Listar por autor "Puga, Hélder"
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DESIGN AND DEVELOPMENT OF A CENTRIFUGAL CASTING MACHINE FOR PISTONS PRODUCTION
Seabra, Eurico; Barbosa, Joaquim; Puga, Hélder (2009)This presentation concerns to the development of a centrifugal casting equipment to produce engine pistons with gradient of properties. Pistons require different properties in different areas of their body, such as high ... -
MODELAÇÃO E OTIMIZAÇÃO DE CENTRAIS ÓLEO-HIDRÁULICAS SERVO ACIONADAS AUTÓNOMAS
Costa, Jorge; Rodrigues De Seabra, Eurico Augusto; Puga, Hélder (2016)This paper describes the design of hydraulic power unit that are servo driven, autonomous and based on volumetric control, competing in efficiency, dynamics and environmental impact with the most currently developed ...