Methods of repairing cutting element pockets in earth-boring tools with depth-of-cut control features

摘要

Methods of repairing earth-boring tools may involve providing wear-resistant material over a temporary displacement member to repair a cutting element pocket in a body and a depth-of-cut control feature using the wear-resistant material. In some embodiments, the wear-resistant material may comprise a particle-matrix composite material. For example, a hardfacing material may be built up over a temporary displacement member to form or repair a cutting element pocket and provide a depth-of-cut control feature. Earth-boring tools may include a depth-of-cut control feature comprising a wear-resistant material. The depth-of-cut control feature may be configured to limit a depth-of-cut of a cutting element secured within a cutting element pocket partially defined by at least one surface of the depth-of-cut control feature. Intermediate structures formed during fabrication of earth-boring tools may include a depth-of-cut control feature extending over a temporary displacement member.

主权项

1. A method of repairing an earth-boring tool, comprising:
removing a cutting element from a cutting element pocket in a body of the earth-boring tool; inserting a temporary displacement member into the cutting element pocket in the body of the earth-boring tool; providing a depth-of-cut control feature comprising a particle-matrix composite material over a portion of a surface of the temporary displacement member, the depth-of-cut control feature bonded to the body of the earth-boring tool proximate the temporary displacement member, including forming the depth-of-cut control feature to have a size and shape configured to limit a depth-of-cut of another cutting element to be secured within the cutting element pocket; removing the temporary displacement member from the cutting element pocket; and securing the other cutting element within the cutting element pocket.