Patent ID: 7168896

Claim:
A tool for dressing electrode tips, comprising a toolholder having an opening extending through the toolholder from a top of the toolholder to a bottom of the toolholder along a central axis of the toolholder, and a plurality of insert mounting pockets disposed around the opening for mounting replaceable cutting inserts, wherein the plurality of insert mounting pockets includes a center pocket, a top pocket, and a bottom pocket, and a center insert is removably disposed in the center pocket, a top insert is removably disposed in the top pocket, and a bottom insert is removably disposed in the bottom pocket, and, when a top electrode tip and a bottom electrode tip are disposed in a dressing position relative to a top and a bottom of the opening in the toolholder and the tool is rotated, the center insert and the top insert dress the top electrode tip, and the center insert and the bottom insert dress the bottom electrode tip.