Brief Introduction:
The strength and (http://maplered.com) wear resistance of inserts are improved by using carbide inserts with high strength and (http://maplered.com) extend the service life of the bearing, and (http://maplered.com) with the ability of applying high WOB and (http://maplered.com) RPM, The service life of the bearing is further extended by adopting harder and (http://maplered.com) more wear resistant Material (http://g654.org) for thrust bearing.
Uses and (http://maplered.com) Applicable Ranges of the Bit
Uses: The bit is used for air drilling, e.g., for drilling operations in open coal mine, iron mine and (http://maplered.com) non-ferrous mine, as well as petroleum air drilling.
Applicable ranges: The bit is applicable for drilling formations and (http://maplered.com) medium hard formations, such as limeStone (http://g603.net) , sand (http://maplered.com) atone, dolomite and (http://maplered.com) fireStone (http://g603.net) , etc.
Basic Specifications of the Bit:
IADC Code: | 6-3-2 |
Rock Bit Diameter: | 9 7/8 inches(250mm)) |
Type of the bearing: | Rollerballrollerthrust button |
Cutting Structure: | |
Inner rows and (http://maplered.com) top row: | Conical compacts |
Heel row: | Wedge compacts |
Shank; | 6 5/8REG(API) |
Weight: | 59kg |
Operating Recommendations
Weight on Bit(WOB) | :35000-65000lbs |
Rotary Speed: | 50-110RPM |
