Drill blade with slot for removing cut materials

Details Drill blade with slot for removing cut materials Drill blade with slot for removing cut materials

B - Operations, Transporting

23

B

B23B 41/00 (2006.01) B23B 51/00 (2006.01) B23B 51/04 (2006.01)

Patent

CA 2371454

A drill bit has an annular cutting edge to form a hole in a workpiece. The drill bit is received within a drill and rotated above 20,000 revolutions per minute. A distal end of the drill bit defines an annular edge surrounding a hollow cavity. The annular edge both cuts and melts the workpiece during formation of the hole. The drill bit also defines an exit hole passing perpendicular to an axial center of the drill bit. The exit hole and the hollow cavity join within an interior of the drill bit to form a material passage way. Core material cut from the workpiece is collected within the hollow area of the drill bit during operation. Rotational forces of the drill bit eject the core material thus allowing the drill bit to cut multiple holes without manually removing core material from the hollow cavity.

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