PI Sec Spot Check

Sample checks of security prints

From time to time a final and very close inspection is worthwhile – with the precision and the objectivity of our machine vision technology. 

Inspection Objects:

Printed sheets or single documents:

• Banknotes
• Stamps, tokens, etc.
• Passports
• Bonds
• Etc.

Inspection Criteria:

• Substrate defects
• Intaglio print defects
• Offset print defects
• Sheet to print registration
• Print to print registration
• Dimensional accuracy
• Integrity of security features

Design

• Offline, semi-automatic
• Manual feed and start of the process
• Driven transport table, transparent
• Standard: one inspection station
• Standard: three color line scan cameras
• LED line lighting, incident light
• LED line lighting transmitted light
• Rugged body with control cabinet, electronics, and computers
• UPS uninterruptible power supply, air-condition
• Keyboard drawer, keyboard, mouse
• Monitor(s), display of each camera coverage

Properties:

• Suitable for a variety of substrates
• Forward and backward movement are used for the inspection
• Homogeneous illumination over the whole sheet width
• High accuracy inspection of the print
• High accuracy inspection of security features
• Fully automatic adjustment of illumination and cameras
• Automatic positioning of shift/offset marks
• Freely definable inspection areas with individual tolerances
• Detailed and clearly arranged monitoring
• Easy to use, teach-in
• Data collection, records
• All mechanical parts easily accessible
• Remote service capabilities

Versions:

• Standard: 1 inspection station with incident and transmitted lighting
• Customized equipment possible

Performance:

• Sheet width: max. 1'100 mm
• Resolution: approx. 0.15 mm/pixel