Device for adjustment of the ink flow on printing press inking units

作者: Edgar F. Schoneberger , Alfred Dorn

DOI:

关键词: Input offset voltagePotentiometerVoltage referenceComparatorMetering modeVoltageActuatorElectrical engineeringSliderEngineering

摘要: An ink metering system for a printing press to individual column positions on plate in which the fountain blade is formed sections having power actuators establish film-forming gaps at corresponding positions. Linear follow-up potentiometers are provided their slides respectively coupled so that when connected source of reference voltage, and initially adjusted, slider voltage provides direct indication width gap. To change setting over entire blade, variable supply with control shifting from level calibrated offset one side or other reference, bring about percentage each adjustable sections. create differential purposes, actuator has storage, "memory", device together "comparator" produce an output dependent upon algebraic sum "new" "old" voltages. Such energizes move section potentiometer new position all changed same direction as fixed initial settings.