基于三维图样的公差优化分配方法研究

中国机械工程 ›› 2014, Vol. 25 ›› Issue (21): 2955-2961.

基于三维图样的公差优化分配方法研究

艾彦迪;刘子建;余治民

湖南大学汽车车身先进设计制造国家重点实验室，长沙，410082

出版日期:2014-11-10 发布日期:2014-11-14
基金资助:
国家自然科学基金资助重点项目(51175161)；国家重点基础研究发展计划（973计划）资助项目 (2010CB328002)

Research on Tolerance Optimization Allocation Method Based on 3D Drawings

Ai Yandi;Liu Zijian;Yu Zhimin

State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Changsha,410082

Online:2014-11-10 Published:2014-11-14
Supported by:
National Natural Science Foundation of China（No. 51175161）;National Program on Key Basic Research Project (973 Program)（No. 2010CB328002）

摘要/Abstract

摘要：

提出了基于模型定义技术及动态同构树数据框架的三维图样实现方法，为数控机床公差优化分配过程提供优质数据源。基于雅可比旋量法构建了公差分析模型，对公差传递链各个环节进行了敏感度分析。在满足设计要求的条件下，以成本最小为原则，对各环节公差进行最优配置。以某龙门导轨磨床磨头为例，建立了各零部件的三维图样，并在系统中完成了其公差优化分配过程。验证了基于三维图样的公差优化分配方法的可行性。

关键词: 三维图样, 基于模型定义, 公差传递链, 敏感度

Abstract:

Using MBD and dynamic isolog tree data framework an implementation method of 3D drawings was proposed to provide quality data sources for the tolerance optimization allocation process of NC machine tool. A tolerance analysis model was constructed based on the Jacobi spinor method, and sensitivity analysis for each link of tolerance chain was carried out. Under the conditions of the design requirements and with the principles of minimum cost, the optimal allocation of tolerance in each link was obtained. With grinding head of gantry rail grinder as example, 3D drawings of its components were set up, and the tolerance optimization allocation was completed in the system. The feasibility of tolerance optimization allocation method based on 3D drawings was verified.

Key words: 3D drawing, model based definition(MBD), tolerance chain, sensitivity

中图分类号:

TG801

艾彦迪, 刘子建, 余治民. 基于三维图样的公差优化分配方法研究[J]. 中国机械工程, 2014, 25(21): 2955-2961.

Ai Yandi, Liu Zijian, Yu Zhimin. Research on Tolerance Optimization Allocation Method Based on 3D Drawings[J]. China Mechanical Engineering, 2014, 25(21): 2955-2961.

参考文献

[1]张宇，杨慕升，李晓沛. 面向质量目标的尺寸链和统计公差设计方法[J]. 机械工程学报，2007，43(4)：1-6.
Zhang Yu，Yang Musheng，Li Xiaopei. Quality-oriented Design Approach of Dimensional Chain and Statistical Tolerance[J]. Chinese Journal of Mechanical Engineering，2007，43(4)：1-6.
[2]李永泉，张立杰，郭志民，等. 基于D-H矩阵的球面5R并联机构误差建模及灵敏度分析[J]. 中国机械工程，2012，23(12)：1470-1474.
Li Yongquan，Zhang Lijie，Guo zhimin，et al. Error Modeling and Sensitivity Analysis of Spherical 5R Parallel Manipulator Based on D-H Matrix[J]. China Mechanical Engineering，2012，23(12)：1470-1474.
[3]张开福，李原，杨海. 尺寸链组成环灵敏度排序的多准则群决策算法[J]. 计算机集成制造系统-CIMS，2006，12(10)：1628-1631.
Zhang Kaifu，Li Yuan，Yang Hai. Harmonious Colony-decision Method for Multi-objects Based on Dimension-chain[J]. Computer Integrated Manufacturing Systems，2006，12(10)：1628-1631.
[4]韩飞飞，赵继，张雷，等. 数控机床几何精度综合解析与试验研究[J]. 机械工程学报，2012，48(21)：141-148.
Han Feifei，Zhao Ji，Zhang Lei，et al. Synthetical Analysis and Experimental Study of the Geometric Accuracy of CNC Machine Tools[J]. Journal of Mechanical Engineering，2012，48(21)：141-148.
[5]Sun T，Song Y，Li Y，et al. Separation of Comprehensive Geometrical Errors of a 3-DOF Parallel Manipulator Based on Jacobian Matrix and Its Sensitivity Analysis with Monte-Carlo Method[J]. Chinese Journal of Mechanical Engineering，2011，24(3)：406.
[6]ASME. Y14.41-2003 Digital Product Definition Data Practices[S]. New York: The American Society of Mechanical Engineers, 2003.
[7]ISO. 16792 Technical Product Documentation-Digital Product Definition Data Practices[S]. Geneva: ISO，2006.
[8]Desrochers A, Ghie W, Laperriere L. Application of a Unified Jacobian—torsor Model for Tolerance Analysis[J]. Journal of Computing and Information Science in Engineering, 2003, 3(1): 2-14.
[9]Desrochers A, Rivière A. A Matrix Approach to the Representation of Tolerance Zones and Clearances[J]. The International Journal of Advanced Manufacturing Technology, 1997, 13(9): 630-636.
[10]胡江敏. 基于数字样机的产品装配公差分析技术研究[D]. 上海：同济大学，2007.