| 1. | Solving method of dimension chain based on spa and its application
尺寸链求解的集对分析方法研究与应用 |
| 2. | The solution of fixed setting assembly dimension chain based on packed assembly
的思路解固定调整法装配尺寸链 |
| 3. | Computer - aided aircraft tolerance design of the planar dimension chain based on ug platform
的平面尺寸链的计算机辅助飞机公差设计 |
| 4. | Several complementary computing dimension chain formulas of extremum method and probability method are deduced
推导了使用极值法、概率法计算尺寸链的补充公式。 |
| 5. | ( 2 ) utilizing the shortest path algorithm in graph theory to search functional dimension chains automatically in the assembly model and ascertain the functional dimensions of the part
( 2 )运用图论中的最短路径搜索算法从装配模型中自动搜索出功能约束尺寸链，确定零件的功能尺寸。 |
| 6. | For small tolerance remaining dimension chains , if uses the conventional method of calculating dimension chain , some tolerance in the dimension chain will be compressed very small
摘要对于公差较小的余量尺寸链，若利用常规的尺寸链计算方法计算，其尺寸链中某些尺寸的公差可能被压缩得很小，以致有可能超出设备的加工能力。 |
| 7. | Introduces a flexible method of calculating that can magnify the too small tolerance and improve the economic benefit of machining parts through counterchanging the roles of close loop and component loop in dimension chain
为此，介绍一种变通算法，变换尺寸链中封闭环和组成环的角色，将过小的公差放大，从而可提高零件加工的经济性。 |
| 8. | 3 ) a technology of constructing the component library of nc process equipment based on the key characteristic model is studied , with which the assembly relation and dimension chain between the parts are sealed into the tool of constructing component library
3 )研究了基于主参数信息模型的数控工装组合件库建库技术,利用主参数信息模型把零件之间的装配关系、尺寸链接与关联关系封装在数控工装组合件库建库工具中。 |
| 9. | The nonlinear dimensions are decomposed into several sets of linear dimensions , and the 3d dimension chain is projected into dimension chains of three individual directions , namely , x - coordinate direction , y - coordinate direction and z - coordinate direction . every individual dimension chain is checked with an improved algorithm of dimension testing , and the conflicting dimension is adjusted by the mechanism of dimension rank and the principle for adjusting the dimension model
介绍了各种非线性尺寸虚拟分解成线性尺寸的方法，将空间的尺寸链投影成x 、 y 、 z三个方向上的单向尺寸链，在此基础上根据改进的尺寸冗余判断算法对各单向尺寸链进行尺寸封闭检查；引入尺寸的优先机制和尺寸模型调整的原则，据此对冲突的尺寸进行调整。 |
| 10. | In such a background , with the in - depth research on key techniques such as " assembly modeling " 、 " application of dimension chain technique " 、 " research on dimensioning mode " , the flexible application of correlative mathematical tools in graph theory , the utilization of relatively convenient activex technique provided by cad , the corresponding system has been developed to ascertain the functional dimensions and dimensioning mode , complete the automatic dimensioning of parts
本文就是在这样的一个大背景下，通过对“装配建模” 、 “尺寸链技术的应用” 、 “尺寸标注模式的研究”等关键技术进行深入的研究，灵活应用图论中的相关数学工具，利用现代cad环境所提供的比较方便的activex技术，开发出相应的系统，确定出零件的功能尺寸和标注模式，实现零件尺寸标注的自动化。 |
