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SME MR910155
- The Application Of Impact Resistant Pcd In Rotary Percussion Drilling
- standard by Society of Manufacturing Engineers, 06/01/1991
- Publisher: SME
$9.00$18.00
A NEW DIAMOND CUTTING STRUCTURE, COMMONLY CALLED A DIAMOND ENHANCED INSERT, HAS BEEN DEVELOPED FOR ROTARY PERCUSSION DRILLING. SEVERAL YEARS WERE DEVOTED TO THE DEVELOPMENT AND TESTING OF THIS ADVANCEMENT. THE RESULT IS A MULTI-LAYERED DIAMOND COATING BONDED TO A TUNGSTEN CARBIDE SUBSTRATE. THE MULTI-LAYERED COATING GREATLY IMPROVES IMPACT RESISTANCE. DIAMOND ENHANCED INSERTS HAVE SEVERAL ADVANTAGES OVER CARBIDE. THEY INCREASE BIT LIFE, PROVIDE BETTER HOLE QUALITY, REDUCE DOWN TIME, AND DECREASE DRILLING COSTS.
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