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ROTARY CUTTING TOOL WITH INCREASED STIFFNESS AND METHOD OF ASSEMBLING SAME

  • US 20150283628A1
  • Filed: 04/07/2014
  • Published: 10/08/2015
  • Est. Priority Date: 04/07/2014
  • Status: Active Grant
First Claim
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1. A rotary cutting tool, comprising:

  • a cutter body having a forward end, a rearward end, the cutter body including a head, a shank, and a cavity extending from the rearward end toward the forward end along a central, longitudinal axis of the cutter body, the cavity having threads at one end thereof, the head including at least one cutting insert mounted in a pocket adjacent to at least one chip groove; and

    a stiffening device including a first compression screw threaded into the rearward end and a plurality of cylindrical slugs with high compressive strength disposed within the cavity,wherein the stiffening device increasing the stiffness of the cutting tool when the first compression screw is threaded into the rearward end of the cutting tool.

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