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首页> 外文会议>International Measurement Confederation XVI IMEKO World Congress (IMEKO 2000) Vol.8, Sep 25-28, 2000, Vienna, Austria >HELICAL GEAR MEASUREMENT USING STRUCTURED LIGHT
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HELICAL GEAR MEASUREMENT USING STRUCTURED LIGHT

机译：使用结构光测量螺旋齿轮

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摘要

Today, profiles of involute gears are measured with conventional or specialized coordinate measuring devices. The measuring speed of such instruments decrease with an increasing density of measuring points. Therefore, coordinate measuring devices often scan only a few lines of the gear surface. But these profiles represent only partially the functional behavior of the gear. This contribution describes a method, which measures the complete surface of a tooth in only a few seconds. A structured light pattern is directed towards the tooth. A CCD-camera records the stripes, deformed by the interaction between the surface and the light pattern. An algorithm transforms the registered graylevel patterns together with the system design data and the calibration information into the 3D-coordinates of the gear surface. At a measuring area of a few cm~2, the resolution amounts to about 1μm. A 3D system calibration discussed in this paper aims at an improvement of the measuring uncertainty. Finally, first results of helical gear measurements are presented.
机译：如今，渐开线齿轮的轮廓是通过常规或专用坐标测量设备进行测量的。这种仪器的测量速度随着测量点密度的增加而降低。因此，坐标测量设备通常只扫描齿轮表面的几行。但是这些轮廓仅部分代表了齿轮的功能行为。该文稿描述了一种仅需几秒钟即可测量牙齿完整表面的方法。结构化的光图案指向牙齿。 CCD相机记录条纹，这些条纹由于表面和光图案之间的相互作用而变形。一种算法将注册的灰度图案与系统设计数据和校准信息一起转换为齿轮表面的3D坐标。在几厘米2的测量面积上，分辨率约为1μm。本文讨论的3D系统校准旨在改善测量不确定度。最后，介绍了斜齿轮测量的初步结果。

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