Wenglor weCat3D MLZL profile sensor for welding robots

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Automated weld seam tracking in robot welding cells is a complex task in a harsh industrial environment. The micrometre-accurate detection of the guide point with different types of joint by 2D/3D profile sensors is one of the most effective solutions for this challenge. In combination with Wenglor’s uniVision software, the weCat3D MLZL 2D/3D tracker sensor is designed to combine the necessary precision and profile quality with convenient installation, integration, robustness and user-friendliness.

The Wenglor MLZL is a 2D/3D profile sensor made for welding robots, with integrated cooling and rinsing, and that enables easy and space-saving installation directly on the welding torch. Due to the small housing dimensions of 33 × 183 × 69.8 mm, the robot can therefore also operate in narrow corners.

The MLZL 2D/3D profile sensor does not require any additional protective housing, nor does it need to be tilted for alignment: the design offers sufficient protection against welding spatter and ambient light.

The MLZL relies on the same laser technology of the weCat3D series and has been specially adapted and optimised for the demands of welding robots, and in particular for the complex task of optical tracking of weld seams.

Despite the harsh industrial environment, the welding sensor provides high-quality profiles for precise joint detection. Optionally equipped with a red or blue laser, users can choose between three laser classes: 2M, 3R or 3B.