PI-Sheets/PI-Web

Print inspection for sheets and web material

You can minimize the risk of further processing products with unsatisfactory quality – reject them in time.

Inspection Objects:

Decorated sheet and web material

• Paper
• Plastic
• Metal
• Composites

Inspection Criteria:

• Color variations, wrong color, lack of color
• Out of register, offset, twisted print
• Inhomogeneous varnish, blisters
• Color splatter/stains, smear
• Voids, missing print elements
• Optional: dimensional deviations
• Optional: code reading

Design:

• Inline
• Modular in design; subsequently extendable
• High resolution color line scan camera(s) for print inspection (type and quantity according to the application)
• Measurement option: matrix cameras (PI-Sheets only)
• LED line lighting, adjustable
• Measurement option: LED lighting (PI-Sheets only)
• UPS uninterruptible power supply
• Control cabinet, air-conditioned
• Operating terminal with monitor display of each camera coverage
• Optional: network connection, remote servicing

Properties:

• Different tolerances and accuracies within one print image allocable
• Automatic edge detection
• High accuracy inspection of the decoration
• Inspection on color basis
• Fully automatic adjustment of lighting and camera
• Automatic positioning of shift/offset marks
• Detailed and clearly arranged monitoring
• Easy to use, teach-in
• Protocol, statistics
• Option: Measurement of sheet size and print position on the sheet (PI-Sheets only)
• Option: Reading of bar codes or data matrix codes

Versions:

• Print inspection only (variable quantity of cameras and downstream hardware)
• Print Inspection + measurement (variable quantity of cameras and downstream hardware)
• Double sided inspection

Performance:

Depending on system configuration.