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SICK Glare Puts the Gloss On High-Performance Detection

30 October 2015

SICK has developed the Glare sensor to achieve almost 100% effective glossy material detection and discrimination for a wide range of food production and packaging processes. 

Developed initially with European pharmaceutical and medical device packaging manufacturers to meet tougher anti-tampering and counterfeit regulations, the Glare sensor delivers reliable and robust detection for any packaging application, and using high-gloss or transparent materials, or tamper-evident seals. 

With SICK Glare food and beverage packers can reliably detect tapes, seals and foils for tamper-proof packaging and high-gloss label quality inspection as well as for detecting dryness of products like chocolate and gel coatings. 

 “The innovative detection concept of Glare turns a weakness of most sensors into a strong function for packaging production lines,” explains David Hannaby Product Manager at Sick for Presence Detection.  “Instead of sensors being dazzled by glare, it uses glare to do the sensing to achieve a highly-reliable process for detecting and assessing the gloss properties of shiny materials.

“When detecting transparent tamper-proof seals, for example, Glare distinguishes reliably between the reflection from the label and the scattered, diffuse reflections from the rougher surface of the packaging material.

 “It can easily be configured to discriminate between different degrees of gloss to obtain precisely the required results.”

Following in-process trials, the new SICK GLARE is already being used by Bosch Packaging Technology in its CPS serialisation solutions achieving 100% reliability in detecting machine-applied transparent tamper-evident safety labels.

The SICK Glare is a compact (42.5 X 44 X 43.4mm wxhxl), all-in-one IP67 unit. It delivers robust presence detection and exceptional gloss optical property and discrimination performance even with high ambient light levels, deep colour, transparent tape, text and shiny or holographic finishes.

Primarily designed to detect and discriminate between gloss levels on flat surfaces, the SICK Glare is able to cope with ±5 degrees misalignment and variation, adding to its effectiveness – a function which other gloss sensors cannot match; the detection rate is highly resistant to vibration, too. 

The SICK Glare comprises a central strip of eight LED emitters surrounded by two receiver lines, which enable its unique misalignment and tilting tolerance and vibration resistant performance, backed by the patented Delta-S sensor technology. 

Installation and configuration are easy with the integral three button pad, allowing simple teach-in on the spot with typical objects, and several operating modes; a security key prevents operative override to eliminate ‘false nuisance’ readings. Alarm levels can be set to indicate contamination, declining standards and other parameters.

Light levels and sensing modes are adjustable to suit the application. The integrated I/O link facilitates integration with PLC and servo motor control and allows remote diagnostics and programming/reprogramming.  As required in a pharma environment, the configuration data is stored centrally in the machine controller.  SICK Glare settings and programming are remotely held on PLC, enabling rapid switch-in if the sensor needs replacing.

For more information on the SICK Glare, please contact Andrea Hornby on 01727 831121 or email andrea.hornby@sick.co.uk.


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