CCC Closed Loop Color Control

The most user friendly and accurate Closed Loop Color Control

CCC is a Closed Loop Color Control System that monitors color on the printed web. It also adjusts press parameters to bring color to a desired intensity and maintain color throughout the job run.

 

Principle of Operation:

CCC utilizes state-of-the-art video imaging technology. Each print unit prints simple rectangular color patches corresponding to each ink key in the print units. Each time the color bar passes under the imaging assembly, a custom LED strobe illuminates the color bar area for microseconds and an image is grabbed with the camera. The CPU recognizes the color bar from the image and accurately calculates the color value of each patch. Based on these values, the CPU sends commands to remote processors for adjusting individual ink keys.

 

Features:

  • Rated speed up to 100,000 impressions / hour

  • Color bars can be as small as 2mm X 4 mm ( 0.08” X 0.16”) or any other standard size

  • Available for a maximum of 10 print units, 2 web (4 surface) configuration and up to 72” wide web width

  • Print can bleed to the color bars for maximum print area utilization

  • Unique Image Pattern Recognition very tolerant to misregistration

  • Excellent tolerance to Blanket Wash print disturbance

  • Auto tracking for immunity to web tension changes during splice cycle (+0.5”/12mm)

  • No Locator Marks required for color bars

  • System tracks Solid Ink Density, Dot Gain, Print Contrast and Grayness

  • Utilizes existing motorized ink keys, minimizing installation cost and down time

  • Small format camera stand for easy incorporation into existing press configuration

  • CIP3 file analysis for preview and presetting

  • User programmable Paper Library

  • Programmable regions of interest for inspecting any random location on the print surface

  • Integrated spot densitometer for operator verification

  • Statistical results display current measurements compared with pre-programmed standards

  • Statistical Quality Reporting

  • Out of range Statistical Quality Alarm

  • Real time color bar image display during scan cycle

  • Includes ink sweep and water control

  • Virtually unlimited number of jobs can be stored for instant reprint job setup

  • The easiest to learn user interface

  • Online context-sensitive help

  • Flat Panel energy efficient Touch Screen operation

  • Optional multiple Operator Panels available for remote operations

  • Practically maintenance free imaging assembly

  • 100,000 hour average strobe life

  • Majority of system components are commercially available from various sources

 

 

 

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Last modified: July 21, 2004