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The technological and economical pressures in manufacturing industry require an optimization of existing production processes. For this purpose, Thermal elastic-plastic constitutive equations are established to gain insight into the quenching operation of a production system. The finite element model is established to model transient 3-D temperature ad stress fields during quenching of the cone-shaped...
Burrs formed on the work piece edges is a common phenomena in drilling. Burrs seriously affect the accuracy of measure and shape of the work piece. It is necessary to study the mechanism of burr formation in order to burrs controlling. A finilete element model is proposed in this paper, burr formation process is simulated and analyzed, including burr types, shear strain, strain rate and axial force...
Burrs formation is a very complicated process in metal cutting and its formation mechanism has not yet been fully revealed. A finite element model based on material failure mode is proposed in this study to simulate the burr forming process. According to workpiece materials deformation and mechanical properties from the simulation results, burrs formation mechanism is analyzed. To reveal the changes...
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