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Mining Tricone Bit TCI Bits SGA Alle Größen
Bohrertyp
![Dreikegelbohrer für den Bergbau](https://ecdn6.globalso.com/upload/p/365/image_other/2023-11/6566a930104e182274.jpg)
NUTZUNGSBEDINGUNGEN
1. Bergbau.
2. Gut wässern.
3. Ölfeld und Gas.
4. Bohranwendung im Bauwesen.
Grand Rotary Grand Bits verfügen über optimal gestaltete Lagerstrukturen und Hartmetalleinsätze, um den extremen Herausforderungen heutiger Bergbauanwendungen standzuhalten. Seien Sie immer bereit für Produktverbesserungen und die Bereitstellung leistungsstarker/kostengünstiger Produkte. Auswahl der richtigen Designs mit einem ausgewogenen Verhältnis zwischen hoher ROP (Eindringrate) und guter Bohrlebensdauer, die den Kunden gute TDC (Total Drilling Cost) gewährleisten.
AUSWAHLTABELLE
Dreikegelbohrer mit offenem Lager (Bergbau) | |||||||||||||||||||||
Typ | Weiche Formation | mittlere bis harte Formation | harte Formation | Extrem harte Formation | |||||||||||||||||
Zoll | mm | 412 | 422 | 432 | 442 | 512 | S22 | 532 | S42 | 612 | 622 | 632 | 642 | 712 | 722 | 732 | 742 | 812 | 822 | 832 | 842 |
6 1/4 | 159 | IN | IN | IN | |||||||||||||||||
6 3/4 | 171 | IN | IN | IN | IN | ||||||||||||||||
7 7/8 | 200 | IN | IN | IN | IN | IN | IN | IN | |||||||||||||
9 | 229 | IN | IN | IN | IN | IN | |||||||||||||||
9 5/8 | 244 | IN | |||||||||||||||||||
9 7/8 | 251 | IN | IN | IN | IN | IN | IN | ||||||||||||||
10 3/16 | 259 | IN | |||||||||||||||||||
10S/8 | 270 | IN | IN | IN | IN | IN | V | IN | IN | ||||||||||||
11 | 279 | IN | IN | IN | IN | ||||||||||||||||
12 1/4 | 311 | IN | IN | IN | IN | IN | IN | IN | IN | IN | |||||||||||
13 3/4 | 349 | IN |
Hinweis: Das „V“ in der Tabelle stellt den vorhandenen IADC dar, und der IADC ohne „V“ in der Tabelle kann entworfen werden.
Dreikegelbohrer mit abgedichtetem Lager (Bergbau) | |||||||||||||||||||||
Typ | weiche Formation | mittlere bis harte Formation | harte Formation | Extrem harte Formation | |||||||||||||||||
Zoll | mm | 415 | 425 | 435 | 445 | 515 | 525 | 535 | 545 | 615 | 625 | 635 | 645 | 715 | 725 | 735 | 745 | 815 | 825 | 835 | 845 |
7 7/8 | 200 | IN | IN | IN | V | IN | IN | IN | IN | IN | IN | IN | |||||||||
81/2 | 216 | IN | IN | IN | IN | IN | IN | ||||||||||||||
8 3/4 | 222 | V | IN | ||||||||||||||||||
9 | 229 | IN | IN | IN | IN | IN | IN | IN | IN | IN | IN | ||||||||||
9 1/2 | 241 | IN | |||||||||||||||||||
9 5/8 | 244 | IN | IN | IN | IN | ||||||||||||||||
9 7/8 | 251 | Und | IN | IN | IN | IN | IN | V | IN | IN | IN | IN | IN | IN | IN | ||||||
10 3/16 | 259 | IN | IN | IN | |||||||||||||||||
10 5/8 | 270 | IN | IN | IN | IN | IN | V | IN | IN | IN | IN | IN | IN | IN | IN | ||||||
11 | 279 | IN | IN | IN | IN | IN | IN | IN | |||||||||||||
11 1/2 | 292 | IN | |||||||||||||||||||
12 1/4 | 311 | IN | IN | IN | IN | IN | IN | IN | IN | IN | IN | IN | IN | ||||||||
13 3/4 | 349 | IN | IN | IN | IN | IN | |||||||||||||||
15 | 381 | IN |
Hinweis: Das „V“ in der Tabelle stellt den vorhandenen IADC dar, und der IADC ohne „V“ in der Tabelle kann entworfen werden.
BOHRERPROFIL
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