Abstract
Abstract The dynamic development of additive manufacturing technologies, especially over the last few years, has increased the range of possible industrial applications of 3D printed elements. This is a consequence of the distinct advantages of additive techniques, which include the possibility of improving the mechanical strength of products and shortening lead times. Offshore industry is one of these promising areas for the application of additive manufacturing. This paper presents a decision support method for the manufacturing of offshore equipment components, and compares a standard subtractive method with an additive manufacturing approach. An analytic hierarchy process was applied to select the most effective and efficient production method, considering CNC milling and direct metal laser sintering. A final set of decision criteria that take into account the specifics of the offshore industry sector are provided.
Highlights
Additive technologies, commonly referred to as 3D printing, are a set of methods enabling the layered construction of objects based on 3D computer models, and without using part-dependent tools [1, 15]
This paper presents the results obtained from a multi-criteria decision making (MCDM) method called an analytic hierarchy process (AHP) for the selection of the POLISH MARITIME RESEARCH, No 3/2020 (a)
We propose a decision support method for selecting a suitable manufacturing technology for offshore equipment components, which can help in the wider implementation of direct metal laser sintering (DMLS) technology in the maritime construction sector
Summary
Commonly referred to as 3D printing, are a set of methods enabling the layered construction of objects based on 3D computer models, and without using part-dependent tools [1, 15]. The strong increase in interest in additive technologies that has been noticeable in recent years is related to developments in the methods and systems of 3D printing [33]. Advanced materials, including those with reinforcement phases, can be used to create products [26, 29, 32]. The term additive manufacturing (AM) refers to the fabrication of components with specific mechanical and functional properties
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