Die lubrication is a fundamental operation in hot forging.
During production, it aims at cleaning, lubricating and cooling the die improving the sliding of material and reducing surface wear.
The commonest lubricant is a mix of water and graphite. In contact with the hot piece, water evaporates creating a steam cloud that cools the die down. Thanks to its lubricant detaching properties, graphite creates a film on the die that lubricates its walls and favours the separation of the piece being extracted.
This process assures a better product machinability and protects the die, thus increasing its duration.
Possible applications of die-holder lubrications
The automated die-holder lubrication process can be applied to:
- independent spraying arm
- spraying system integrated into the transfer bars
- spraying system activated from hands and robots
- spraying system installed directly on the press
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