Print Inspection

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High-speed Print Quality inspection System for Inline, Offline & Web Applications

Quality is paramount in the printing industry, especially if the product is used for packaging or labeling of pharmaceutical or other critical end products. Over the decades, the advancement in printing technology has enabled astronomically high throughputs and one of the challenges for quality assurance is to match those speeds.

Our print inspection solution can detect a wide variety of defects including registration errors, color variance, color plane registration, variable data defects, die-cut variations and special coatings like embossing. We use high resolution cameras with high bit depth and high dynamic range at high speeds. Based on the inspection to be performed the camera and illumination setup is designed. The key metrics for the system’s performance are:

  • Detection of defect sizes ~ 250 µ
  • Inspection speeds up to 300 – 350 meters/min.
  • Horizontal width of 500 mm
Key Features

High Resolution Camera

  • Trilinear Prism cameras
  • Ultra High resolution – 15360 pixels
  • Max. Line Rate – 100 KHz
  • GigE, CameraLink, CoaXpress Interfaces

Trigger & Synchronization

  • Multi-camera Synchronization
  • Encoder for varying speeds
  • Coordinated control using Custom FPGA board

Standard and Custom Illumination

  • High intensity LED lights
  • Line & Dome Lights
  • Multi – spectral (UV, White & SWIR) illumination

Image Processing

  • Falcon Compute Platform
  • GPU Accelerated Image Processing
  • OpenCV or Halcon Libraries
  • Deep Learning Implementation
  • Embedded Linux System

Label Inspection Solution

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