| Issue |
Matériaux & Techniques
Volume 87, Number 5-6, 1999
|
|
|---|---|---|
| Page(s) | 27 - 31 | |
| DOI | https://doi.org/10.1051/mattech/199987050027 | |
| Published online | 19 April 2017 | |
La méthodologie “couple outil-matière” et la mesure de l'usinabilité des aciers à haute résistance traités par le calcium
The “COM” (couple tool-material) methodology and the machinability measurement of calcium treated steels
1
GIAT Industries, Direction de la Formation et des Ressources Pédagogiques, Roanne
2
CREAS, Recherche Aciers Spéciaux d'Usinor, Ascometal, Groupe Usinor, Amneville
Abstract
A new methodology for machinahility measurement have been developed since the 80's : the Couple Tool-Material or the COM method. Used today by most of the industrials, it was standardised for turning and milling operations (NF E 66-520). New NF E standard for axial operations (drilling...) is actually studied. This method has proved on machining industrial applications its efficiency in highlighting clearly the machining working area for a precise tool-material binomial.
In this study, we machined two steels of the same quenched and tempered grade (AISI 4140) representing two levels of machinahility, due to their different inclusionary composition : a standard grade and a calcium treated one.
© SIRPE 1999
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