Transactions of Materials and Heat Treatment

Title：Response surface fitting and improved bee colony algorithm optimization for vehicle bottom plate in stamping

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ClassificationCode：TG386

year,vol(issue):pagenumber：2021,46(3):89-95

Abstract：

In order to decrease the maximum thinning rate of stamping part for vehicle bottom plate, an optimization method for process parameters based on improved bee colony algorithm was proposed. Taking blank holder force, stamping speed and die clearance as optimizing parameters, based on optimal Latin hypercube sampling method, the experiment was designed, and the experimental simulation result was obtained by finite element software Dynaform. Then, the response surface model of quality parameters and process parameters was established and verified by the decision coefficient method and predicting error method, and the fitting accuracy and predicting accuracy of the model were very high. Furthermore, by setting stamping process parameters as nectar source location, the optimization problem of parameters was transferred to the problem of bee colony searching for optimal nectar source. In order to improve optimization quality, the selection probability of observer bee was improved, and the optimization performance of the algorithm was advanced. It is verified that the optimization ability of the improved bee colony algorithm is better than that of the traditional bee colony algorithm, and the thickness distribution of stamping parts produced by the optimized parameters is uniform, and the maximum thinning rate of stamping parts is 18.1%, which is reduced effectively compared with the current process parameters. Thus, the validity and realizability of stamping process optimization were verified.

Funds：

空军勤务学院青年基金项目（KQQNJJ20D001ZD）

王艳艳（1980-），女，硕士，副教授 E-mail：zgebjnl@163.com

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