Omni-directional deburring blade

摘要

A tool that facilitates deburring interfaces in any stack orientation when access is limited to one side of the structure. The deburring blade has the capability to enter drilled holes and remove metallic burrs from mixed material interfaces regardless of stack orientation, i.e., metallic entrance or exit burrs within the stack. The blade design incorporates a slotted feature that hinges on a steel pin. The slot orientation is parallel to the metallic interface of the stackup. The resultant forces of metal material removal are reacted by the walls of the slot, allowing removal of metal material on either the front or back side of the blade tip.

主权项

1. A rotary deburring tool comprising:
a hollow body having an axis of rotation and comprising a bore parallel to the axis and a pin that is not parallel to the axis; a pilot holder comprising an opening at a forward end thereof and a piston portion slidably nested in said bore of said hollow body, said pilot holder being axially movable relative to said hollow body, wherein said piston portion of said pilot holder comprises a cylindrical bore that is partially closed at one end; a pilot comprising a proximal end that is received in said opening in said pilot holder and a longitudinal slot; a cutter blade comprising a shaft having a portion disposed inside said slot of said pilot, a pocket disposed near a distal end of said cutter blade, and a slot disposed near a proximal end of said cutter blade, said slot comprising first and second mutually opposing side edges disposed on opposite sides of said pin, wherein said pin in said slot blocks relative movement of said cutter blade in both axial directions, but does not block pivoting of said cutter blade about said pin; a cutter tip attached to and seated in said pocket of said cutter blade; a round nose plunger slidably nested in said cylindrical bore; and a spring disposed between said round nose plunger and said partially closed end of said piston portion of said pilot holder, wherein said spring is in a state whereby it urges said round nose plunger in a forward axial direction, and wherein said proximal end of said cutter blade comprises a fillet that is in contact with a portion of said round nose plunger which is not centered relative to said axis of rotation.