economic tool life

economic tool life

[‚ēk·ə¦näm·ik ′tül ‚līf]
(industrial engineering)
In metal machining, the total time, usually expressed in minutes, during which a given tool performs its required function under the most efficient cutting conditions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.