With a view to enabling additive manufacturing (AM) processes, today, open-source, low-cost 3D printers are systems with great potential. However there is a significant lack of scientific data on the performance of open-source 3D systems and on the selection of adequate process parameters that can help to improve the quality of the parts. The purpose of this paper is to assess the effects of the main process parameters on the dimensional accuracy of a specific open-source 3D printer, the RepRap Prusa-Mendel I2. This study consisted of a benchmarking part, involving elementary shapes representing a series of different features. By means of a full factorial DoE (Design of Experiments), with three factors (layer thickness, deposition speed, and flow rate), three levels, and three replications, 81 parts were obtained. Subsequently, a laser scanner (D700 Laser Scanner—3Shape, Denmark) was used as high resolution reverse engineering system in order to evaluate the variation between real parts and nominal geometry. The impact of the main process parameters was evaluated and optimal combinations were analyzed. On the basis of the results obtained in the experiments, practical suggestions for the settings of common process parameters were formulated. Test results serve to improve the quality of AM parts through the most appropriate selection of the main process parameters.
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February 2015
Research-Article
Understanding Process Parameter Effects of RepRap Open-Source Three-Dimensional Printers Through a Design of Experiments Approach
Antonio Lanzotti,
Antonio Lanzotti
Fraunhofer JL IDEAS,
Department of Industrial Engineering,
e-mail: antonio.lanzotti@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: antonio.lanzotti@unina.it
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Massimo Martorelli,
Massimo Martorelli
1
Fraunhofer JL IDEAS-CREAMI,
Department of Industrial Engineering,
e-mail: massimo.martorelli@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: massimo.martorelli@unina.it
1Corresponding author.
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Gabriele Staiano
Gabriele Staiano
Fraunhofer JL IDEAS-CREAMI,
Department of Industrial Engineering,
e-mail: gabriele.staiano@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: gabriele.staiano@unina.it
Search for other works by this author on:
Antonio Lanzotti
Fraunhofer JL IDEAS,
Department of Industrial Engineering,
e-mail: antonio.lanzotti@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: antonio.lanzotti@unina.it
Massimo Martorelli
Fraunhofer JL IDEAS-CREAMI,
Department of Industrial Engineering,
e-mail: massimo.martorelli@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: massimo.martorelli@unina.it
Gabriele Staiano
Fraunhofer JL IDEAS-CREAMI,
Department of Industrial Engineering,
e-mail: gabriele.staiano@unina.it
Department of Industrial Engineering,
University of Naples Federico II
,P.leTecchio, 80
,Naples 80125
, Italy
e-mail: gabriele.staiano@unina.it
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received April 15, 2014; final manuscript received November 4, 2014; published online November 26, 2014. Assoc. Editor: Joseph Beaman.
J. Manuf. Sci. Eng. Feb 2015, 137(1): 011017 (7 pages)
Published Online: February 1, 2015
Article history
Received:
April 15, 2014
Revision Received:
November 4, 2014
Online:
November 26, 2014
Citation
Lanzotti, A., Martorelli, M., and Staiano, G. (February 1, 2015). "Understanding Process Parameter Effects of RepRap Open-Source Three-Dimensional Printers Through a Design of Experiments Approach." ASME. J. Manuf. Sci. Eng. February 2015; 137(1): 011017. https://doi.org/10.1115/1.4029045
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