Selective laser melting (SLM) is an additive manufacturing technique by which structural geometrical complex parts can be created directly by selectively melting consecutive layers of powder. Although SLM is not a high-precision technology, it finds its application in specialized mechatronic equipment because it enables to re-think design and engineering. Performance gains can be achieved by making subassemblies smaller and lighter, through optimizing fluid dynamics or by reducing manufacturing cost. Where additive manufacturing (AM) is often portrayed to offer freedom of design, it comes with its own set of limitations. In regards to meet the requirements of mechatronic applications, process development in the field of dimensional accuracy, surface roughness and surface cleanliness is mandatory. However, of prime importance are the process requirements which are at the core of the SLM process to enable AM material and component validation which ultimately enable its adoption as a volume production technology.
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