Invention Grant
US08925422B2 Method of manufacturing a drill bit 有权
钻头的制造方法

Method of manufacturing a drill bit
Abstract:
A method of manufacturing a drill bit having a bit body and a plurality of blades extending radially from the bit body is disclosed, wherein the method includes adhering a first matrix material to at least a portion of a mold cavity corresponding to an outer surface of the bit body, loading a second matrix material into the other portions of the mold cavity, and heating the mold contents to form a matrix body drill bit.
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