直線導軌精度檢測方法及裝置研發(fā)
發(fā)布時間:2019-06-21 03:10
【摘要】:本課題源自于國家科技重大專項"功能部件測試試驗共性技術(shù)研究與能力建設(2016ZX04004007)",針對國內(nèi)現(xiàn)有直線導軌精度檢測手段研究的基礎(chǔ)上,進行了直線導軌精度全新的測量原理研究和直線導軌精度檢測裝置的設計。通過以上研究,為直線導軌精度檢測提供了全新的測量原理、測量手段和測量裝置。本文通過長期大量的調(diào)研,明確了檢測裝備的測量項目、精度需求、性能指標和功能需求,分析了國內(nèi)現(xiàn)有直線導軌精度的測量手段,總結(jié)了其測量原理存在的缺點與錯誤,提出了基于坐標測量原理和絕對與相對測量原理相結(jié)合的測量原理,靈活運用絕對測量和相對測量,并對測量基準直線度進行補償,以此完成了測量系統(tǒng)的設計。根據(jù)所設計的測量系統(tǒng)研究了直線導軌精度檢測的測量方法,并分析了相關(guān)精度算法以實現(xiàn)對直線導軌精度的評定。根據(jù)測量方式的不同,并針對科研與生產(chǎn)的不同關(guān)切,設計了兩套直線導軌精度測量方案——通用型直線導軌精度檢測裝置和專用型直線導軌精度檢測裝置,并對兩套方案進行了詳細的對比,指出各自的優(yōu)缺點。研究了直線導軌精度測量裝置可能存在的誤差源,為后期設計試驗臺作為基礎(chǔ),并明確了測量裝置驗收標準及方法。根據(jù)要求設計了通用型直線導軌精度檢測裝置,首先進行測量裝置的整體設計及各個系統(tǒng)的設計。在總體設計的基礎(chǔ)上,運用SolidWorks、CAXA對檢測裝備的床身部件、龍門架部分、測量單元和驅(qū)動部分等部件進行三維建模及二維加工圖紙繪制,并利用ANSYS Workbench等軟件對關(guān)鍵部件進行有限元優(yōu)化設計。根據(jù)要求設計了專用型直線導軌精度檢測裝置,在滿足測量要求的前提下,為提高測量裝置的經(jīng)濟性,對測量原理進行了簡化,并降低了非關(guān)鍵零部件的設計標準,完成了測量裝置的整體設計,并利用SolidWorks、ANSYS Workbench等軟件對各個分系統(tǒng)進行了三維結(jié)構(gòu)設計并對關(guān)鍵部件進行有限元優(yōu)化設計。
[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.
【學位授予單位】:南京理工大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TG502.3
本文編號: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.
【學位授予單位】:南京理工大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TG502.3
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