8 1/2 ʻīniha PDC Drill Bit M137 no ka ʻeli ʻana i nā pōhaku paʻakikī loa
Wehewehe Huahana
Pono nā mea hana wili e noʻonoʻo i kēia mau mea:
1> Kino matrix a i ʻole ke kino kila.
2> Nā nui o ka mea ʻoki a me ka nui o nā pahi.
3> Nā mea ʻoki lālani pālua a i ʻole ka lālani hoʻokahi.
4> Palekana anakahi wili a maʻamau paha, lōʻihi anakahi, nā mea pale anakahi.
5> Nā Nozzles.
Noi
Nā ʻano paʻakikī waena a paʻakikī me ka ikaika compressive haʻahaʻa, e like me ka shale paʻakikī, ka limestone, ka one pōhaku, ka dolomite, ka gypsum paʻakikī,
kinikini, a pēlā aku.
Nā hiʻohiʻona
He ʻāpana PDC kino matrix ka M1375 me ka pahi ʻokiʻoki 7 me ka pale ʻana i ke kua a me ka pale ana spiral. Hoʻolālā Hydraulic i hoʻomaikaʻi ʻia
a me nā hopena hoʻomaʻemaʻe a me ka hoʻomaʻalili ʻana i hoʻonui ʻia o nā ʻāpana e pale ai i ka ʻāpana mai ka pōpō ʻana.
Nā kikoʻī huahana
ʻO ke kikoʻī huahana o nā PDC Drill Bits M137 no ka ʻeli ʻana i nā pōhaku paʻakikī loa
| Helu o nā Lau | 7 |
| Ka nui o ka mea ʻoki mua | 13mm |
| Ka nui o ka nozzle. | 6 NZ |
| Lōʻihi o ke ana | 2.2 ʻīniha |
Nā Palena Hana
| RPM (r/min) | 60~260 |
| WOB(KN) | 20~100 |
| Ka helu kahe (lps) | 22~35 |











