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These parts are used mainly in transmission shafts for automobiles.

The technological and economic benefits of the so-called precision cold forging process can be found in the highly competitive near net shape blanks that are obtained thanks to:

  • the trunnions not having to be finished before grinding.
  • the possible direct broaching on the blank with no need for preliminary machining.

Recommended material grades: the complete range of case-hardened or carbonitrided steels, and also steels that can be used for induction hardening as an alternative to batch treatment.

Methods of production:

  • Forge: using vertical single station or multistation presses
  • Finishing: machining, broaching, heat treatment.

GÉVELOT EXTRUSION, drawing on more than 30 years of experience in this family of products, is able to offer a level of quality that fulfils the operational requirements of these products.

S.A. GÉVELOT EXTRUSION - 6, Bd Bineau - 92532 Levallois-Perret Cedex (France) - Tél. +33 (0)1 41 49 03 33 - Fax : +33 (0)1 47 48 90 37 | Site Map |
Réalisation : Mediapilote