Measuring Sensors Calibration in Worm Gear Rolling Testers
Measuring Sensors Calibration in Worm Gear Rolling Testers
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DOI：
10.3390/s20113148
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发表时间：
2020-06
期刊：
影响因子：
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通讯作者：
M. Pueo;R. Acero;Á. Gracia;J. Santolaria
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文献类型：
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作者：
M. Pueo;R. Acero;Á. Gracia;J. Santolaria
规范齿轮滚动测量的ISO标准没有详细规定这类设备的校准和检定程序。这可能是这些滚动测试缺乏重复性的原因之一。不确定度预算法是了解动态测量精度的最合适的方法，它表明测量传感器的精度只占整个测量过程不确定度的一部分。本文提出了一种基于机床、三坐标测量机和齿轮测量仪器的蜗轮滚动试验机的标定和检定新方法。在对测量仪器进行数值补偿后，评估了每个运动的误差分量对啮合点的影响，这是确保良好的齿轮传动的根本因素。研究表明，存在测量传感器没有检测到的非故意位置变化，必须在校准中识别和量化这些变化，以便以后将其纳入不确定度预算。这样可以减少测量不确定度，从而提高这些测试仪的重现性，作为开发优化轧钢测量设备的初步阶段，以解决目前的局限性。
The ISO standard regulating gear-rolling measurement does not specify in detail the calibration and verification procedures for this type of equipment. This may be one of the reasons for the lack of reproducibility in these rolling tests. The uncertainty budget method, which is the most appropriate way to know the accuracy of this dynamic measurement, shows that the measuring sensors’ accuracy is only a part of the total measurement process uncertainty. In this work, a new calibration and verification procedure for a worm gear rolling tester is presented, based on machine tool, coordinate measuring machine and gear measuring instruments’ calibration techniques. After compensating numerically for the measuring instruments, it has been evaluated how the error components of each movement affect the meshing point, a fundamental factor to ensure a good gear transmission. The study shows that there are unintentional position variations, not detected by the measuring sensors, that have to be identified and quantified in the calibration for their later inclusion in the uncertainty budget. In this way, the measurement uncertainty could be reduced, and thus improve the reproducibility of these testers, as a preliminary stage to the development of optimized rolling measurement equipment to solve current limitations.