ifm electronic - Object recognition

  • Compact 2D sensor for the recognition of contour and orientation.
  • Easy, time-saving parameter setting.
  • Object recognition irrespective of the orientation and position.
  • High performance: Simultaneous verification of up to 32 contours.
  • Integrated lighting.
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Introduction
In assembly and handling technology, object recognition systems are an integral part in assembly monitoring. The 100% testing of contour or position before, during or after the individual assembly steps prevents complex and cost-intensive retouch or reject of material or workpieces. With a size of only 42 x 42 x 44 mm the efector dualis contour sensor takes us to a new dimension and can solve applications where mounting space is at a premium. Furthermore, the industrially compatible mounting and wiring technology enables easy and quick process connection.

The contour band
The silhouette of the workpiece generates a contour in the image field around which a "contour band" can be placed. Due to manufacturing tolerances, marks or burrs on the workpiece the contour of the workpiece does not always match exactly but nevertheless corresponds to the defined reference contour. The contour band defines the allowed tolerances: it can be set to be narrower or wider. But the checked contour must be within this contour band if the test result is to be "good".

Applications
For contour recognition the correct contour of a workpiece can be checked, e.g. presence of a bore hole or cut-out in the workpiece. To do so, different search zones are defined in the image field and the reference value is stored. Tolerances can be defined for every search zone. Before a production step it is often important to check the correct position of a supplied workpiece. The efector dualis contour sensor compares the position of the workpiece with the stored reference value and only releases the next production step in case of a correct orientation. For assembly monitoring the efector dualis contour sensor monitors whether the part was assembled or not, whether the correct part was assembled and whether it was correctly assembled.

Further information:

efector dualis pages
ifm electronic
ifm electronic gmbh is one of the leading manufacturers of automation technology world-wide. More than 3,000 employees in more than 70 countries develop solutions for 80,000 customers in the manufacturing industries. By optimising technical processes in the automotive, chemical and cosmetics industries or in environmental technology and automation of buildings ifm electronic has consistently set new standards and thus ensures tomorrow's production processes.

The family-run company with headquarters in Essen started with the invention of inductive proximity sensors in 1969. The German production in Tettnang on Lake Constance has ensured brand quality right from the start. Today "efector" stands for position and fluid sensors, object recognition, diagnostic and identification systems. The brand "ecomat" is synonymous with networking and control systems. In 2007 ifm made a turnover of more than € 410 million with above-average product quality, exceptional innovations and consistent close contact to the customer.