Micro-Epsilon thermal imager identifies defects in injection-moulded parts

  • June 13, 2012
  • Micro-Epsilon GmbH & Co. KG
  • Case Study

June 13, 2012 - Micro-Epsilon’s thermoIMAGER TIM thermal imaging camera is installed in the Kunststoff-Zentrum SKZ KTT injection moulding machine in order to detect defective parts. The camera uses the thermal radiation from the workpiece to detect not only visual faults, but also hidden defects within the material itself. In addition to Micro-Epsilon’s operating software, SKZ also developed control software designed specifically for plastics processing, which visualises the workpiece and compares this to an infrared reference image. SKZ has integrated the thermal camera into the injection-moulding machine to enable users to control and automatically remove any defective parts. The system also ensures rapid, secure machine changeovers, as any newly produced parts are evaluated immediately after changing the mould tools. This continuous quality control is particularly useful to automotive suppliers, where the value of injection-moulded parts increases by several hundred percent as the parts are processed. Powered and operated via a USB 2.0 interface, the thermoIMAGER TIM 160 is an inline radiometric thermal imaging camera that provides temperature images and profiles of a target area. This plug-and-play unit comes with a full software package (included in the unit price), that enables the user to configure all the parameters of the device, as well as enabling the real time capture and storage of images or video of an event for slow motion play back or snapshots at a later date – an important feature in many R&D and failure diagnostics work. Micro-Epsilon is a major global manufacturer of sensors, headquartered in Germany. The company’s range of displacement sensors measure everything from to distance, position, vibration, dimensions and thickness, using both contact and non-contact measurement techniques. These techniques include 1D, 2D and even 3D laser-optical sensors and systems, eddy-current, capacitive, LVDT & inductive, potentiometric and draw-wire principles. Additionally Micro Epsilon has developed its own range of non-contact infrared temperature sensors that can measure virtually any target temperature from -40 to +3,300°C. The company also manufactures a comprehensive range of colour recognition sensors.  

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