Description: Typical Laboratory testing of Polycrystalline Diamond Compact (PDC) bits is performed on relatively rigid setups. Even in hard rock, PDC bits exhibit reasonable life using such testing schemes. Unfortunately, field experience indicates otherwise. In this paper, they show that introducing compliance in testing setups, provides better simulation of actual field conditions. Using such a scheme, they show that chatter can be severe even in softer rock, such as sandstone, and very destructive to the cutters in hard rock, such as sierra white granite.
Date: November 9, 1999
Creator: GALLOWAY,ROBERT B.; SLAVIN,PAULA JANE; METHVIN,RHONDA KAY & FRITTS,JOSEPH EDGAR
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