Ngwa
Tricone ibe n'ibe, nke ụfọdụ nwekwara ike na-akpọ roller cone bits ma ọ bụ tri-cone ibe n'ibe, nwere atọ cones.Enwere ike ịtụgharị cone ọ bụla n'otu n'otu mgbe eriri egwu na-atụgharị ahụ nke bit ahụ.Cones nwere ihe mkpuchi rola dabara n'oge mgbakọ.Enwere ike iji mpempe mkpụgharị na-agbagharị agbawa n'ụdị ọ bụla ma ọ bụrụ na ahọpụtara onye na-egbutu, ihe na-ebu, na nozzle kwesịrị ekwesị.
Njirimara
1. A na-emezi ike na ike na-eguzogide nke ntinye site na iji ihe ntinye carbide nwere ike dị elu na nkwụsi ike dị elu.
2. Elu nke ikpo ọkụ dị elu na-ekpo ọkụ na-edozi site na iji usoro ọgwụgwọ okpomọkụ dị elu iji meziwanye ikike ibu na ndụ ọrụ nke ibu.
3. A na-agbatịkwu ndụ ọrụ nke bearing site n'inwe ihe siri ike ma na-eyi ihe na-eguzogide ọgwụ maka ịkwanye ihe.
4. Nke a usoro mmanụ ọma nkume bit eji akara ala ibu Ọdịdị.Ebe a haziri rollers n'ime oghere ndị dị n'ime ahụ cone, a na-abawanye nha akwụkwọ akụkọ na-ebu.
6. A na-eche ihu ihu siri ike ma na-eji teknụzụ na-ebelata esemokwu.
7. Rotary drill bits na-eji akwụkwọ akụkọ.elu isi nwere ihu siri ike.Cone nke nwere esemokwu na-ebelata alloy wee tinye ọla ọcha.Ikike ibu na nkwụsi ike nke ihe nkedo na-akawanye mma.
Ọdịdị Tricone bits Structure
Ntuziaka nke nhọrọ Tricone Bit
| IDC | WOB (KN/mm) | RPM(r/min) | NKWUKWU NDỊ KWESỊRỊ |
| 114/116/117 | 0.3-0.75 | 180-60 | Nhazi dị nro nke nwere ike mkpakọ dị ala na nnukwu drillability, dị ka ụrọ, nkume apịtị, nzu, wdg. |
| 124/126/127 | 0.3-0.85 | 180-60 | Nhazi dị nro na ike mkpakọ dị ala na nnukwu drillability, dị ka mudstone, gypsum, nnu, limestone dị nro, wdg. |
| 134/135/136/137 | 0.3-0.95 | 150-60 | Akpụkpọ ụkwụ dị nro na nke ọkara na ike mkpakọ dị ala na nnukwu drillability, dị ka shale dị nro, gypsum siri ike, nkume nzu dị nro dị nro, nkume aja dị nro dị nro, nhazi dị nro na nke siri ike, wdg. |
| 214/215/216/217 | 0.35-0,95 | 150-60 | Nhazi nke etiti nwere ike mkpakọ dị elu, dị ka shale dị nro, gypsum siri ike, nkume nzu dị nro, nkume aja dị nro dị nro, nguzobe dị nro na nke siri ike, wdg. |
| 227 | 0.35-0,95 | 150-50 | Nhazi siri ike nke ọkara nwere ike mkpakọ dị elu, dị ka abrasive shale, limestone, sandstone, dolomite, gypsum siri ike, marble, wdg. |
| Mara: E kwesịghị iji oke oke WOB na RPM dị na tebụl dị n'elu mee ihe n'otu oge. | |||
Ntuziaka nke tricone Bits ChoiceỤdị nha nha nke Tricone
Nha ibe n'ibe
| Nha Bit | PIN REG API | Torque | Ibu | |
| Inch | mm | Inch | KN.M | Eze |
| 3 3/8 | 85.7 | 2 3/8 | 4.1-4.7 | 4.0-6.0 |
| 3 1/2 | 88.9 | 4.2-6.2 | ||
| 3 7/8 | 98.4 | 4.8-6.8 | ||
| 4 1/4 | 108 | 5.0-7.5 | ||
| 4 1/2 | 114.3 | 5.4-8.0 | ||
| 4 5/8 | 117.5 | 2 7/8 | 6.1-7.5 | 7.5-8.0 |
| 4 3/4 | 120.7 | 7.5-8.0 | ||
| 5 1/8 | 130.2 | 3 1/2 | 9.5-12.2 | 10.3-11.5 |
| 5 1/4 | 133.4 | 10.7-12.0 | ||
| 5 5/8 | 142.9 | 12.6-13.5 | ||
| 5 7/8 | 149.2 | 13.2-13.5 | ||
| 6 | 152.4 | 13.6-14.5 | ||
| 6 1/8 | 155.6 | 14.0-15.0 | ||
| 6 1/4 | 158.8 | 14.4-18.0 | ||
| 6 1/2 | 165.1 | 14.5-20.0 | ||
| 6 3/4 | 171.5 | 20.0-22.0 | ||
| 7 1/2 | 190.5 | 4 1/2 | 16.3-21.7 | 28.0-32.0 |
| 7 5/8 | 193.7 | 32.3-34.0 | ||
| 7 7/8 | 200 | 33.2-35.0 | ||
| 8 3/8 | 212.7 | 38.5-41.5 | ||
| 8 1/2 | 215.9 | 39.0-42.0 | ||
| 8 5/8 | 219.1 | 40.5-42.5 | ||
| 8 3/4 | 222.3 | 40.8-43.0 | ||
| 9 1/2 | 241.3 | 6 5/8 | 38-43.4 | 61.5-64.0 |
| 9 5/8 | 244.5 | 61.8-65.0 | ||
| 9 7/8 | 250.8 | 62.0-67.0 | ||
| 10 | 254 | 68.0-75.0 | ||
| 10 1/2 | 266.7 | 72.0-80.0 | ||
| 10 5/8 | 269.9 | 72.0-80.0 | ||
| 11 1/2 | 292.1 | 79.0-90.0 | ||
| 11 5/8 | 295.3 | 79.0-90.0 | ||
| 12 1/4 | 311.2 | 95.0-102. | ||
| 12 3/8 | 314.3 | 95.0-102.2 | ||
| 12 1/2 | 317.5 | 96.0-103.0 | ||
| 13 1/2 | 342.9 | 105.0-134.0 | ||
| 13 5/8 | 346.1 | 108.0-137.0 | ||
| 14 3/4 | 374.7 | 7 5/8 | 46.1-54.2 | 140.0-160.0 |
| 15 | 381 | 145.0-165.0 | ||
| 15 1/2 | 393.7 | 160.0-180.0 | ||
| 16 | 406.4 | 200.0-220.0 | ||
| 17 1/2 | 444.5 | 260.0-280.0 | ||
| 26 | 660.4 | 725.0-780.0 | ||
Usoro mmepụta
