内外螺旋滚道型面检测方法与装置研究

发布时间：2018-05-24 12:40

本文选题：滚珠丝杠 + 滚道型面　；参考：《南京理工大学》2017年硕士论文

【摘要】：本课题以国家科技重大专项"功能部件测试试验共性技术研究与能力建设(2016ZX04004007)"为背景,针对内外螺旋滚道型面检测方法与装置进行研究。课题完成了丝杠滚道型面检测系统的搭建,包括测控系统的搭建,测控软件的开发,精度分析及光幕式位移传感器安装误差的补偿方法,试验方法的制定及试验数据的分析。在此基础上,提出了基于丝杠滚道型面检测系统的丝杠行程误差测量方法。根据丝杠滚道型面检测系统的工作原理,搭建起了检测系统的硬件部分。设计了数据预处理的方法,研究了圆弧拟合算法、滚珠球心位置求取方法以及滚道参数计算方法。在此基础上,根据试验要求使用Visual C++编译软件设计了测控软件,实现了丝杠滚道型面检测系统的自动化测量。分析了丝杠滚道型面检测系统的系统误差,包括位移传感器的安装误差、丝杠安装偏心误差、气浮移动平台的直线度、测量架的旋转精度以及光栅尺的精度。通过设计算法,使用两步牛顿迭代法求解光幕式位移传感器在竖直面内的安装误差,使用对称作图法求出光幕式位移传感器在水平面内的安装误差,并通过试验验证两种方法的有效性。对丝杠滚道型面检测系统的测量精度和重复精度进行了试验验证。试验结果表明检测系统的测量精度和重复精度满足要求。在此基础上,测量国内外丝杠的的滚道参数,做对比试验,并给出了评价结果。基于丝杠滚道型面检测系统,提出了一种新型的丝杠行程误差测量方法。该测量方法不仅能实现丝杠行程误差的静态测量,还能模拟动态测量,并且能彻底消除接触应力、振动干扰信号对测量结果的影响。与滚珠丝杠副行程误差动态测量仪的对比试验表明,该检测方法稳定可靠,且精度高。
[Abstract]:This subject is based on the national science and technology major project "functional component test common technology research and capacity building (2016ZX04004007)" as the background, for the internal and external spiral raceway profile detection methods and devices were studied. The subject has completed the construction of the lead screw raceway profile detection system, including the construction of the measurement and control system, the development of the measurement and control software, the precision analysis and the compensation method of the installation error of the light-screen displacement sensor, the formulation of the test method and the analysis of the test data. On the basis of this, a method of measuring the stroke error of the lead screw based on the measuring system of the lead screw raceway profile is put forward. According to the working principle of the lead screw raceway profile detection system, the hardware part of the detection system is built. The method of data preprocessing is designed, and the arc fitting algorithm, the calculation method of ball center position and the calculation method of raceway parameters are studied. On this basis, the measurement and control software is designed by using Visual C compiler software according to the test requirements, and the automatic measurement of the lead screw raceway profile detection system is realized. The systematic errors of the measuring system for the profile of the lead screw raceway are analyzed, including the installation error of the displacement sensor, the offset error of the lead screw installation, the straightness of the air floating moving platform, the rotation accuracy of the measuring frame and the precision of the grating ruler. Through the design algorithm, two-step Newton iterative method is used to solve the installation error of the light-screen displacement sensor in the vertical plane, and the symmetrical drawing method is used to calculate the installation error of the light-screen displacement sensor in the horizontal plane. The effectiveness of the two methods is verified by experiments. The measuring accuracy and repetition accuracy of the lead screw raceway profile detection system are tested and verified. The test results show that the measurement accuracy and repetition accuracy of the detection system meet the requirements. On this basis, the raceway parameters of the domestic and foreign lead screws are measured, and the comparative tests are made, and the evaluation results are given. A new method for measuring the stroke error of the lead screw is presented based on the measuring system of the lead screw raceway profile. This method can not only realize the static measurement of the stroke error of the lead screw, but also simulate the dynamic measurement, and completely eliminate the contact stress and the effect of vibration interference signal on the measurement results. The test results show that the method is stable and reliable, and the accuracy is high.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG806

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