WTM has created a specific device to be installed on cable extruding lines for detecting colour defects.
This system analyses the color of the extruded cable surface and informs the user in case of inconsistencies.
The system computes the color distance between the current detected color, extracted from the cable images acquired in line, and a target color, that can either be acquired once, or updated at a given frequency, to autonomously adapt to different measuring conditions.
The colour comparison can be made:
This system analyses the color of the extruded cable surface and informs the user in case of inconsistencies.
The system computes the color distance between the current detected color, extracted from the cable images acquired in line, and a target color, that can either be acquired once, or updated at a given frequency, to autonomously adapt to different measuring conditions.
The colour comparison can be made:
- between two regsions of the same cable;
- with the ideal colour taken from a RAL palette.
Four different colour distance standards are supported.
If the colour difference is within the user-specified boundaries, the test is considered positive. The results of the measurement and analysis are made available in the graphical interface.
A colour correction system can correct errors in the color measurements caused by illumination artifacts. Above, the effect of a cold white light is corrected using such system.
This Visio System is composed by:
If the colour difference is within the user-specified boundaries, the test is considered positive. The results of the measurement and analysis are made available in the graphical interface.
A colour correction system can correct errors in the color measurements caused by illumination artifacts. Above, the effect of a cold white light is corrected using such system.
This Visio System is composed by:
- 1 high-speed camera that scan the entire section of the cable;
- wide aperture lens to allow fast image acquisition;
- 1 led illuminator to guarantee a stable environment for the color measurement;
- powerful graphical work station to process the management program.
The technical characteristics can be customized according to the specific production requirements of the Customer.
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