Accuracy improvement method for double flank worm gear pair rolling tester
Accuracy improvement method for double flank worm gear pair rolling tester
复制标题
双齿面蜗轮副滚动试验机精度改进方法
DOI：
10.1016/j.measurement.2021.110688
复制
发表时间：
2022-01
期刊：
影响因子：
5.6
通讯作者：
Shi Zhaoyao
中科院分区：
文献类型：
--
作者：
Tang Jie;Jiang Meng;Shi Zhaoyao
为提高双面蜗杆副滚动试验机的测量精度，采用激光干涉仪对光栅系统进行标定，建立了多项式函数补偿模型，在灵敏度试验和误差源分析的基础上进行了不确定度评定，并对影响测量不确定度的因素进行了调整。补偿后，蜗轮移动滑块、蜗杆滑块和蜗轮测量滑块的定位误差分别从1.80 μm减小到0.20 μm、从20.00 μm减小到0.50 μm、从0.70 μm减小到0.05 μm。测量结果的总径向综合偏差Fid、齿间径向综合偏差fid、n d r un o ut Fr的相关灵敏度系数在0.01 ~ 0.04之间。根据GUM标准，在不确定度评定中考虑了基本单元的标准不确定度、数据采集及软件系统的标准不确定度和测量条件的标准不确定度。对主要误差源进行优化后，测量结果的扩展不确定度Fid、fid、Fr分别由5.4 μm、4.6 μm和2.5 μm降低到2.6 μm、2.1 μm和1.5 μm。实验结果表明，该方法能有效降低双齿面蜗轮副滚动检测仪的测量不确定度，对提高精密仪器的精度具有一定的参考价值。
To improve the measurement accuracy of the double flank worm gear pair rolling tester, the grating system is calibrated by laser interferometer and then compensation model using polynomial function is established, uncertainty budget is carried out based on the sensitivity test and error sources analysis, and some factors are adjusted to lower the measurement uncertainty. After compensation, the positioning error of worm gear moving slider, worm slider and worm gear measuring slider is reduced from 1.80 μm to 0.20 μm, 20.00 μm to 0.50 μm, and from 0.70 μm to 0.05 μm respectively. Related sensitivity coefficients for measurement results total radial composite deviation F id, tooth-to-tooth radial composite deviation f id, a n d r u n o u t F r are within 0.01 to 0.04. According to GUM, three parts are considered in uncertainty evaluation including standard uncertainty of base unit, standard uncertainty of data acquisition & software system and standard uncertainty of measurement condition. After the optimization of the main error sources, the expanded uncertainty for measurement results F id, f id, F r is reduced from 5.4 μm, 4.6 μm and 2.5 μm to 2.6 μm, 2.1 μm and 1.5 μm respectively. The experimental results show that, the accuracy improvement method for double flank worm gear pair rolling tester can reduce measurement uncertainty, and the whole work can be a certain reference for the accuracy improvement of precision instruments.
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DOI：
10.1080/03610910701539898
发表时间：
2007-08
期刊：
Communications in Statistics - Simulation and Computation
影响因子：
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作者：
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发表时间：
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期刊：
Sensors (Basel, Switzerland)
影响因子：
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影响因子：
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