METHOD AND TOOL FOR PRODUCING AN EXACT-FIT CYLINDRICAL BORE BY REMOVAL OF MATERIAL FROM AN EXISTING BORE WITH A FINISHING ALLOWANCE

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...

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Bibliographic Details
Main Authors MAURER, EUGEN, KOPTON, PETER
Format Patent
LanguageEnglish
French
German
Published 21.01.2015
Subjects
BROACHING
FILING
LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR
MACHINE TOOLS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PLANING
PUNCHING METAL
SAWING
SCRAPING
SHEARING
SLOTTING
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary: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.
Bibliography:Application Number: EP20130711572