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Research on Forming Radius Prediction and Process Parameters Optimization of Incremental In-Plane Bending

Author: WangWeiZuo
Tutor: TangWenTing
School: Xi'an University of Technology
Course: Materials Science and Engineering
Keywords: To intermittent loading surface bending Bending radius forecasts Optimization of process parameters Neural Networks Genetic Algorithms
CLC: TG316.2
Type: Master's thesis
Year: 2009
Downloads: 15
Quote: 0
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Abstract


Intermittently loaded in-plane bending metal plate with intermittent localized compression to achieve the interaction of forming a free forging process , process parameters by tilting the punch large bending radius . Affecting the plate band bending radius Ft process parameters , the most important include the punch inclination angle α, the punch reduction s, Plate tape feeding amount P , the plate width W0 , the strip thickness t0 . During the forming process , and how to optimize these process parameters is an urgent problem . Article through the aluminum plate with intermittent loading surface bending experiment , the inclination angle α discussed punch punches reduction s, Plate tape feeding amount P , the plate width W0 on the bending radius of foot impact , developed intermittent load strip -plane bending database IPBDB . intermittent load -plane bending predict network model using artificial neural networks , through training , the network model can the numerical forecast output results according to the input node . When given after the process parameter values ??in the network input node , at the output node can predict the corresponding plate with a bending radius . The experiments prove that the predicted the strip bend radius and physical experimental value error in less than 3% , the establishment of a board with a bending radius of the prediction model is feasible . Curved plate with anti - wrinkle capacity as the optimization objective , punch s is the tilt angle α and the reduction of the punch optimization parameters , optimization of process parameters , the design of the basic genetic algorithm suitable for intermittent loading surface bending meet a given bend radius under the conditions of process parameters optimization .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal pressure processing > Forging, forging and blacksmith > Forging process > Free forging (non- forged )
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