Importance

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Abstract

A method of truing cutting tools of the type comprising a plurality of stick-type cutting blades releasably secured in a cutter head, the cutting blades having a cutting edge and a cutting side relief surface oriented at a predetermined relief angle. The method comprises mounting a cutting tool to the spindle of a truing apparatus having a cutting tool spindle and a measuring probe with the probe capable of being moved along a first direction defining probe offset travel and along a second direction defining in/out feed motion of the probe. The cutting side relief surface of the cutting blade is positioned with respect to the probe whereby the cutting side relief surface is substantially parallel to the direction of probe offset travel. The cutting side surface of the cutting blade is probed and the position reading is recorded. The recorded position is compared with a predetermined position, and (a) if the recorded position is within a pre-set tolerance range of the predetermined position, the cutting tool is indexed to another cutting blade, or, (b) if the recorded position is outside of a pre-set tolerance range of the predetermined position, the position of the cutting blade in said cutter head is axially adjusted by an amount to reposition the cutting side within the pre-set tolerance range.

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First Claim