The core of the thesis research contains : an xml - based representation of sheet metal part ; a similarity method of case base building ; a multi - similarity algorithm for retrieval case in case base 论文研究的核心内容包括：采用基于xml的工艺规程表达技术解决钣金工艺实例的表达问题；以相似性推理算法为基础建立钣金工艺实例库；采用多层次匹配算法进行实例的检索匹配。
Of wet grinding and self - reciprocating type , this grinder is suitble for grinding knives for paper cutting and printing industries and also capable of 9rinding knives of diagonal and ventical knives in metal , wood plastic and leather works 本机系湿磨自动往复式磨刀机，适用于刀磨印刷纸制品行业中的各种切纸刀片，并适用于刀磨板金工木工塑料皮革等行业的各种斜口或直型刀片。
The general plant has 4 branches , those are casting branch plant , riveting and welding , metalworking plant the registered fund is 8 . 5 million yuan , has 12000 square meters of coverage and over 100 staff , including over 20 engineering technical staff 总厂下设四个分厂,分别为铸造分厂、铆焊分厂、金工分厂和成装分厂.注册资金850万元,占地12000平方米,员工100余名,其中工程技术人员20余名
The goal of the thesis is to improve the intelligent and practicability of sheet metal process planning . in this thesis , case - based reasoning theory is applied to sheet metal process planning and a case - based process planning system for sheet metal parts is presented 本文结合科研项目，以提高钣金工艺设计的智能化程度和实用性为目标，深入研究基于实例的推理在钣金工艺设计领域的应用。
Sheet metal process planning is an important activity to connect the design and manufacture of sheet metal part . however , the developing level of sheet metal process planning is far behind of others , and it is characterized as a bottleneck of production 钣金工艺设计是连接钣金设计和制造的重要环节，但钣金工艺设计水平却远远落后于其设计和制造水平，成为制约钣金生产效率提高的“瓶颈” 。
