OPTIMUM DESIGN OF A PARALLEL CONVEYOR FOR ELECTROCOATING OF VEHICLE BODIES

Xiaolei Chen, Jun Wu, Liping Wang and Guoqin Gao

Keywords

Conveyor, parallel mechanism, optimum design, dynamic loadcarrying capacity, energy

Abstract

Based on parallel mechanisms, a parallel conveyor for the pretreatment and electrocoating of vehicle bodies is presented and the optimum design is investigated by taking maximum dynamic load-carrying capacity (DLCC), consumed energy and conditioning performance into account. The dynamic model is derived by using the principle of virtual work. The internal force distribution is studied to obtain the maximum DLCC. An expression for energy in a single trajectory has been deļ¬ned to evaluate the power drive. The optimum design is performed based on the performance indices subject to a set of appropriate mechanical constraints. An optimum design case is given to illustrate the method. This paper is useful for the design of parallel conveyors for the pretreatment and electrocoating of vehicle bodies.

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