直线导轨精度检测方法及装置研发
发布时间：2019-06-21 03:10
【摘要】：本课题源自于国家科技重大专项"功能部件测试试验共性技术研究与能力建设(2016ZX04004007)",针对国内现有直线导轨精度检测手段研究的基础上,进行了直线导轨精度全新的测量原理研究和直线导轨精度检测装置的设计。通过以上研究,为直线导轨精度检测提供了全新的测量原理、测量手段和测量装置。本文通过长期大量的调研,明确了检测装备的测量项目、精度需求、性能指标和功能需求,分析了国内现有直线导轨精度的测量手段,总结了其测量原理存在的缺点与错误,提出了基于坐标测量原理和绝对与相对测量原理相结合的测量原理,灵活运用绝对测量和相对测量,并对测量基准直线度进行补偿,以此完成了测量系统的设计。根据所设计的测量系统研究了直线导轨精度检测的测量方法,并分析了相关精度算法以实现对直线导轨精度的评定。根据测量方式的不同,并针对科研与生产的不同关切,设计了两套直线导轨精度测量方案——通用型直线导轨精度检测装置和专用型直线导轨精度检测装置,并对两套方案进行了详细的对比,指出各自的优缺点。研究了直线导轨精度测量装置可能存在的误差源,为后期设计试验台作为基础,并明确了测量装置验收标准及方法。根据要求设计了通用型直线导轨精度检测装置,首先进行测量装置的整体设计及各个系统的设计。在总体设计的基础上,运用SolidWorks、CAXA对检测装备的床身部件、龙门架部分、测量单元和驱动部分等部件进行三维建模及二维加工图纸绘制,并利用ANSYS Workbench等软件对关键部件进行有限元优化设计。根据要求设计了专用型直线导轨精度检测装置,在满足测量要求的前提下,为提高测量装置的经济性,对测量原理进行了简化,并降低了非关键零部件的设计标准,完成了测量装置的整体设计,并利用SolidWorks、ANSYS Workbench等软件对各个分系统进行了三维结构设计并对关键部件进行有限元优化设计。
[Abstract]:This subject originates from the national science and technology major special project "functional components Test and Test Common Technology Research and capacity Building (2016ZX04004007)". Based on the research of the existing linear guideway accuracy testing methods in China, the new measuring principle of linear guideway accuracy and the design of linear guideway precision testing device are carried out. Through the above research, it provides a new measuring principle, measuring means and measuring device for the precision detection of linear guideway. Through a large number of investigations for a long time, this paper clarifies the measurement items, accuracy requirements, performance indexes and functional requirements of the testing equipment, analyzes the existing measurement methods of linear guideway accuracy in China, summarizes the shortcomings and errors existing in its measurement principle, and puts forward the measurement principle based on the combination of coordinate measurement principle and absolute and relative measurement principle, and flexibly applies absolute measurement and relative measurement. The straightness of the measurement datum is compensated, and the design of the measurement system is completed. According to the designed measurement system, the measurement method of linear guideway accuracy detection is studied, and the related accuracy algorithm is analyzed to realize the evaluation of linear guideway accuracy. According to the different measuring methods and according to the different concerns of scientific research and production, two sets of precision measurement schemes of linear guideway, general linear guideway precision measuring device and special linear guideway precision measuring device, are designed, and the two schemes are compared in detail, and their advantages and disadvantages are pointed out. The possible error sources of the linear guideway precision measuring device are studied, which is the basis of the later design of the test-bed, and the acceptance standard and method of the measuring device are clarified. According to the requirements, a general linear guideway precision testing device is designed. Firstly, the overall design of the measuring device and the design of each system are carried out. On the basis of the overall design, the three-dimensional modeling and two-dimensional machining drawing of the bed parts, gantry parts, measuring units and driving parts of the testing equipment are carried out by using SolidWorks,CAXA, and the finite element optimization design of the key components is carried out by using ANSYS Workbench and other software. According to the requirements, the precision detection device of special linear guideway is designed. On the premise of meeting the measurement requirements, in order to improve the economy of the measuring device, the measuring principle is simplified, the design standard of non-key parts is reduced, the overall design of the measuring device is completed, and the three-dimensional structure design of each subsystem is carried out by using SolidWorks,ANSYS Workbench and other software, and the finite element optimization design of the key components is carried out.
【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】：TG502.3
本文编号：2503741
[Abstract]:This subject originates from the national science and technology major special project "functional components Test and Test Common Technology Research and capacity Building (2016ZX04004007)". Based on the research of the existing linear guideway accuracy testing methods in China, the new measuring principle of linear guideway accuracy and the design of linear guideway precision testing device are carried out. Through the above research, it provides a new measuring principle, measuring means and measuring device for the precision detection of linear guideway. Through a large number of investigations for a long time, this paper clarifies the measurement items, accuracy requirements, performance indexes and functional requirements of the testing equipment, analyzes the existing measurement methods of linear guideway accuracy in China, summarizes the shortcomings and errors existing in its measurement principle, and puts forward the measurement principle based on the combination of coordinate measurement principle and absolute and relative measurement principle, and flexibly applies absolute measurement and relative measurement. The straightness of the measurement datum is compensated, and the design of the measurement system is completed. According to the designed measurement system, the measurement method of linear guideway accuracy detection is studied, and the related accuracy algorithm is analyzed to realize the evaluation of linear guideway accuracy. According to the different measuring methods and according to the different concerns of scientific research and production, two sets of precision measurement schemes of linear guideway, general linear guideway precision measuring device and special linear guideway precision measuring device, are designed, and the two schemes are compared in detail, and their advantages and disadvantages are pointed out. The possible error sources of the linear guideway precision measuring device are studied, which is the basis of the later design of the test-bed, and the acceptance standard and method of the measuring device are clarified. According to the requirements, a general linear guideway precision testing device is designed. Firstly, the overall design of the measuring device and the design of each system are carried out. On the basis of the overall design, the three-dimensional modeling and two-dimensional machining drawing of the bed parts, gantry parts, measuring units and driving parts of the testing equipment are carried out by using SolidWorks,CAXA, and the finite element optimization design of the key components is carried out by using ANSYS Workbench and other software. According to the requirements, the precision detection device of special linear guideway is designed. On the premise of meeting the measurement requirements, in order to improve the economy of the measuring device, the measuring principle is simplified, the design standard of non-key parts is reduced, the overall design of the measuring device is completed, and the three-dimensional structure design of each subsystem is carried out by using SolidWorks,ANSYS Workbench and other software, and the finite element optimization design of the key components is carried out.
【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】：TG502.3
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