3D Camera Supports Bin Picking
In order to be able to pick unsorted parts out of a wire-mesh pallet or stacking container, it is necessary for the robot to be able to accurately detect the shape, size, position and alignment of the objects. All of this information is essential to the ad-hoc generation of collision-free robot paths. The ability to accurately detect the precise position of the unsorted parts is essential for reliable bin picking by robots.
The stereo 3D camera Ensenso N20 from IDS represents a solution for 3D image capture that is impressively precise, cost-efficient and fast. It successfully covers all bases in terms of the requirements that apply to robot vision applications. The industrial camera with GigE connection is the first of its kind on the market, integrating, as it does, not only two global shutter CMOS sensors with 1.3 MP resolution (1280 x 1024 pixels) and powerful software in a very compact housing, but also an integrated pattern projector.
Finally, the Ensenso software assumes control of the two CMOS sensors and pattern projector, and takes care of the capture and pre-processing of the 3D data. As a result, both frame rate and image quality are optimized, and so significantly fewer resources are required on the PC used for analysis. The camera is designed for working distances of 180 mm to 3,000 mm and for variable picture fields depending on camera model. The available focal lengths of 6 to 16 mm can cover a wide range of distances and sizes. Unlike other 3D imaging processes, this camera can capture both stationary and moving objects with a frame rate of up to 30 fps. Despite having two sensors and an integrated projector, the camera only measures approx. 175 x 50 x 50 mm, and weighs just 550 g. Thanks to its robust aluminium housing and GPIO connector for 12-24 V hardware triggers, input and output, Ensenso N20 is perfectly equipped for industrial applications.
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