Invention Application
US20150158132A1 METHOD AND TOOL FOR PRODUCING AN EXACT-FIT CYLINDRICAL BORE BY REMOVAL OF MATERIAL FROM AN EXISTING BORE WITH A FINISHING ALLOWANCE 有权
通过从现有的钻孔中清除材料来生产精密圆柱体的方法和工具,具有完美的允许性

  • Patent Title: METHOD AND TOOL FOR PRODUCING AN EXACT-FIT CYLINDRICAL BORE BY REMOVAL OF MATERIAL FROM AN EXISTING BORE WITH A FINISHING ALLOWANCE
  • Patent Title (中): 通过从现有的钻孔中清除材料来生产精密圆柱体的方法和工具,具有完美的允许性
  • Application No.: US14385418
    Application Date: 2013-03-15
  • Publication No.: US20150158132A1
    Publication Date: 2015-06-11
  • Inventor: Peter KoptonEugen Maurer
  • Applicant: AUDI AG
  • Priority: DE102012005191.3 20120316; DE102012007514.6 20120417
  • International Application: PCT/EP2013/000803 WO 20130315
  • Main IPC: B23P13/02
  • IPC: B23P13/02 B23B27/10
METHOD AND TOOL FOR PRODUCING AN EXACT-FIT CYLINDRICAL BORE BY REMOVAL OF MATERIAL FROM AN EXISTING BORE WITH A FINISHING ALLOWANCE
Abstract:
The provided method and material-removing tool serve for producing an exact-fit cylindrical bore with a high degree of surface quality and a length that may be a multiple of the diameter from an existing bore with a finishing allowance. In order to reduce the time taken for the finishing by means of a reamer to be performed, it is proposed to use a tool in the form of an impact die, which is formed at the front end with a circular or substantially circular cutting edge, the diameter of which corresponds to the nominal diameter of the bore to be produced, and which tapers from directly behind the cutting edge or behind a front region of a certain length.
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