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It is known that main aspect at a belt conveyor functioning is speed control. This issue has a greater impact upon a process when two or more belt conveyers must work together in order to obtain high quality products. In this case we talk about, not only speed controlling, but of another important aspect, synchronization of belt conveyers. Present paper describes a solution designed and implemented for synchronization of two belt conveyers of different lengths. Each belt conveyer is driven by a motor. Each motor works at its own speed drive. The two conveyors are working together in a process of producing anti-slip door mats which are mainly used at inside door, decorative purpose, etc. The proposed solution is using a PLC and two variable speed drivers with different transmission ratio. This solution can be applied in processes which are divided in sub-processes that must work as a production flow.

Solution for Synchronizing two Belt Conveyers using Motors with different Speeds Drive