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Author Spotlight: Improving the Production of Self-Assembling Fibers and Peptide Hydrogels for Superior Biocompatibility

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Redesign methodology for mechanical assembly.

AbdulRahman El-Nounu¹, Atanas Popov¹, Svetan Ratchev¹

¹The University of Nottingham, Nottingham, NG7 2RD UK.

Research in Engineering Design

|April 2, 2019

Summary

This study introduces a new tool for identifying profitable redesign for assembly projects in the aerospace sector. It addresses challenges in legacy product redesign, including obsolescence and operational difficulties, to improve manufacturing efficiency.

Keywords:

Aerospace assembly Design for assembly Redesign for assembly

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Area of Science:

Aerospace Engineering
Manufacturing Processes
Product Lifecycle Management

Background:

Aerospace products have long lifecycles, leading to outdated manufacturing technologies and methods.
Existing products often carry preloaded costs due to design decisions made early in their lifecycle.
Legacy products have not benefited from modern design for assembly (DFA) methodologies.

Purpose of the Study:

To analyze existing DFA methodologies in the context of legacy product redesign challenges.
To identify novel factors crucial for redesign analysis, such as obsolescence impact and operational difficulty.
To develop and validate a tool for identifying potential DFA redesign projects in the aerospace industry.

Main Methods:

Analysis of existing design for assembly methodologies.
Identification of unique challenges in legacy product redesign.
Development of a novel tool incorporating obsolescence impact and holistic operation difficulty assessment.
Demonstration of the tool using real aerospace data and comparison against business decisions.

Main Results:

The developed tool effectively identifies potential design for assembly redesign projects.
Obsolescence impact and holistic operation difficulty were identified as key factors in redesign analysis.
The tool demonstrated a strong correlation with profitable project identification.

Conclusions:

The proposed tool provides a reliable method for pinpointing profitable redesign for assembly opportunities in the aerospace sector.
Addressing obsolescence and operational difficulty is critical for successful legacy product redesign.
Implementing modern DFA principles in legacy product redesign can mitigate preloaded costs and improve manufacturing.