The harness manufacturing is mainly performed by handwork which has become the bottleneck of aircraft development. In order to improve the production efficiency, the characteristics of aircraft harness manufacture were summarized by analyzing the harness production processes. The model of production processes was put forward based on network graph to calculate the standard cycle time. And the actual production cycle was estimated by considering the effects of some uncertain factors. Finally, an optimized scheme, which aiming at promoting the balance of production line, was proposed by improving lineation process and adjusting operating positions. The simulation result in eM-Plant showed that the improvement can effectively shorten the harness production cycle time.
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