Ormec Releases Rotary Knife Cut-to-Length Software

Ormec has released the Rotary Knife Cut-to-Length software for its XD-Indexer servo-drive system. The system is comprised of two XD-Indexer servo drives, a pacer encoder and an MMI touch panel. The application includes recipe management functions and an operator interface supporting up to 50 recipes. Automated rotary knife systems are used in the packaging, food processing and printing industries.

This pre-programmed solution provides a flexible operating environment along with the ability to incorporate customer-specific modifications. Benefits of this implementation include cost savings from reduced engineering time and eliminate the need for a programmable logic controller or a programmable motion controller. Machine logic and calculations are executed in the operator panel using a built-in Basic-like language.

In a typical Cut-to-Length application, a rotary knife cuts continuously fed material (web, extrusion or wire) to specified lengths. A series of product recipes is required and is based upon predetermined input variables such as feed length, speed synchronisation angle and over-speed coefficient. The feed and knife axes of motion are synchronously controlled. The knife blade tip is precisely controlled and travels at a specific tangential velocity at the point of contact with the material to be cut.

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