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The Influence of Tool Tolerances on the Gear Quality of a Gear Manufactured by an Indexable Insert Hob

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Author

Editor

  • Bernd-Robert Höhn

Summary, in English

Advances in gear hobbing are driven to give higher cutting speeds, longer tool life and higher feed rates. Recently, a new type of hob with carbide inserts has been introduced with benefits in all these conditions compared to regrindable high speed steel hobs. However, with this kind of hob, new challenges occur due to positional errors of the cutting edges when mounted on the tool. These errors introduce manufacturing errors on the gear teeth which have to be controlled. In this paper, the tooth quality of a gear manufactured by hobs with different quality classes is analysed using a simulation model in combination with Monte-Carlo methods. A statistical analysis of a commercial hob provides input to the Monte-Carlo model, where the axial and the radial deviations of these inserts are considered. Simulations are performed with different hob quality classes according to DIN 3968. The results from simulation are compared with experimental results of this actual hob at a gear manufacturer.

Publishing year

2013

Language

English

Pages

353-365

Publication/Series

VDI-Berichte 2199.1-2

Document type

Conference paper

Publisher

VDI Verlag GMBH

Topic

  • Mechanical Engineering
  • Materials Engineering

Keywords

  • Indexable Insert Hob
  • Gear Hobbing
  • Gear Quality

Conference name

International Conference on Gears

Conference date

2013-10-07 - 2013-10-09

Conference place

Munich, Germany

Status

Published

ISBN/ISSN/Other

  • ISSN: 0083-5560