GEWINDEBOHRER UND HERSTELLUNGSVERFAHREN DAFÜR

A thread cutting tap having a threaded portion for cutting out a thread in a wall of a workpiece opening into which the threaded portion is to be introduced. The threaded portion is provided with at least two cutting edges extending in a circumferential direction of the body. Each cutting edge is an...

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Bibliographic Details
Main Authors OKNESTAM, MAGNUS, ZIVKOVIC, STEFAN
Format Patent
LanguageGerman
Published 15.12.2009
Subjects
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
THREAD CUTTING
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH
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Summary:A thread cutting tap having a threaded portion for cutting out a thread in a wall of a workpiece opening into which the threaded portion is to be introduced. The threaded portion is provided with at least two cutting edges extending in a circumferential direction of the body. Each cutting edge is an integral peripheral part of a flank portion extending substantially radially from the body. The flank portions define between one another a chip removal flute extending in the longitudinal extension of the body for removal of chips. At least one of the flank portions has a side wall divided into a pair of elongated concave surfaces separated by an elongated ridge constituting a chip-breaking member. The chip removal flutes are at least partly helically shaped.
Bibliography:Application Number: AT20020766718T