US Patent:
20120330451, Dec 27, 2012
Inventors:
Martin C. Dillner - Valencia PA, US
Brian Frisk - Ellwood City PA, US
International Classification:
G05D 17/02
Abstract:
Various embodiments are directed to methods of controlling torque delivered to a device for working material, the methods may comprise receiving, by a computer, a first value indicating an actual torque delivered by a common motor of the device to at least a portion of a plurality of work rolls of the device. The plurality of work rolls may be driven by the common motor, and may be arranged along a line direction aligned with an entry end. The methods may also comprise setting, by the computer, a torque limit for the common motor equal to the first value plus a torque limit increment for an additional work roll selected from the plurality of work rolls.