Pellet Inspection PS25C
(Colour Camera)

The PS25C inspection system is used to analyse transparent and opaque pellets. The pellets are inspected with a high-resolution 3-chip CCD colour camera for impurities, foreign bodies, or colour deviations as well. The testing material is fed into the appliance through a hopper. Feeding can be automated by means of an extension module, e.g. a multi-hopper system or an online hopper. Moreover, an accurate colour measurement in a special measurement chamber can be carried out by means of colour spectrometry CM2 (option). The pellets are conveyed separately over the inspection zone via a vibrating channel. After the optical evaluation the contaminated pellets can be separated into a different container (sorting unit option).

Measuring errors are eliminated by use of numerous additional optical components. There is no colour dependency as with many other optoelectronic appliances.

A high level of efficiency is achieved by powerful image processing software. The synchronisation of the transport system with the image processing offers a major contribution to the reproducibility of the measurement results.

Optimum adaptation in laboratory operations or in measuring stations is a paramount factor in the quality control. Installation in the bypass guarantees production monitoring and rapid reaction to any occurrences. The system provides a variety of individual configurations, which guarantee an improved adaptation to specific requirements.

The measuring is stored in a test report to enable future analysis. The recorded images and measured data can be observed on a screen during the measuring process. The results can be shown and printed in tables or graphs.

Along with a pure inspection of pellets the system can also be used to record, file and document. Each defined deviation is recorded in the measurement protocol via a multidimensional characteristics vector with an error map.

The system can be adapted exactly to the respective requirements with the help of the extensive software packages.

Performance Characteristics

• Modular architecture
  Easy to extend, simple, adaptation and upgrade.
• Controls
  Menu-controlled Windows interface and easy customisation.
• Optimum lighting technology
  Use of special lighting technology, therefore independent of the material.
  UV - Lighting (option), for inspection of fluorescent pellets.
• Real-time colour image analysis
  Fast evaluation and representation of the measurement results in various forms.
  Table with size classifications, time evolution, mosaic view, histogram, distribution.
• Inspection synchronisation
  Transport unit, inspection unit and sorting unit (optional) are co-ordinated exactly to one another.
• Sorting device
  Sorting and separate collection of contaminated pellets
• Tables
  Tabular display according to size, shape and colour.
• Mosaic display
  Continuous display of the detected deviations as real images.
• Features graphics
  Graph of the distribution over sizes, shapes and colours.
• Time characteristic
  Graph of the distribution of the characteristics according to time evolution.
• Process synchronisation
  Coupling the inspection system with external appliances, e.g. 1100 BUS interface.
• Interfaces for external appliances
  Alarm interface, digital scales, multi-hopper system, spectrometry, PSSD (PA66).
• Open database
  The record data can be converted into all standard file formats.

Applications

• Opaque pellets
• Coloured pellets
• Non-transparent pellets
• Transparent pellets

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