Abstract
Additive manufacturing (AM) is one of the fastest growing and most promising manufacturing technologies, offering significant advantages over conventional manufacturing processes. That is, the geometrical flexibility that leads to increased design freedom is not infinite as the numerous AM processes impose manufacturing limitations. Abiding by these manufacturability rules implies a backpropagation of AM knowledge to all design phases for a successful build. A catholic AM-driven design framework is needed to ensure full exploitation of the AM design capabilities. The current framework is based on the definition of the CAD aspects and the AM process parameters. Their dependence, affection to the resulted part, and weight on the total process determine the outcome. The AM-driven design framework prevents manufacturing issues of certain geometries, that can be effortlessly created by conventional manufacturing, and additionally exploits the full design-freedom potentials AM has to offer with a linear design flow reducing design iterations and ultimately achieving first time right AM design process.
Highlights
One of the most promising value propositions of the additive manufacturing technologies is the zero-cost geometry flexibility, assuming part manufacturability. Benefits such as design freedom, integrated design, production flexibility with no need of product-specific tools, and lead time reduction for short series production are assets that Additive manufacturing (AM) can offer to the industrial sector [1, 2]
The wide spectrum of AM technologies comes along with numerous manufacturing limitations [3]. These limitations emerge to the latest phases of a part design, which causes multiple design iterations until complete obedience to the AM rules for manufacturability
The step is to develop a design framework of the bellow, dense in information blocks to extract manufacturability knowledge and morph the optimum part design. These aspects are mostly a concern for the production engineer rather than for the industrial designer; yet, the significance of these aspects is high for the outcome in AM technologies [4]
Summary
One of the most promising value propositions of the additive manufacturing technologies is the zero-cost geometry flexibility, assuming part manufacturability Benefits such as design freedom, integrated design, production flexibility with no need of product-specific tools, and lead time reduction for short series production are assets that AM can offer to the industrial sector [1, 2]. The wide spectrum of AM technologies comes along with numerous manufacturing limitations [3] These limitations emerge to the latest phases of a part design, which causes multiple design iterations until complete obedience to the AM rules for manufacturability. A mapping of the design aspects will be presented and an AM-driven design framework with a computational mindset for manufacturability will be proposed. This design gap has been identified from existing literature [5]
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