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Method and apparatus for suppressing regenerative instability and related chatter in machine tools

  • US 5,957,016 A
  • Filed: 04/11/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 04/11/1997
  • Status: Expired due to Fees
First Claim
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1. A method for controlling chatter in a machine tool assembly during a machining operation, the machine tool assembly having a plurality of components, the plurality of components comprising a variable compliant component made with a material having a variable compliance, the plurality of components having a mechanical impedance, the method comprising the step of modulating the mechanical impedance of at least one of the plurality of components, wherein the machine tool assembly further comprises a chuck, the chuck in mechanical communication with the variable compliant component, wherein the step of modulating the mechanical impedance comprises modulating the resonant frequency of the plurality of components by changing the variable compliance of the variable compliant component to mitigate regenerative chatter vibrations.

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