基于计算机视觉的面齿轮齿面重构技术

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随着面齿轮在航空传动系统上的应用,面齿轮传动的优点逐渐被人们认识,对面齿轮的研究也不断深入。计算机视觉检测技术具有检测精度高、实现速度快、非接触检测的特点,论文研究了计算机视觉测量技术在面齿轮齿面重构中的应用,建立了摄像机成像的数学模型,由摄像机获取齿轮齿面的二维图像,通过计算机对数字图像进行图像处理,计算出关键齿面点的三维坐标,实现面齿轮齿面的重构,为基于面齿轮实体的数字化加工奠定了基础。 As face-gear is used on aeronautical drives system,the advantages of the face-gear drives has been known by people and the research of the face-gear is deep going.Machine vision has the characteristics of high precision,fast speed,no-contact,the thesis has research the application of the machine vision measurement technique on the tooth surface reconstruction,the mathematic model of camera imaging is analyzed,2D digital image of tooth surface is acquired by two cameras,computer is used to process image and reconstruct 3D coordinates of the key point on the surface of the face-gear and finally realize the reconstruction,this paper provides support for further machining of the face-gear.