Drill Bit Cutter With Stress Reducing Features
A variety of methods, systems, and apparatus are disclosed, including, in one embodiment, a drill bit, comprising: a bit body defining a rotational axis and having a plurality of cutter pockets formed thereon, each cutter pocket shaped to receive a respective substrate of a cutter with a cutting tab...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A variety of methods, systems, and apparatus are disclosed, including, in one embodiment, a drill bit, comprising: a bit body defining a rotational axis and having a plurality of cutter pockets formed thereon, each cutter pocket shaped to receive a respective substrate of a cutter with a cutting table secured thereon, wherein the substrate of at least one cutter has an outer profile defining an area of increased braze gap; and a braze interface comprising a braze alloy disposed in each cutter pocket between the inner profile of the cutter pocket and the outer profile of the respective substrate, such that a thickness of the braze alloy is greater at the area of increased braze gap. |
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