In the future, the products tend to be small batch, multi-variety development trend, the production line can be quickly changed according to different workpieces, and reasonable production layout can minimize the workpiece change time. Therefore, from the point of view of reasonable production layout, with the path of minimizing AGV as the optimization goal, the twin checkerboard model was established, and the digital lattice selection strategy and step size algorithm were used to optimize the station layout. Finally, the optimization of the production layout of the two processes was verified at the Tecnomatix Plant Simulation with five stations of different sizes and shapes. The results show that compared with the two random layout schemes, the AGV motion path is more than twice shorter, which is of great research value in the production exchange of parts with similar structure.
The future products have a tendency to small batch, multi-variety development trend, machine tool as an indispensable part of the production line, to achieve rapid production change provides an important guarantee. From the point of view of how to realize rapid production change of machine tools, this paper constructs a production system of rapid production change of machine tools based on digital twin technology, analyzes the main technology of rapid production change of machine tools, and puts forward a tool path modeling method based on grid method to realize the programming of machining instructions of any part of machine tools. The results show that it has important research value to generate the tool path of parts machining and realize the rapid production change of machine tools fundamentally.
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