Forca De Retencao De Freios
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1. Estudo analítico-numérico de freios de estampagem em chapas metálicas / A hybrid approach for estimating the drawbead restraining force in sheet metal forming
In order to get a better part quality in sheet metal forming, the rate of the material flow into the die cavity must be efficiently controlled. This control is made by a restraining force supplied either by the blankholder, the drawbeads or both. When the restraining force required is too high, the use of drawbeads is necessary, although excessive deformatio
Publicado em: 2007