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or the automotive industry recent advances in additive manufacturing (AM) have opened doors for newer, more robust designs; lighter, stronger, and safer products; reduced lead times; and reduced costs. the annual Wohlers report stated that the automotive industry accounted for 16.1% of all AM expenditure. While automotive original equipment manufacturers (OEMs) and suppliers primarily use AM for rapid prototyping, the technical trajectory of AM makes a strong case for its use in product innovation and direct manufacturing in the future.

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Automotive manufacturing requirements
Weight - final parts

One of the most critical aspects relating to the automotive industry is the weight reduction of components. Automotive applications make use of advanced engineering materials and complex geometries in an attempt to reduce weight and improve performance. AM is capable of producing parts from many of the lightweight polymers and metals that are common in the automotive industry.
Complex geometries -prototypes and final parts

Affecting weight and aerodynamics (and therefore vehicle performance) is the geometry of a part. Automotive parts often require internal channels for conformal cooling, hidden features, thin walls, fine meshes and complex curved surfaces. AM allows for the manufacture of highly complex structures which can still be extremely light and stable. It provides a high degree of design freedom, the optimization and integration of functional features, the manufacture of small batch sizes at reasonable unit costs and a high degree of product customization even in serial production.
Temperature - testing and final parts

Many automotive applications require significant heat deflection minimums. There are several AM processes that offer materials that withstand temperatures well above the average 105℃ sustained engine compartment temperatures. SLS nylon as well as some photo-cured polymers are suitable for high temperature applications.

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Common automotive applications
Bellows

Complex Ducting

By using SLS to manufacture non structural low volume ducting such as environmental control system (ECS) ducting for aerospace and performance racing, you can design highly optimized, very complex single piece structures. With SLS it is possible to engineer in variable wall thicknesses and increase the strength to weight ratio through the application of structurally optimized surface webbing. This is a very costly detail to apply with traditional manufacturing techniques. For SLS there is no cost for complexity, parts are printed without support and to a high level of accuracy. packers movers vadodara

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