Numerical Rolling Tests of Actual Measured Tooth Surfaces for Oversized Face Gears

doi:10.3969/j.issn.1004-132X.2025.05.012

Abstract

Abstract: The reactor was the key equipment for the spent fuel reprocessing，and the oversized face gear drive was the core technology of the reactor.After obtaining the actual measured tooth surfaces of the face gear，the actual measured tooth surfaces were fitted into the non-uniform rational B-spline（NURBS） surfaces，numerical rolling tests were performed for the B-spline surface in mesh with the tooth surfaces of the mating cylindrical pinion，and modification design for the tooth surfaces of the cylindrical pinion was carried out according to the contact patterns and transmission errors of the numerical rolling tests， aiming to solve the reduced meshing performance problems which raised from not easy to control the machining precision of the oversized face gear tooth surfaces.A double crowning model of the cylindrical pinion was established，the spline surfaces fitted by the actual measured tooth surface coordinates of the face gear was constructed，and the model of numerical tooth surface meshing contact analysis was given.Numerical examples show that the meshing of the actual measured tooth surfaces of the face gear and the double crowned surfaces of the cylindrical pinion was capable of obtaining perfect and stable contact patterns and transmission errors.The results respectively obtained from the numerical rolling tests and experimental rolling tests are consistent，which proves that the double crowning of the pinion surfaces may compensate the machining errors of face gear tooth surfaces，and the numerical rolling test for face gear drives is feasible.

Key words: oversized face gear, numerical rolling test, contact pattern, transmission error, spent fuel reprocessing

摘要： 某反应器是乏燃料后处理的关键设备，超大规格面齿轮传动是该设备的核心技术。在获得面齿轮实测齿面后，将面齿轮的实测齿面拟合为非均匀有理B样条（NURBS）曲面，使该样条曲面与圆柱齿轮齿面啮合进行数值滚检，依据数值滚检的印痕和传动误差对圆柱齿轮齿面实施修形设计，以解决超大规格面齿轮加工精度不易控制从而降低啮合性能的问题。建立了圆柱齿轮的双向修形齿面模型，构造了由面齿轮实测齿面坐标拟合的样条曲面，给出了数值齿面啮合接触分析的模型。数值算例表明，面齿轮实测齿面与圆柱齿轮双向修形齿面的啮合能够获得较理想且稳定的接触印痕和传动误差，数值与实验滚检结果一致，证明圆柱齿轮双向修形可补偿面齿轮的加工误差且面齿轮传动的数值滚检是可行的。

关键词: 超大规格面齿轮, 数值滚检, 接触印痕, 传动误差, 乏燃料后处理

CLC Number:

TH132.41

LI Guangjun1, 2, MA Jing1, 2, DUAN Hong1, 2, HU Xiwen1, 2, XU Lei1, 2, MAO Shimin3, PENG Xianlong4. Numerical Rolling Tests of Actual Measured Tooth Surfaces for Oversized Face Gears[J]. China Mechanical Engineering, 2025, 36(05): 1008-1017.

李光俊1, 2, 马敬1, 2, 段宏1, 2, 胡锡文1, 2, 徐磊1, 2, 毛世民3, 彭先龙4. 超大规格面齿轮实测齿面数值滚检[J]. 中国机械工程, 2025, 36(05): 1008-1017.

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