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Direct Energy Deposition in Simufact Welding (Part 3)

$20.00

Description

This video will teach you the basic usage of the Simufact.welding direct energy deposition processes.

DED is a group of AM processes that adds material alongside the heat input simultaneously. The heat input can either be a laser, electron beam, or plasma arc. The material feedstock is either metal powder or wire. Powders result in lower deposition efficiency compared with metal wires as only a part of the total powder would be melted and bonded to the substrate (Lee, 2008). Like the E-PBF, electron beam systems in DED require vacuum and would not have high oxidation issues and laser system and, on the other hand, require other methods to introduce inert gases. Powder DED machines often have inert gas blown together with the powder from the nozzles, thereby sheathing the melted region, reducing the oxidization rate (Gokuldoss et al., 2017). Powder DED systems can use single or multiple nozzles to eject the metal powders (Mazzucato et al., 2017). Using multiple nozzles allows the possibility of mixing different materials to get functionally graded materials (FGM) (Liu and DuPont, 2003; Li et al., 2017).

DED systems can differ from PBF systems as powders used are often larger in size and require higher energy density (Yusuf and Gao, 2017; Lewandowski and Seifi, 2016). This results in faster build rates as compared with PBF system. However, this leads to poorer surface quality that may require additional machining. Support structures commonly used in PBF systems is seldom or never used in DED that often uses multiple axis turntables to rotate the build platform to achieve the varying features. Without the need for a powder bed, DED systems can do repair or printing on existing parts.

Also, other free and related tutorials are provided in the following links:

Direct Energy Deposition in Simufact Welding (Part 2)

The video is short which is less than 10 minutes so you can quickly learn the basic parts of the software. In this video, we avoid giving too many details.

For more information please send me an Email:

aminganjabi@hyperlyceum.com

 

Brand

HLyceum

Easy learning
Hyperlyceum.com

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