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Journal ArticleDOI

Applications of laser assisted metal rapid tooling process to manufacture of molding & forming tools — state of the art

Dong-Gyu Ahn
- 01 Oct 2011 - 
- Vol. 12, Iss: 5, pp 925-938
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TLDR
In this paper, the authors present recent researches related to the application of laser assisted metal rapid tooling process to manufacture molding and forming tools and discuss key technologies of important applications.
Abstract
Recently, researchers related to the development of eco-friendly molding and forming tools have refocused on the laser assisted metal rapid tooling process to cope the global warming and the resource depletions. The advantageous inherent features of the laser assisted metal rapid tooling process, include an additive proves, switchable supply material and material deposition along an arbitrary trajectory, provide the tool designer and manufacturer with a chance to overcome the limitations of the conventional molding and forming tools from viewpoints of the energy consumption, the environmental impact and the material usage. This paper presents recent researches related to the application of laser assisted metal rapid tooling process to manufacture molding and forming tools. In addition, key technologies of important applications are discussed. Finally, the future issues of the laser assisted metal rapid tooling process related to the development of eco-friendly molding and forming tools are described.

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Citations
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Journal ArticleDOI

Differences in microstructure and properties between selective laser melting and traditional manufacturing for fabrication of metal parts: A review

TL;DR: Wang et al. as mentioned in this paper summarized relevant studies on metal material fabrication through selective laser melting (SLM) and compared with characteristics described in other reported studies, microstructure, properties, dimensional accuracy, and application of SLM.
Journal ArticleDOI

Lasers in additive manufacturing: A review

TL;DR: In this article, the authors introduce laser-based additive manufacturing methods and review the types of lasers widely used in 3D printing machines, and discuss the future prospects of laser technologies for additive manufacturing.
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Direct metal additive manufacturing processes and their sustainable applications for green technology: A review

TL;DR: In this paper, a review of the DMAM processes and their sustainable applications for green technology is presented, where the state-of-the-art and important issues related to sustainable applications of DMAM process are discussed.
Journal ArticleDOI

SLM tooling for die casting with conformal cooling channels

TL;DR: In this paper, an experimental study of die-casting dies with conformal cooling fabricated by direct-metal additive techniques is presented, and the main objective is to compare the benefits and limitations of the application to what has been widely discussed in literature in the context of plastics injection molding.
Journal ArticleDOI

Numerical and experimental evaluation of a conformally cooled H13 steel injection mould manufactured with selective laser melting

TL;DR: In this paper, the performance of injection molding (IM) tools with conformal cooling channels has been evaluated using numerical modeling software originally developed for conventionally cooled mould designs, with a focus on material properties of tool steels.
References
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Journal ArticleDOI

Consolidation phenomena in laser and powder-bed based layered manufacturing

TL;DR: In this article, the authors describe which types of laser-induced consolidation can be applied to what type of material, and demonstrate that although SLS/SLM can process polymers, metals, ceramics and composites, quite some limitations and problems cause the palette of applicable materials still to be limited.
Journal ArticleDOI

Rapid manufacturing and rapid tooling with layer manufacturing (lm) technologies, state of the art and future perspectives

TL;DR: In this article, a systematic material dependent classification of layer manufacturing and process oriented metal part manufacturing techniques are proposed, mainly for metallic parts, polymer parts and tooling, and the generic and the major specific process characteristics and materials are described.
Journal ArticleDOI

Sustainability Science and Engineering: The Emergence of a New Metadiscipline

TL;DR: It is clear that a focus on green engineering that employs pollution prevention and industrial ecology alone are not sufficient to achieve sustainability, because even systems with efficient material and energy use can overwhelm the carrying capacity of a region or lead to other socially unacceptable outcomes.
Journal ArticleDOI

Closed loop direct metal deposition : art to part

TL;DR: The methodology used to produce a designed macro- and microstructure is described and the state of the art for closed loop DMD is reviewed.
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