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APFC

APFC (Automatic Profile & Flatness Control) is a system which controls the strip profile and shape throughout its full length in a hot rolling finishing mill by means of high-precision setup functions and dynamic control functions (dynamic profile setup, dynamic shape control).

Example of APFC System Configuration

Example of APFC System Configuration

The superior characteristics of the APFC include the following.

  • The use of online physical models allows high-accuracy predictions of the strip profile and shape, for optimal setup.
  • The dynamic control functions are not simple feedback control; they are a control method which uses models to consider both the profile and shape, and which also coordinates all of the stands. It is able to deliver a high-quality profile and shape through the full length of the strip.
  • Model adjustment work is easy, allowing the models to be set up quickly.
Graph of Sample Crown Performance and Shape Performance Results
Sample Crown Performance ResultsSample Shape Performance Results

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