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Robotic die spray systems offer forge shops the most options and flexibility to solve die spray issues. Additionally, there exists a variety of spray tip and nozzle designs that, when properly integrated, can help maintain quality and consistency from one forging cycle to the next.
Some basic methods of coating dies with solutions that both cool and lubricate the dies are examined. Advantages and disadvantages of each technique are considered.
The controlled cooling of a hot forging has several advantages over the antiquated practice of piling the forgings into a bin until the bin is full, then repeating the same uncontrolled filling of another bin until the forging run is completed. Repeatable cooling for each forging produces a consistent microstructure, hardness and residual-stress state in the parts as well as consistent dimensions at ambient temperature.
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