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METHOD AND APPARATUS FOR DETECTING TOOL WEAR

  • US 3,694,637 A
  • Filed: 10/22/1970
  • Issued: 09/26/1972
  • Est. Priority Date: 10/22/1970
  • Status: Expired due to Term
First Claim
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1. Apparatus for analyzing the wear characteristics of a machine tool comprising:

  • an accelerometer for producing an output signal representing the vibration characteristic of an element in mechanical contact with the tool, and analyzer means responsive to the signal for providing frequency-power spectrum data of the vibration over a predetermined frequency range.

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