Rock bits having metallurgically bonded cutter inserts

Details Rock bits having metallurgically bonded cutter inserts Rock bits having metallurgically bonded cutter inserts

E - Fixed Constructions

21

B

255/74

E21B 10/08 (2006.01) B22F 7/06 (2006.01) C22C 33/02 (2006.01) E21B 10/22 (2006.01) E21B 10/46 (2006.01) E21B 10/52 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1237122

ABSTRACT OF THE DISCLOSURE A cladding process is disclosed wherein hard carbide cutter inserts, as well as polycrystalline diamond composites, are metallurgically bonded in- into an interior core of a drag bit body. The cladding is bonded onto the exterior surface of the core of the drag bit by a powder metallurgy process. A thin layer or coat- ing of a suitable metal, preferably nickel, is pro- vided on, for example, the carbide inserts prior to mounting into the core. The coating prevents degra- dation of the carbide through loss of carbon into the core during the powder metallurgy process and accommodates mismatch of thermal expansion between the cutter insert and the core.

475943

Affiliated with

Also associated with

Rating

Rock bits having metallurgically bonded cutter inserts does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rock bits having metallurgically bonded cutter inserts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rock bits having metallurgically bonded cutter inserts will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1175855