[ame="http://www.youtube.com/watch?v=NTTzPB7SL3k"]YouTube - Slater Tools Chip Accumulation Video[/ame]
This video displays chips accumulating while rotary broaching a half-inch square hole in a mill. Rotary Broaching is a fast, amazing and accurate method of producing internal and external forms while the machine spindle is rotating. The chip is a continuous type, and the amount of heat genereated is minimal.