In this paper a simulation of the colouring system with all its components is described. Simulation model of the system includes power and free overhead conveyor system with defined working places. Except of the transport the overhead conveyor system ensures a storage function as buffer. Purpose of the logistics analysis is finding out the possibilities and opportunities for the process optimization in the colouring process.
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In this paper, the analytical travel time models for the unit-load double-deep AS/RS are presented. The proposed models consider the real operating characteristics of the storage and retrieval machine. With the assumption of the uniform distributed storage rack positions and the probability theory, the expressions of the single and modified dual command cycle have been determined. The proposed models enable the calculation of the mean cycle time for single and dual command cycles, from which the performance of the double-deep AS/RS can be evaluated.
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