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Manjunath, B. N.
- Review on Design Guidelines for Selective Laser Melting
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Authors
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1 Central Manufacturing Technology Institute( CMTI), Tumkur road, Bengaluru, IN
2 PGD Additive Mfg., College of Engineering Pune, Shivajinagar, Pune, IN
1 Central Manufacturing Technology Institute( CMTI), Tumkur road, Bengaluru, IN
2 PGD Additive Mfg., College of Engineering Pune, Shivajinagar, Pune, IN
Source
Manufacturing Technology Today, Vol 18, No SP 3 (2019), Pagination: 10-18Abstract
Selective laser melting (SLM) is a metal additive manufacturing (AM) process which is used for fabrication of complex geometry parts layer by layer directly from 3D CAD model. SLM gives boundless opportunities to build highly complex shapes which are not possible to achieve by traditional manufacturing process. however, SLM is not totally freeform fabrication as it has inherent process limitations. Design engineers frequently lack an understanding of these process limitations and their impact on the final part. Here comes the need for developing design guidelines for AM processes to help design engineers while designing the part for selective laser melting. This paper reviews general design guidelines that to be considered for building the part through SLM process. Research papers regarding support structure generation, part orientation and topologically optimization are referred. These rules aim to reduce cost, build failures, built time and wastage of material.Keywords
Additive Manufacturing, Selective Laser Melting, Design Guidelines.References
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- Challenges and Research Opportunities in Metal Additive Manufacturing
Abstract Views :260 |
PDF Views:0
Authors
Affiliations
1 Central Manufacturing Technology Institute(CMTI), Tumkur road, Bengaluru, IN
1 Central Manufacturing Technology Institute(CMTI), Tumkur road, Bengaluru, IN
Source
Manufacturing Technology Today, Vol 18, No SP 3 (2019), Pagination: 54-57Abstract
Additive manufacturing has changed the way products are designed, manufactured and distributed to the consumers. It has made possible to create products previously thought too complex. Aerospace, medical, automotive and energy sectors started using additive manufacturing as they realised its potential innovation, financial and efficiency benefits. Despite the progress, there are still challenges that must be addressed, including improving the throughput, Accuracy and repeatability, surface roughness, mechanical properties, establishing standards and protocols, modelling and simulation to reduce the residual stress, certification and reducing the raw material cost. This article gives insights into the present barriers hindering the widespread adoption and research opportunities in metal additive manufacturing.References
- Industry News, Metal AM, vol. 2, no. 4, Winter 2016.
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- Rochus P, Collette J.P, Crahay J, Jochem H, Larnicol M, Magnien J, Masse C, Rigo O, VanhumbeeckJ.F, and Pambaguian L, 2015 “Surface engineering for parts made by additive manufacturing”, conference paper, 66th International Astronautical Congress, Jerusalem, Israel