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计算机辅助焊接工艺规程设计 总被引:1,自引:0,他引:1
本文介绍了太原重型机器厂的计算机辅助焊接工艺规程设计(WCAPP)系统。该系统以车间现有设备及工艺装备为基础,以图形相似、工序相同为前提,收集了大量的现场工艺信息和生产经验,利用成组技术原理建立了具有一定智能的逻辑判断工艺决策系统。可以根据综合零件族结构要素及工艺特征,选择最优工艺方案的综合工艺规程,从而自动进行焊接工艺规程设计。本系统适用于批量生产或单件小批量生产的企业的焊接工艺设计。经生产实践验证,具有良好效果。 相似文献
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本文通过分析,认为图论割集算法和与或图AO^+算法是装配顺序生成较合适的通用算法,但是,制约其实用化的关键问题是约束知识的获取。任何约束都不能仅仅认为是绝对约束和绝对不约束这两种情况,而应对约束附加约束程度系数。本文就此提出了约束知识获取的谓词逻辑推理算法。 相似文献
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计算机辅助工艺设计(CAPP)是提高设计效率和工业生产率的理想工具,是联系CAD与CAM的纽带,也是实现计算机集成制造的关键因素之一,本文简要概拓了计算机辅助工艺设计(CAPP)的分类特点及发展趋势,在此基础上较详细地回顾了国内焊接工艺计算机辅助设计系统的发展历史,并针对焊接领域新一代CAPP应具备的功能作了简要总结。 相似文献
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介绍采用计算机对多台湿磨机运行时间进行严格的管理和控制 ,可以达到减少人为控制湿磨时间的不利因素 ,提高产品一次投入产出合格率 ,降低电能消耗的目的 相似文献
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This paper presents generalized CAPP (G-CAPP) method which deals with macro process planning for multiobjective in the planning stage of production line of accuracy welding (PLAW) based on the features of accuracy welding production ( AWP ). G-CAPP offers foundations for prototype design and general equipment sorting, production capacity predication and production analysis by means of simulation and optimization. A synthetic hierarchy evaluation (SHE) model for G-CAPP established according to the planning objective is utilized to estimate the alternate processing plans by using membership function and analytic hierarchy process (AHP) of operational theory. The assembly welding line of hydraulic torque converter (HTC) is as an example of typical A WP to explicate G-CAPP and synthetic evaluating strategy of PLAW. The feasible and rational process configuration strategies of HTC assembly welding line are pointed oat under different planning objective. 相似文献
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焊接结构装焊工艺CAPP系统中工艺生成模式 总被引:1,自引:0,他引:1
通过对焊接结构的装焊工艺进行分析,提出了多种计算机辅助生成装焊工艺的方法。在此基础上开发了一个包含有多种装焊工艺生成方法的实用CAPP系统。 相似文献
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The realization of ‘intelligent and resource aware’ distributed enterprises requires substantial development of the underpinning modelling, information management and knowledge representation technologies. This paper deals with the ‘resource-aware, aggregate planning’ of manufacturing operations at early design stages. The term ‘resource aware’ indicates the creation of a dynamic inter-relationship between the planning entities and the enterprise resources, humans and machines. The technologies employed for implementing the pilot methods include; a web-centric co-development environment, unique methods for enriching planning entities with knowledge, and a flexible engine supporting planning scenarios by using evolutionary computing for optimisation and capability analysis techniques for feedback evaluation. 相似文献
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1.Thewell--knowninworldpracticetechnologiesofptilsed--arcweldinguse,asarule,algorithmsofcontndonthebasisofastrictlydefinedprogralnlne,thatdoesnotPetittousesuchtechnologiesforweldinginanatmosphereofachvegases.TheadaptivePalsedareweldingtechnologicalprocessesarebasedonusingalgorithmsofPulsedcontnd.Thesearecorrected,dabingatechnologicalprocess,throughchannelsoffeedbackinrelationtOthevaluationOftheinstantaneousvaluesOfthemainenergycharacteristicsOftheweldingprocess(arecurrentandvoltage,peakshort… 相似文献