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中文摘要：
为评估已加工的摆线齿准双曲面齿轮的啮合质量,基于实测齿面坐标点数据,用非均匀有理B样条（NURBS）曲面拟合离散点得到高度逼近真实齿面的数字化齿面,并依据空间啮合理论进行了数字化齿面的轮齿接触分析（TCA）.与传统的滚检试验相比,该方法在获得实际齿面接触印痕的同时还可以获得传动误差曲线,比较全面地反映了实际齿面的啮合信息.最后通过比较某高速车桥齿轮副数字化齿面TCA与滚检试验结果,验证了文中方法的可行性.
英文摘要：
In order to evaluate the meshing quality of real hypoid gear with cycloid tooth,firstly,the digital gear surfaces that exactly approximate real tooth surfaces are obtained by fitting the measured discrete points with nonuniform rational B-spline（ NURBS） curve. Then,on the basis of space meshing theory,a tooth contact analysis（ TCA） of digital gear surfaces is carried out,which provides contact patterns the same as the traditional rolling test and transmission error curves that can not be obtained from the traditional test. As a result,actual meshing information can be relatively fully reflected. Finally,the feasibility of the proposed method is verified through a comparison between digital gear surface TCA and rolling test of a high-speed axle gear pair.
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