ROUNDED CUTTER POCKET HAVING REDUCED STRESSED CONCENTRATION

摘要

A method for forming a drag bit (10) using displacements (16) having a ro unded end (26) that creates a cutter pocket (13) having a rounded rear porti on.(15). The displacement (16) may comprise an insert (46) on the rounded en d that remains in the drag bit during and after formation. A cutter element (35) may then be attached to the upper portion of the insert (46). The round ed shape of the insert (46) provides a more even force distribution.