This paper discusses on assembly process planning problem using decomposition method, puts forward union graph to represent disassemble process planning space.
文章以问题规约的求解策略，以分解法规划产生的装配序列，提出与或图表达装配体拆卸序列解空间。
Includes valve assembly, less union nuts and end connectors.
包括阀门总成，不包括活接头螺母和端口连接件。
The closing_in process of union nut assembly is analyzed and the structure, working principle and application on the lathe of the rolling closing_in tool are introduced in this paper.
分析了管螺母组件收口工艺，介绍了滚压收口工具的结构、工作原理及其在车床上的应用。
NUM; National Union of Motor Assembly and Rubber Workers of South Africa;
南非汽车装配与橡胶工人全国联盟；
NUM; National Union of Motor Assembly and Rubber Workers of South Africa;
南非汽车装配与橡胶工人全国联盟；
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