Study of the Geometrical Limitations Associated to the Metallic Part Manufacturing by the LMD Process

Arregui, Laura; Garmendia, Iker; Pujana, Joseba; Soriano, Carlos

doi:10.1016/j.procir.2017.12.096

Cited by 16 publications

(7 citation statements)

References 11 publications

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“…In recent years, LMD technology has attracted much attention in the industry. Arregui et al [131] studied the geometric limitations of LMD additive manufacturing metal parts in 2018. The results show that good forming parts can be obtained for 90-60 • in the case of not adjusting the laser head.…”

Section: Prospect and Challenge Of 3d Printing In Pure Coppermentioning

confidence: 99%

A Review on Additive Manufacturing of Pure Copper

Jiang

Zhang

et al. 2021

Coatings

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With the development of the aerospace and automotive industries, high heat exchange efficiency is a challenge facing the development of various industries. Pure copper has excellent mechanical and physical properties, especially high thermal conductivity and electrical conductivity. These excellent properties make pure copper the material of choice for the manufacture of heat exchangers and other electrical components. However, the traditional processing method is difficult to achieve the production of pure copper complex parts, so the production of pure copper parts through additive manufacturing has become a problem that must be overcome in industrial development. In this article, we not only reviewed the current status of research on the structural design and preparation of complex pure copper parts by researchers using selective laser melting (SLM), selective electron beam melting (SEBM) and binder jetting (BJ) in recent years, but also reviewed the forming, physical properties and mechanical aspects of pure copper parts prepared by different additive manufacturing methods. Finally, the development trend of additive manufacturing of pure copper parts is also prospected.

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Section: Prospect and Challenge Of 3d Printing In Pure Coppermentioning

confidence: 99%

A Review on Additive Manufacturing of Pure Copper

Jiang

Zhang

et al. 2021

Coatings

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“…Another important factor is the dwell time, which refers to the cooldown time required at the start and end of each layer. Typically, the longer the dwell time, the better the overall geometrical features of the object (Arregui et al, 2018). The building orientation (e.g.…”

Section: Layer Thicknessmentioning

confidence: 99%

3D printing: Principles and pharmaceutical applications of selective laser sintering

Awad

Fina

Goyanes

et al. 2020

International Journal of Pharmaceutics

249

129

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Pharmaceutical three-dimensional (3D) printing is a modern fabrication process with the potential to create bespoke drug products of virtually any shape and size from a computer-aided design model. Selective laser sintering (SLS) 3D printing combines the benefits of high printing precision and capability, enabling the manufacture of medicines with unique engineering and functional properties. This article reviews the current state-of-the-art in SLS 3D printing, including the main principles underpinning this technology and highlights the diverse selection of materials and essential parameters that influence printing. The technical challenges and processing conditions are also considered in the context of their effects on the printed product.Finally, the pharmaceutical applications of SLS 3D printing are covered, providing an emphasis on the advantages the technology offers to drug product manufacturing and personalised medicine.

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“…In particular, the build size in LPBF is limited by the dimensions of the building substrate and the additive system [77][78][79]. In 2018, Arregui et al [80] analysed the minimum slope that can be achieved on inclined walls by DLD and concluded that for small slope angles, the laser head should be inclined so that the deposition to be carried out with a head normal to the substrate to avoid geometrical distortions. Additionally, support structures are usually necessary when DLD or LPBF is used to manufacture certain complex geometries, e.g.…”

Section: Limitations Of Powder-based Laser Additive Manufacturing Formentioning

confidence: 99%

Powder-based laser hybrid additive manufacturing of metals: a review

Jiménez

Bidare

Hassanin

et al. 2021

Int J Adv Manuf Technol

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Recent advances in additive manufacturing (AM) have attracted significant industrial interest. Initially, AM was mainly associated with the fabrication of prototypes, but the AM advances together with the broadening range of available materials, especially for producing metallic parts, have broaden the application areas and now the technology can be used for manufacturing functional parts, too. Especially, the AM technologies enable the creation of complex and topologically optimised geometries with internal cavities that were impossible to produce with traditional manufacturing processes. However, the tight geometrical tolerances along with the strict surface integrity requirements in aerospace, biomedical and automotive industries are not achievable in most cases with standalone AM technologies. Therefore, AM parts need extensive post-processing to ensure that their surface and dimensional requirements together with their respective mechanical properties are met. In this context, it is not surprising that the integration of AM with post-processing technologies into single and multi set-up processing solutions, commonly referred to as hybrid AM, has emerged as a very attractive proposition for industry while attracting a significant R&D interest. This paper reviews the current research and technology advances associated with the hybrid AM solutions. The special focus is on hybrid AM solutions that combine the capabilities of laser-based AM for processing powders with the necessary post-process technologies for producing metal parts with required accuracy, surface integrity and material properties. Commercially available hybrid AM systems that integrate laser-based AM with post-processing technologies are also reviewed together with their key application areas. Finally, the main challenges and open issues in broadening the industrial use of hybrid AM solutions are discussed.

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Study of the Geometrical Limitations Associated to the Metallic Part Manufacturing by the LMD Process

Cited by 16 publications

References 11 publications

A Review on Additive Manufacturing of Pure Copper

A Review on Additive Manufacturing of Pure Copper

3D printing: Principles and pharmaceutical applications of selective laser sintering

Powder-based laser hybrid additive manufacturing of metals: a review

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