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Boring tool and method of reducing vibrations therein

  • US 4,553,884 A
  • Filed: 05/10/1982
  • Issued: 11/19/1985
  • Est. Priority Date: 05/10/1982
  • Status: Expired due to Term
First Claim
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1. A boring tool resistant to vibration comprising:

  • a boring bar having a central bore at one end;

    a boring bar head with means for attachment to said boring bar at said one end; and

    a tuned absorber package inserted in said bore for eliminating vibrations in said boring tool, said tuned absorber package having means for being self-contained and transferable between boring bars, said tuned absorber package comprising;

    an absorber mass;

    an elastomer support on either end of said absorber mass;

    a cylindrical canister for receiving said absorber mass and said elastomer supports;

    an end cap for said cylindrical canister;

    tuning means interacting with one of said elastomer supports so as to tune the desired vibration frequency of said absorber package; and

    dampening fluid within the cylindrical canister.

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