SOURCE: Drill doctor won't sharpen bit
sounds like the angles have been cut wrong on the bits or you are drilling too fast
SOURCE: sharpening high speed engraving bits
The cost of man hours,electricity,etc may far outweigh the cost of a new tool. The problem is keeping the point of the tool on the exact centerline of the shank.
SOURCE: Any idea where I can get a # DW7512 Black &
There is a seller on eBay that sells an aftermarket made drill bit locator.
To clean out grit: With the Drill Doctor unplugged, shake accumulated bit grinding dust from behind the Wheel Cover into a disposable container. Remove dust particles around the wheel with a small, dry brush. Dispose of the container and drill bit dust in a safe and environmentally approved manner. With a dry cloth wipe the inside and outside of the Sharpening Port to remove any grinding dust that may have accumulated. A standard 1" vacuum hose works equally well.
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