【摘要】：船用柴油機作為典型的復雜裝配產品,其結構復雜、功能模塊較多的特點為裝配工藝設計與生產制造過程帶來了極大的挑戰(zhàn)。隨著計算機技術、網絡技術等不斷向設計制造領域的移植和集成,計算機輔助裝配工藝規(guī)劃已成為必然的趨勢。針對目前柴油機關鍵件裝配工藝設計過程復雜、工藝驗證手段缺乏以及現(xiàn)場作業(yè)效率較低等問題,本文從統(tǒng)一數(shù)據源的角度出發(fā),分析多種應用系統(tǒng)集成方式,以裝配工藝設計、工藝仿真以及工藝可視化為主體關鍵技術展開深入的研究,構建船用柴油機可視化裝配工藝規(guī)劃系統(tǒng)平臺,推動柴油機制造企業(yè)生產模式向先進制造方向的發(fā)展。具體研究內容如下所示:(1)提出基于統(tǒng)一數(shù)據源的三維裝配工藝設計技術研究,從上游接收產品EBOM并建立產品模型庫,結合工藝資源分類和建模規(guī)則建立三維工藝資源庫,在EBOM基礎上結合表達裝配層次和順序關系的裝配轉碼,自動轉換生成PBOM。展開詳細的三維結構化裝配工藝設計,各類數(shù)據集信息動態(tài)、集成的構建工藝模型以及裝配工藝結構樹,為下游工藝仿真及可視化提供穩(wěn)定且唯一的產品、資源和工藝數(shù)據,提高數(shù)據傳遞的準確性,解決工藝數(shù)據管理混亂、工藝信息表達不清晰等問題。(2)圍繞復雜產品裝配為核心,展開數(shù)字化裝配工藝仿真技術研究,結合應用系統(tǒng)集成方式,提取工藝設計數(shù)據,組織并轉換為工藝仿真數(shù)據。搭建基于仿真的數(shù)字化裝配場景,結合裝配場景展開圍繞以關鍵件為核心的裝配路徑規(guī)劃及仿真,以及圍繞人為中心的更深層次的人機工程仿真分析,且基于裝配工藝設計平臺,對裝配仿真數(shù)據進行統(tǒng)一的集成管理,解決工藝方案評估缺乏可靠的驗證手段等問題。(3)針對現(xiàn)場裝配作業(yè)指導不直觀、質量數(shù)據管理混亂、問題反饋不及時等問題,提出面向現(xiàn)場的裝配工藝可視化技術研究,結合網絡技術及應用系統(tǒng)集成方式,打造面向現(xiàn)場的工藝信息、資源可視化平臺,充分考慮現(xiàn)場質量數(shù)據管理和工藝問題反饋的需求,提出現(xiàn)場質量數(shù)據無紙化管理方式,建立現(xiàn)場問題反饋溝通橋梁,達到現(xiàn)場作業(yè)與工藝設計“不脫節(jié)”的目的,提升面向復雜裝配產品的現(xiàn)場作業(yè)管控效率。(4)基于上述理論分析,本文結合Teamcenter和Vis MockUp軟件進行自主應用和開發(fā),打通工藝設計與工藝仿真之間的集成鏈路。結合網絡技術搭建面向現(xiàn)場的裝配工藝可視化平臺,方便操作人員進行可視化作業(yè)、質量數(shù)據管理和工藝執(zhí)行反饋,打通協(xié)同環(huán)境下工藝設計和現(xiàn)場制造的各關鍵環(huán)節(jié)。
[Abstract]:As a typical complex assembly product, marine diesel engine has the characteristics of complex structure and more function modules, which brings great challenges to assembly process design and manufacturing process. With the continuous transplantation and integration of computer technology and network technology into the field of design and manufacture, computer-aided assembly process planning has become an inevitable trend. In view of the complex process of assembly process design of key parts of diesel engine, the lack of means of process verification and the low efficiency of field operation, this paper analyzes the integration methods of various application systems from the point of view of unified data source. Based on the key technologies of assembly process planning, process simulation and process visualization, the platform of visual assembly process planning system for marine diesel engine is constructed. Promote the development of diesel engine manufacturing enterprise production model to advanced manufacturing direction. The specific research contents are as follows: (1) the 3D assembly process planning technology research based on unified data source is proposed. The product EBOM is received from upstream and the product model library is established. The 3D process resource database is established by combining process resource classification and modeling rules. On the basis of EBOM, the assembly transcoding based on the expression of assembly hierarchy and sequence is combined to generate PBOM. automatically. Detailed 3D structured assembly process planning, dynamic information of all kinds of data sets, integrated process model and assembly process structure tree are developed to provide stable and unique products, resources and process data for downstream process simulation and visualization. Improve the accuracy of data transmission, solve the process data management confusion, process information is not clear and other issues. (2) around the complex product assembly as the core, the digital assembly process simulation technology research, combined with the application system integration, Process planning data are extracted, organized and converted into process simulation data. The digital assembly scene based on simulation is built, and the assembly path planning and simulation based on the key parts is combined with the assembly scene, and the deeper ergonomics simulation analysis is carried out around the human being. Based on the assembly process planning platform, the integrated management of assembly simulation data is carried out, and the problem of lack of reliable verification means for process scheme evaluation is solved. (3) aiming at the fact that the on-site assembly operation guidance is not intuitive, the quality data management is confused. The problem feedback is not timely and so on. This paper puts forward the field oriented assembly process visualization technology research, combined with network technology and application system integration method, to create a field oriented process information, resource visualization platform, Considering the demand of field quality data management and process problem feedback, the paper puts forward the paperless management mode of field quality data, establishes the communication bridge of field problem feedback, and achieves the purpose of "not disjointing" between field operation and process design. (4) based on the above theoretical analysis, this paper combines Teamcenter and Vis MockUp software to independently apply and develop the integrated link between process planning and process simulation. Combined with the network technology, the visual platform of assembly process oriented to the field is built, which is convenient for operators to carry out visual operations, quality data management and process execution feedback, so as to get through the key links of process planning and field manufacturing in collaborative environment.
【學位授予單位】：江蘇科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：U664.121;TG95

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