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Forging forming defects and machine failures are often caused by changes of forging force in the forging forming process. Tonnage signals contains significant amount of real-time forming information, by which the forging forming on-line monitoring system is developed. Tonnage signals produced by forging force are collected based on the principle of piezoelectric effect. The charge amplifier circuit...
As lack of a efficiency theoretical approximate solution for the volume effect mechanism analyzed during continuing and local vibrational plastic deformation process, according to vibrational rotary forging deforming characters, a three-dimension visco-elasticity plasticity constitutive equation was built by Kelvin model and Liewei-Mises model. After this constitutive equation was to be matrixing...
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