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Open Source metal 3D printer

From OHO - search engine for sustainable open hardware projects

Project data

TUB.117.1.jpgTUB.117.2.pngTUB.117.3.jpg

Open Source metal 3D printer

Category: 3D printer

URL (first publication): http://www.appropedia.org/Open-source_metal_3-D_printer

Keywords: 3D printer

License: CC BY-SA 3.0

Project status: Active

Maturity of the project: production / DIY

Assembly instructions are published: Yes

Bill of materials is published: Yes

Contributing guide is published: No

Contains original mechanical hardware: Yes

CAD Format:

License for mechanical hardware: CC BY-SA 3.0






Assembly instructions are editable: Yes

Bill of materials is editable: Yes






no

Design files are in original format: No

yes yes



Free redistribution is allowed licence: Yes



Open-o-meter: 6

Product category: Hardware


Description

Technical progress in the open-source self replicating rapid prototyper ((http://www.appropedia.org/RepRap RepRap)) community has enabled a distributed form of additive manufacturing to expand rapidly using polymer-based materials. However, the lack of an open-source metal alternative and the high capital costs and slow throughput of proprietary commercialized metal 3-D printers has severely restricted their deployment. The applications of commercialized metal 3-D printers are limited to only rapid prototyping and expensive finished products. This severely restricts the access of the technology for small and medium enterprises, the developing world and for use in laboratories. This paper reports on the development of a <$2000 open-source metal 3-D printer. The metal 3-D printer is controlled with an open-source micro-controller and is a combination of a low-cost commercial gas-metal MIG welder and a derivative of the Rostock, a deltabot RepRap. The bill of materials, electrical and mechanical design schematics, and basic construction and operating procedures are provided. A preliminary technical analysis of the properties of the 3-D printer and the resultant steel products are performed. The results of printing customized functional metal parts are discussed and conclusions are drawn about the potential for the technology and the future work necessary for the mass distribution of this technology.


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