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A hydraulic press to forging steel ingots contains parts and components that are much requested. In order to limit the efforts in these parts and components, and also to decrease maintenance, it is studied ways to optimize parameters of hydraulic press speed in function of maximum load available. In this optimization study, finite element simulations using commercial software called DEFORM TM 3D are performed. These simulations are carried out with different speed curves during upsetting process of AISI 4340 steel ingot assuring same deformation work between processes. Optimized speed is validated by real performed forging. It was achieved equivalent deforming work levels and the maximum load applied was decreased. Therefore, critical parts and components of hydraulic press were less requested.

OTIMIZAÇÃO DO PERFIL DE VELOCIDADE DE UMA PRENSA HIDRÁULICA DE FORJAMENTO ATRAVÉS DE SIMULAÇÃO POR ELEMENTOS FINITOS