Design And Optimization Of Automobile Assembly-welding Line

Like any other production line design, the design of automobile assembly-welding line focuses on two points: work-load balance and workshop layout, by aiming at reducing the cost of maintenance and operation, improving the production efficiency, and assuring the long-term operation efficiency of the line. In this paper, the planning and design of an automobile assembly-welding line is conducted according to the specific requirement on production streamline and process of automobile assembly-welding production. The design is optimized centered by work-load balance and workshop layout. A small-scale automated layout software is also developed targeting at the design and optimization of automobile assembly-welding line. Associated achievement has been applied to the design and optimization of a practical automobile factory. Its effectiveness is thus evaluated.At first, based on the thought of lean production, the work-load balance of mass-production line is studied, and then the evaluation method is proposed on the workload balance of assembly-welding line.Then, the mathematical models for workshop layout of general production line and automobile assembly-welding line are given, the topology model of multiple constraints expression and workshop layout is presented in depth, and then principles on position check and constraints check are also presented. A modified genetic algorithm is also proposed based on traditional generic algorithm.Lastly, by utilizing the production line balance theory, the automated layout software developed in this paper is used to implement the design of the assembly-welding line of a automobile factory, including the production line design and optimization, robot layout, process design, and overall layout optimization.