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Development of Domestic Equipment for Laser Additive Technologies by Melting Metallic Powders

  • METALLURGICAL AND ELECTROTHERMAL EQUIPMENT
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Russian Metallurgy (Metally) Aims and scope

Abstract

The modern domestic installations used for the additive laser technologies based on layer-by-layer melting of metal powders are considered. An installation was developed and manufactured for the selective melting of metal powders by laser radiation scanned along a given contour. The installation is equipped with an automatic control system and makes it possible to grow 110 × 110 × 110 mm parts with an accuracy of 20 μm and a growth rate up to 10 cm3/h. A KLP-400 installation was created for growing large-sized parts. The principle of operation of the installation is based on layer-by-layer laser facing with metal powders supplied coaxially with laser radiation. The installation can be used to produce parts 400 × 400 × 400 mm in size and about 500 kg in weight. The accuracy of the manufactured parts is 0.1–0.5 mm.

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Funding

This work was supported by the Ministry of Education and Science of the Russian Federation, project no. 95051.2017/8.9.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, 105005, Moscow, Russia

    A. G. Grigor’yants & I. N. Shiganov

Authors
  1. A. G. Grigor’yants
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  2. I. N. Shiganov
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Correspondence to A. G. Grigor’yants.

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Translated by K. Shakhlevich

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Grigor’yants, A.G., Shiganov, I.N. Development of Domestic Equipment for Laser Additive Technologies by Melting Metallic Powders. Russ. Metall. 2020, 649–653 (2020). https://doi.org/10.1134/S0036029520060099

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  • DOI: https://doi.org/10.1134/S0036029520060099

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