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Figure 1.9.

One of the biggest challenges faced in the aerospace industry is the inability to manufacture large and odd-sized components. Another main challenge faced in the field of aerospace is that the strength in the plane of layers is not uniform. The scalability of traditional manufacturing methods is limited, which find difficulty in stocking inventories. Printing multiple materials cannot be achieved simultaneously with AM, thus making it somewhat unsatisfactory. This is a problem that needs to be solved with advances in material science, by expanding the selection of materials and reducing their cost.

AM in aerospace gives a good inspection of the parts in a completely automated process. In the manufactured parts in aerospace, an accuracy of about 30–40 microns is offered by AM. Good quality parts along with good tolerance levels of less than 10 microns can be achieved with AM. The flexibility of AM allows the designers to manufacture various parts using different materials, thus increasing its competitiveness. Production and unloading can occur simultaneously with AM technology incorporated in the aerospace industry to overcome the scalability criteria.