Method and arrangement for determining tool wear
Patent 4413507 Issued on November 8, 1983. Estimated Expiration Date: 
August 7, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 7, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3148537 3713127 3793627 Device for detecting damage on rotators Apparatus for detecting tip damages of a milling cutter Acoustic detection of tool wear and fracture Patent #: 4332161 InventorsApplicationNo. 06/291093 filed on 08/07/1981US Classes:73/104, SURFACE AND CUTTING EDGE TESTING700/175, Condition of tool or workpiece (e.g., tolerance, tool wear)73/587, Acoustic emission73/659Spectrum analysisExaminersPrimary: Swisher, S. ClementAttorney, Agent or FirmInternational ClassesB23Q 17/09 (20060101)B23Q 17/12 (20060101) G01B 17/00 (20060101) G01N 29/14 (20060101) Foreign Application Priority Data1980-08-07 DEAbstractIn a method and apparatus for monitoring tool wear, noise emission signals associated with a cutting operation of the tool are monitored and evaluated to determine when the tool has become blunt. With the system disclosed, friction noises associated with the cutting tool are excluded from analysis. | |
