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Technical Paper

Total Quality Assurance of Aerospace Components Applying Process Capability Analysis

2015-09-15
2015-01-2615
The aerospace industry is continually becoming more competitive. With an aircraft's large number of components, and the large supplier base used to fabricate these components, it can be a daunting task to manage the quality status of all parts in an accurate, timely and actionable manner. This paper focuses on a proof of concept for an aircraft fuselage assembly to monitor the process capability of machined parts at an aircraft original equipment manufacturer (OEM) and their supply chain. Through the use of standardized measurement plans and statistical analysis of the measured output, the paper will illustrate how stakeholders can understand the process performance details at a workcell level, as well as overall line and plant performance in real time. This ideal process begins in the product engineering phase using simulation to analyze the tolerance specifications and assembly process strategy, with one of the outputs being a production measurement plan.
Technical Paper

Dimensional Engineering and Tolerance Analysis: Do It Right the First Time

2012-04-16
2012-01-0949
Users of a well-thought-out dimensional engineering (DE) process and the latest simulation-based tolerance analysis tools can greatly reduce the need for physical prototypes through virtual analysis. This presentation will highlight how tolerance analysis tools used as part of a DE process enable users to complete the development and launch of new and enhanced products in far less time than the competition. Don Jasurda, an experienced industry speaker, will describe how simulation-based tools used in a “closed-loop” DE process enable users to identify potential engineering issues in the virtual world instead of using physical prototypes. He will highlight real-life case study examples where automotive OEMs and suppliers have been able to use such tools to: Quickly predict and respond to the affects of variation and its impact on product quality.
Technical Paper

The Correlation of As-Manufactured Products to As-Designed Specifications: Closing the Loop on Dimensional Quality Results to Engineering Predictions

2011-10-18
2011-01-2569
Simulation-based tolerance analysis is the accepted standard for dimensional engineering in aerospace today. Sophisticated 3D model-based tolerance analysis processes enable engineers to measure variation in complex, often large, assembled products quickly and accurately. Best-in-class manufacturers have adopted Quality Intelligence Management tools for collecting and consolidating this measurement data. Their goal is to completely understand dimensional fit characteristics and quality status before commencing the build process. This results in shorter launch cycles, improved process capabilities, reduced scrap and less production downtime. This paper describes how to use simulation-based approaches to correlate the theoretical tolerance analysis results produced during engineering simulations to actual as-built results. This allows engineers to validate or adjust as-designed simulation parameters to more closely align to production process capabilities.
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