pōhaku ma lalo o ka pūnāwai, hoʻopuka pū ka ʻāpana cone i nā hopena ʻako i ka pōhaku ma lalo o ka luawai. ʻOiai e kaʻa ana ka cone ma lalo o ka luawai, ʻo ia hoʻi ka mea e paheʻe ai nā niho i lalo o ka luawai. ʻO ka paheʻe ʻana o nā niho e hana i ka hopena ʻako i ka pōhaku ma lalo o ka pūnāwai, e ʻoki ana i lalo o ka luawai e like me kahi ʻōpala. ʻO ka paheʻe ʻana o nā niho ma muli o ka over-top, cone kōkua a me ka hoʻololi ʻana o ka huila. ʻO ka hoʻonohonoho ʻana i luna o ka cone cone e hoʻoheheʻe ʻia i ka ʻaoʻao tangential, a ʻo ka hoʻonohonoho hoʻololi ʻana o ka cone e hoʻoheheʻe ai i ka ʻaoʻao axial. maʻamau,nā ʻāpana drillno ka wili ʻana i nā ʻano hana palupalu a paʻakikī i hoʻolālā ʻia me ka over-top, cone cone a me nā kumu hoʻololi; ua hoʻolālā ʻia nā ʻāpana drill no ka wili ʻana ma waena-paʻakikī a paʻakikī me nā cones ma luna a me ka hui; ua hoʻolālā ʻia nā ʻāpana drill no ka wili ʻana i nā ʻano hana ʻino loa me nā cones ma luna a me ka hui pū. Hoʻohana pinepine nā ʻāpana drill i nā cones cone hoʻokahi, ʻaʻole i overshoot a neʻe paha i ke axis.

3) Hoʻokaʻawale a koho ʻana i nā Roller Bits He nui nā mea hana o ka roller bits, a ua hāʻawi kēia mau mea hana drill bit i nā drill bits o nā ʻano like ʻole a me nā hale. I mea e maʻalahi ai ke koho ʻana a me ka hoʻohana ʻana i nā ʻāpana ʻāpana ʻōwili, ua hoʻomohala ka International Institute of Drilling Contractors (IADC) i kahi maʻamau hoʻohui like ʻole a me ke ʻano helu helu no nā ʻāpana cone roller a puni ka honua. Ua kuhikuhi ʻo IADC e hōʻike ʻia kēlā me kēia ʻano drill bit e kahi helu helu ʻekolu, a penei ke ʻano o kēlā me kēia helu:

• Hōʻike ka huahelu mua i ke ʻano o ka niho a me ke ʻano kūpono no ka wili ʻana: 1- milling tooth, soft formation; 2- wili ʻana i ka niho, ka hana ʻana ma waena o waena; 3- wili niho, paakiki, abrasive a semi-abrasive paha; 4- kaawale; 5-Nīho, palupalu a me ka hoʻokumu ʻana; 6-Nīho, hoʻokumu waena-paʻakikī; 7-Ka niho, paakiki, abrasive a semi-abrasive paha; 8-Niho, paʻakikī loa, hana ʻino loa.
• Hōʻike ka huahelu ʻelua ua māhele ʻia ka hoʻokumu ʻana i ʻehā mau māka paʻakikī: 1, 2, 3, a me 4.
• Hōʻike ka huahelu ʻekolu i nā ʻano hana o ka drill bit: 1- Unsealed rolling bearing; 2- ʻO ka lālani o waho o nā niho T-like no ka pale anawaena; 3- E hookomo i na niho no ka pale anawaena ma ke anawaena ana; 4- i hoʻopaʻa ʻia i ka ʻōwili ʻana; 5- Hoʻopaʻa ʻia i ka ʻōwili ʻana ma ke anawaena ana Aia nā mea hoʻokomo a me nā ana; 6- i hoʻopaʻa ʻia i nā bearings sliding; 7- i hoʻopaʻa ʻia i nā bearings sliding me nā mea hoʻokomo a me nā ana ma ke ana; 8- nā bit deflection well direction; 9- 'ē aʻe.

ʻO nā hiʻohiʻona a me nā pono o ka roller cone drill bits:

• 1. ʻO ka haʻi pōhaku me nā hopena ʻelua o ka hopena a me ka ʻako, ka hopena o nā niho a me ka ʻako i hana ʻia e ka paheʻe ʻana, ka hopena i ka maikaʻi o ka wāwahi pōhaku.
• 2. Hiki ke hoʻololi ʻia i kahi ākea ākea a kūpono no ka wili ʻana ma nā ʻāpana āpau.
• 3. He hopena hoʻomaʻemaʻe maikaʻi ka drill bit a ʻaʻole maʻalahi ka lepo.
• 4. He haʻahaʻa ke kumu kūʻai o Drill bit.