WireSense wire electrode from Fronius doubles as sensor
Image provided by Fronius USA LLC
Fronius has introduced the WireSense assistance system for robotic welding. The wire electrode is a sensor that checks the component position before each weld. Detecting actual sheet edge heights and positions, it helps compensate for manufacturing inaccuracies and improve welding results, the company reports.
The technology does not require any additional sensor hardware components. The welding torch scans the component with a reversing wire movement, and the welding system sends the height information and the edge position to the robot. If a lap joint is being welded, the edge position can be defined, and the system can react to deviations. The robot adjusts the weld seam process based on an application-specific program.
By evaluating the height information, the robot can determine both the course of the edge and the actual edge height. It also can determine the air gap between the sheets. Edges are detected from a height of 0.5 mm.
The electrode can be used with steel, stainless steel, aluminum, and other alloys.
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