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This paper presents a method allowing for the quality inspection of a screw thread directly on a production line. The parameter evaluation was performed on a surface partial image obtained using 3D laser triangulation. Three characteristic values are being measured for each element: minor pitch, major pitch, and pitch diameter. The paper contains an overview and discussion of methods commonly used...
This paper presents a review of methods used for the acquisition of 3D images. A classification of such methods into contact and contactless and into active and passive methods is given. Special attention is given to show imaging methods that can be used for tasks involving product-manufacturing systems.
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