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首页> 外文学位 >Design for assembly line performance: The link between DFA metrics and assembly line performance metrics.
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Design for assembly line performance: The link between DFA metrics and assembly line performance metrics.

机译：流水线性能设计：DFA指标和流水线性能指标之间的链接。

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摘要

Design for Assembly (DFA) is a tool that has been in use for almost 40 years. While it has been a useful design tool, it is not explicitly linked to actual manufacturing line performance. The motivation for this research came from the desire to link DFA directly to line balance and cycle time performance. The natural question that arose was whether these issues could be considered at the design stage by using the metrics that are derived from a DFA analysis. It is known that the time required to assemble a product can be estimated from both a DFA analysis and from a manufacturing analysis. This work links these two analysis methods so that the manufacturing parameters can be estimated and used to guide the design of a product.;The methodology developed begins with a DFA analysis of the product. The times and operations from the DFA analysis are used to determine the minimum number of workstations to balance the line while maintaining the production rate (takt time) and precedence constraints. The precedence constraints are systematically relaxed in order to generate measures on a component-by- component basis as to the impact it could have on reducing cycle time and improving Line Balancing performance. These measures, coupled with an understanding of precedence types, are used to identify design improvements to a product. To illustrate how product designer can consider assembly line performance issues during the design stage of the product, the methodology has been applied to an ABS brake assembly.
机译：组装设计（DFA）是已经使用了近40年的工具。虽然它是有用的设计工具，但并未明确链接到实际的生产线性能。进行这项研究的动机来自将DFA直接与生产线平衡和周期时间性能联系起来的愿望。随之而来的自然问题是，是否可以在设计阶段使用DFA分析得出的指标来考虑这些问题。已知可以通过DFA分析和制造分析来估计组装产品所需的时间。这项工作将这两种分析方法联系在一起，以便可以估算制造参数并将其用于指导产品的设计。所开发的方法从对产品的DFA分析开始。 DFA分析中的时间和操作用于确定在保持生产率（生产时间）和优先顺序约束的同时平衡生产线的最小工作站数量。优先权约束被系统地放宽，以便逐个组件地对其可能对缩短周期时间和改善线路平衡性能产生的影响进行度量。这些措施，加上对优先级类型的理解，可用于识别产品的设计改进。为了说明产品设计师在产品设计阶段如何考虑流水线性能问题，该方法已应用于ABS制动器总成。

著录项

  • 作者

    Kamath, Krishna.;

  • 作者单位

    Rochester Institute of Technology.;

  • 授予单位 Rochester Institute of Technology.;
  • 学科 Engineering Industrial.
  • 学位 M.S.
  • 年度 2009
  • 页码 105 p.
  • 总页数 105
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 公共建筑;
  • 关键词

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