Article | REF: M3015 V1

Forming lubrication - General principles and selection

Author: Éric FELDER

Publication date: April 10, 2006, Review date: January 11, 2023

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1. General information on lubrication

Everyday experience offers many examples of friction, adhesion and wear between solid bodies: a considerable force must be exerted to slide a heavy piece of furniture across the floor, thus overcoming the friction of the furniture's feet on the floor; unmolding a pie or cake after baking can prove problematic due to the adhesion between the dough and the mold if the latter has not been properly buttered beforehand; it's the wear and tear of pencil lead (and the adhesion of graphite to paper) that makes it possible to write on a sheet of paper. Metal shaping poses similar problems:

  • in wire drawing, excessive wire-die friction causes wire breakage;

  • in hot forging between deep dies, the formed part can remain bonded to one of the dies.

Practitioners routinely observe a marked...

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General information on lubrication