During the part design process, the main objective is usually the maximum performance in use. For aircraft structural parts, the best ratio between mechanical resistance and weight is sought. However, these objectives can lead to geometries which are complex to manufacture. The DFM method presented here is based on concepts from morphological studies and analytic hierarchy process (AHP) to optimize the geometry of an I-Beam considering its manufacturing process and use. To do this, all the I-Beam alternatives that fit into the mechanical environment of the part are listed. Performance indicators are then defined to evaluate the weight, mechanical resistance, and manufacturability of each I-Beam. Then, performance indicators are compared and their relative priority measured on a ratio scale. Finally, the various I-Beam alternatives are compared using a macro-indicator composed of all the performance indicators in order to find the best geometry for the part considering its industrial and economic environment.
The International Journal of Advanced Manufacturing Technology – Springer Journals
Published: Oct 23, 2017
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