农业机械学报2024，Vol.55Issue(1)：446-458,13.DOI:10.6041/j.issn.1000-1298.2024.01.043
精密镗床旋转轴几何误差完备性测量与辨识
Completeness Measurement and Identification of Geometric Error of Rotary Axis of Boring Machine
摘要
Abstract
To address the problem that the number of geometric errors were inconsistent and incompleteness which needed to be measured for the rotary axis of four axis horizontal boring machine,an analyzing methodology of PIGEs formation mechanism based on the shape generation function and a method of the completeness measuring,identifying geometric errors of the rotary axis were proposed for a four axis horizontal boring machine.Firstly,the generation function of PIGEs of horizontal boring machines was constructed based on the shape generation mechanism,and the minimum number of position-independent geometric error(PIGEs)that the rotary axis can be adjusted through error compensation was determined.Secondly,the completeness function model was established consisted of four terms PIGEs,six terms position-dependent geometric error(PDGEs),six terms setup error(SEs)and DBB measurement track radius length of the rotary axis of horizontal boring machine,the Viviani curve measurement track based on DBB was designed based four-axis synchronized motion,and the NURBS characterization of six item PDGEs,identification methods of PIGEs,and SEs of the rotary axis were constructed.Finally,the comparative experiment by error compensating was carried out.The results showed that the error compensation using the geometric error completeness measurement and identification results included four terms PIGEs,six terms PDGEs,and six terms SEs can improve the measurement accuracy of circular trajectory by 40.69％compared with that of compensate six PDGEs simply.关键词
卧式镗床/几何误差/创成机理/旋转轴/完备性测量与辨识Key words
horizontal boring machine/geometric error/formation mechanism/rotary axis/completeness measurement and identification分类
机械制造引用本文复制引用
郭世杰,丁强强,邹云鹤,萨日娜,唐术锋..精密镗床旋转轴几何误差完备性测量与辨识[J].农业机械学报,2024,55(1):446-458,13.基金项目
国家自然科学基金项目(52065053、52365058、52365064)、内蒙古关键技术攻关项目(2021GG0255)、内蒙古自治区高等学校创新团队发展计划支持项目(NMGIRT2213)、内蒙古自治区直属高校基本科研业务费项目(ZTY2023005、JY20230043)、内蒙古自治区高等学校青年科技英才支持计划项目(NJYT23043)和内蒙古自然科学基金项目(2023LHMS05018、2023LHMS05017) （52065053、52365058、52365064）
