Mill stand area for PLTCM for cold rolling

Cold Rolling

ChatterBlock Expert: Eliminating Chatter in Cold Rolling Mills

Eliminate 3rd Octave Chatter in Cold Rolling Mills with an Easy Retrofit Package

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Advanced Solution for Eliminating Chatter in Cold Rolling Mills

The ChatterBlock Expert is a mechatronic solution designed to eliminate 3rd octave chatter vibrations in cold rolling mills, both for aluminum and steel mills. This innovative technology addresses the critical challenge of chatter-induced speed limits, thereby enhancing production efficiency and allowing mills to operate at their maximum potential.

The ChatterBlock Expert is engineered as an easy-to-install retrofit package, seamlessly integrating with existing hydraulic gap adjustment systems in cold rolling mills. Utilizing a high-dynamic hydraulic actuator, sophisticated algorithms, and flexible data connections, it ensures seamless integration with existing controllers and automation systems. Operating in the background, the ChatterBlock Expert invisibly pushes speed limits to the maximum without negatively impacting normal rolling operations. Its effectiveness has been proven in various mills, optimizing the system for practical industrial operations while adhering to the highest safety standards.

Due to the nature of third octave chatter, the system only needs to be installed on stands prone to instability, such as the fourth or fifth stand of a tandem mill or the second stand of a double reversing mill. The ChatterBlock Expert features a special high-dynamic hydraulic actuator for superior performance, ensuring no impact on existing controllers for seamless integration. Its flexible data connection to existing automation systems allows for easy monitoring, making it a valuable addition to any cold rolling mill seeking to eliminate chatter and maximize productivity. The ChatterBlock Expert is applicable to both steel and aluminum mills, offering a robust solution to enhance operational efficiency and product quality.

Benefits of the ChatterBlock Expert

  • Eliminate 3rd octave chatter for improved mill performance
  • Enable full utilization of mill speed without any reduction
  • Facilitate easy and quick installation with minimal adaptations
  • Enhance mill performance and product quality
  • Reduce downtime and maintenance requirements
  • Improve overall production efficiency
ChatterBlock: Active vibration dampening system

ChatterBlock Expert system

ChatterBlock main unit interior

Example of strip damage due to third-octave chatter

Example of strip damage due to third-octave chatter

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