Experimental and analytical effect of nuzzle diameter on screw torque and operating pressure in pellet 3D printing

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Salehi M.M.; Movahhedy M.R.

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Journal Paper

Paper Information

Journal: Modares Mechanical Engineering Year:2023 | Volume:23 | Issue:4 Page(s): 265-273

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Information Journal Paper

Title

Experimental and analytical effect of nuzzle diameter on screw torque and operating pressure in pellet 3D printing

Author(s)

Salehi M.M. | Movahhedy M.R. | Issue Writer Certificate

Keywords

3D Printing

Pellet

Extruder

Torque

Operating Pressure

Experimental Tests

Abstract

Nowadays using 3D Printing for prototyping is well known in industrial applications and there are efforts to make functional parts with this technology to reach low volume production markets. By using Pellets rather than filaments, the limitations caused by lack of variety of materials can be conquered. Also there will be no need to make a massive part as several divided parts and then glue them together. In this article Pellets of ABS, that are well known and functional in industry, are analysed for an Extruder to investigate the ability of Pellet material extruding. Characteristic specifications of Extruder such as Operating Pressure, screw rotational speed and required Torque for rotating the screw are achieved for they are important factors to find out the mechanism for Experimental Tests and selecting suitable operating parts such as motor and gearbox. At the end, the Experimental Tests on designed system are done and the result approved the trends of theoretical data.

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