Compare the produced color with the target by measurement and manage the ΔE tolerance on record, in the laboratory and on the production line.
A color quality control system measures the produced color against the target and shows on record whether it is within the ΔE tolerance. It runs with a spectrophotometer and software in the laboratory and with online systems on the production line.
The aim is to catch batch differences early, prevent faulty production and reduce re-dyeing and waste.
Argetek offers ColorMission software, Konica Minolta spectrophotometers and Agteks' online systems ShadeBar and QualityBar-Cam together.
Quality control and tolerance management with ColorMission; recipe correction when the result is out of tolerance.
ShadeBar: monitors edge and center color differences of the fabric as ΔE and L*a*b* values in real time and tracks length.
QualityBar-Cam: detects and classifies point, horizontal and vertical fabric defects with cameras; 6 m working width, 50 m/min line speed.
The target color and ΔE tolerance are set according to the customer specification.
The sample or the product on the line is measured with a spectrophotometer or an online system.
The result is compared with the tolerance; conforming product is approved.
For out-of-tolerance results the recipe is corrected or the line is adjusted.
In textile and dyehouses, batch color consistency and fabric defects are monitored; in automotive, multi-angle measurement of metallic and pearl coatings and ΔE tolerances; in architectural paint, color consistency between batches and correct tinting.
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