Pore Detection

FOCON

The optoelectronic inspection system detects pores and micro-cracks in aluminium foils up to one metre wide. It is installed across the running direction of the foil lane, usually between the forming and filling stations.

If pores are detected, the system gives a signal so that filling is suppressed and ejection takes place.

The Pore Detection Unit enables the producer and packer to increase productivity, is easy to install, robust, fail-safe and keeps pace with high belt speeds.

Application areas of the Pore Detection Unit

  • Detection of micro-cracks in aluminium bottom foil (flat or formed)

  • Detection of micro-cracks in aluminium sealing foil

For use without a guideway, an adapted mechanism can be supplied to minimise disturbing light irradiation from the outside. This also allows the use on bag machines.

Advantages of foil inspection

  • Installation on new as well as retrofitting on existing blister machines is possible without any problems
  • Filling suppression reduces production waste and thus saves costs
  • Speeds of 1.5 m/s are possible
  • Available in widths from 200 to 1,000 mm
    Multilingual display
  • Optional shift register
  • Clear control panel with four function keys for programming and setting
  • The system is equipped with state-of-the-art self-diagnosis functions
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Functions of the FOCON Pore Detection Unit

Depending on the conditions on the packaging machine, one or two zones can be set for detection. The detection area is divided into two zones along the centre line of the foil lane. This enables a more differentiated separation of defective and perfect blisters.

At the same time, production waste caused by tears and pores is minimised. With FOCON, a considerable reduction in waste can be achieved.

With an integrated shift register, FOCON works independently of the packaging machine. This performs defect tracking and is easily programmed by the operator.

 

Related inspection tasks

Shaped aluminium blisters can be inspected for correct shape using the three-dimensional inspection. The use of the laser-based system with a high-resolution line-scan camera and triangulation algorithm allows false colour or elevation imaging of the blister cups. This means that misshaped blisters can be detected before or after filling – productivity can be improved even further.

Technical data - Hardware

Dimensions of the available pore detection systems:

 ABCDE
FOCON 200100-20024076,276,230
FOCON 250200-25029076,276,230
FOCON 300250-30034076,276,230
FOCON 350300-35039076,276,230
FOCON 400350-40044076,276,230

Sizes up to 1000 mm possible / Dimensions in mm

Other types/ components of packaging inspection