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Which commercial L-PBF/SLM machines has which type of in built scan strategies?

Equiaxed crystals

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Various commercial Laser Powder Bed Fusion (L-PBF) machines incorporate different in-built scan strategies to optimize the additive manufacturing process. Research has shown that multi-laser scan strategies can significantly reduce process time without compromising mechanical properties . Strategies such as contouring and compensation optimization have been utilized to improve surface roughness in L-PBF, with studies comparing roughness on different alloys and geometries . The crystallographic structure of fused specimens can be influenced by parameters like laser power, stripe width, and scanning type, demonstrating the controllability of structure during the LPBF process . Evaluation of scanning strategies like parallel stripes, chessboard, and hexagonal patterns has shown varying effects on dimensions, surface roughness, density, and material hardness of printed parts . Additionally, the design of inner structures and scan strategies have been found to impact surface quality and flatness, with proposed new strategies for improved results .

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Open access•Journal Article•DOI A Proposed Scan Strategy Used on SLM Inner Structure Part Jitai Han, Jitai Han, Meiping Wu, Weipeng Duan - Show less +3 more 20 Feb 2020-Materials 3 Citations	Not addressed in the paper.
Open access•Journal Article•DOI Effect of Scanning Strategy in the L-PBF Process of 18Ni300 Maraging Steel Francesco Rivalta, Lorella Ceschini, Anders E.W. Jarfors, Roland Stolt - Show less +3 more 18 May 2021 7 Citations	Not addressed in the paper.
Open access•Journal Article•DOI Comparison of Scan Strategies for Side Roughness Optimization of Al6061-Zr Alloy Produced by Laser Powder Bed Fusion (L-PBF), Benefits and Drawbacks on Different Part Profiles M. T. Béal 22 Jul 2022-Key Engineering Materials	Not addressed in the paper.
Open access•Book Chapter•DOI Modeling of LPBF Scanning Strategy and its Correlation with the Metallic 316 L, 321, and Alnico Magnets Samples Structure 20 Jul 2022	Not addressed in the paper.
Journal Article•DOI Multi-laser scan strategies for enhancing creep performance in LPBF Salomé Sanchez, Christopher J. Hyde, Ian Ashcroft, G A Ravi, Adam T. Clare - Show less +4 more 01 May 2021-Additive manufacturing 17 Citations	Not addressed in the paper.

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