Cutting by use of rotating axially moving tool – Tool having crystalline cutting edge
Patent
1989-08-17
1993-04-06
Phan, Hien H.
Cutting by use of rotating axially moving tool
Tool having crystalline cutting edge
51206R, 76DIG12, 175373, 175434, E21B 1058, B23B 2720
Patent
active
051998327
ABSTRACT:
A diamond cutting table having the geometric characteristics of larger unleached diamond compact products and yet characterized by the physical properties of smaller leached diamond products is fabricated by forming a diamond cutter incorporating a plurality of polycrystalline diamond (PCD) leached disks. The PCD leached disks are disposed in array in a cutting slug formed of matrix material. The matrix material is disposed between and around the plurality of diamond disks and in one embodiment incorporates a volume distribution of diamond grit. The cutting slug is hot pressed or infiltrated to form an integral mass or table. The diamond table is then bonded to a cutter or directly molded into an integral tooth within a matrix body bit.
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Meskin Alexander K.
Pay Clifford R.
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