The Rotary Cutter is used at the end of a printing press to cut paper at very high speeds to a size specified by the user. It is a 3-axis system run by the Siemens motion controller, SiMotion. DMC designed the system with three main routines. The Knife Setup Routine takes in a few parameters that are either manually entered or loaded from a job list and then calculates where the knives need to be positioned to cut the paper to the proper size. The Virtual Press Routine is used to run the rotary cutter based on a virtual press speed. This routine is used for testing and configuration purposes. The Auto Mode Routine is the main routine. It is used when the rotary cutter is geared to the press. It follows the press speed and has registration capabilities.
The solution was designed to be flexible and easy to use from a user standpoint. The programming style was designed to be easy to maintain and allows for rapid future expandability.
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