The automobile industry is one of the most important industries in global economics. The automobile\r\nmanufacturing industry consists of many shops and many stations. Each station has a number of\r\noperations, which depend on the number of welded pieces in those stations. One of these shops is the\r\nbody shop. The problems that occur in the body shop concern queuing and the lead time between\r\nstations. This paper focus on optimize queuing processes and lead time in the body shop at the\r\nproduction line. A multi-objective model was applied to create a balance of equal finishing of all\r\noperations in all stations at the same time and to reduce the lead time in transferring the car structure\r\nbetween stations. The result showed that saving time and ensuring maximum production can increase\r\nprofits in the automobile manufacturing industry.
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