The increasing degree of sophistication observed in the forging industry requires a sound and fundamental understanding of equipment capabilities and characteristics. The equipment behavior influences the forging process since it determines the feasibility of forging a part and it affects the rate of deformation and the temperature conditions. The load and energy requirements of a given forming process must be compatible with the load, energy, time and accuracy characteristics of a given

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... machine. Discussed in this report are the important and basic characteristics of hydraulic presses, mechanical-crank-or eccentric-type presses, screw presses and hammers. The equipment behavior is considered in relation with the forging process. Most of the background used in this report was obtained from foreign sources since there appears to be very little information available in the U. S. literature on this subject. BATTELLE MEMORIAL INSTITUTE-COLUMBUS LABORATORIES