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首页> 外文期刊>Journal of Aerospace Sciences and Technologies >INVESTIGATION ON LEAN CONCEPTS IN AIRCRAFT SHEET METAL PARTS
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INVESTIGATION ON LEAN CONCEPTS IN AIRCRAFT SHEET METAL PARTS

机译：飞机钣金件精益概念的研究。

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摘要

The newly evolved paradigm 'lean' which is primarily based on the concepts of elimination of waste (non value added activities), 'respond to change' and 'continuous improvement' has significant impact on the design and manufacture of aircraft parts. The concepts and principles of lean are prevalent in various CAD/CAM methods practiced in aircraft industry. Concurrent engineering, sharing of common data base, design in context, integrated parts design, precision assembly, weight control etc. are a few of the lean parameters realized using CAD/CAM technologies. Automation in sheet metal manufacturing (automated flat pattern development, nesting for minimizing the raw material wastage and CNC router program generation etc.) facilitated eliminating various non-value added activities like raw material wastage, tooling, post formed trimming operations etc. This paper brings out the lean benefits of CAD/CAM technologies for the design of aircraft parts illustrating through a case study of aircraft sheet metal parts assembly.
机译：新发展的“精益”范式主要基于消除浪费（非增值活动），“响应变化”和“持续改进”的概念，对飞机零件的设计和制造产生重大影响。精益的概念和原理普遍存在于飞机工业中的各种CAD / CAM方法中。并行工程，共享公共数据库，在上下文中进行设计，集成零件设计，精密装配，重量控制等是使用CAD / CAM技术实现的一些精益参数。钣金制造中的自动化（自动平面样式开发，用于最大程度地减少原材料浪费的嵌套和CNC铣削程序的生成等）有助于消除各种非增值活动，例如原材料浪费，工具，成型后的修整操作等。通过飞机钣金零件组装的案例研究，阐明了CAD / CAM技术对飞机零件设计的有益效果。

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