Low Cost Printer for DLP Stereolithography

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VALENTINČIČ, Joško ;PEROŠA, Matej ;JERMAN, Marko ;SABOTIN, Izidor ;LEBAR, Andrej .
Low Cost Printer for DLP Stereolithography. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 63, n.10, p. 559-566, june 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/>. Date accessed: 29 sep. 2021. 
doi:http://dx.doi.org/10.5545/sv-jme.2017.4591.
Valentinčič, J., Peroša, M., Jerman, M., Sabotin, I., & Lebar, A.
(2017).
Low Cost Printer for DLP Stereolithography.
Strojniški vestnik - Journal of Mechanical Engineering, 63(10), 559-566.
doi:http://dx.doi.org/10.5545/sv-jme.2017.4591
@article{sv-jmesv-jme.2017.4591,
	author = {Joško  Valentinčič and Matej  Peroša and Marko  Jerman and Izidor  Sabotin and Andrej  Lebar},
	title = {Low Cost Printer for DLP Stereolithography},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {63},
	number = {10},
	year = {2017},
	keywords = {DLP stereolithography, software mask, illumination, surface response method},
	abstract = {A general research direction of stereolithography based on digital light processing (DLP) is to reduce the production time and to increase manufacturing accuracy. Compared to fused deposition modelling (FDM) machines, machines for DLP stereolithography are expensive andthus not available to a broad range of users as it is the case with FDM 3D printers. Comparing technologies, DLP stereolithography offers quicker and more accurate production. In this paper, performances of a low cost DLP stereolithographic printer is presented. Three main challenges are treated: an uneven illumination of commercial DLP projectors, a direction of illumination and a selection of optimal 3D printing parameters. Uneven illumination of DLP projector results in smaller usable working area and poor printing quality. The problem is solved by implementing an appropriate software mask, thus the product quality is not influenced by its position on a working table. The direction of illumination has a key role in DLP stereolithography. It is shown that constrained surface (illumination through a transparent bottom of the vat) gives better 3D printing accuracy compared to free surface (illumination of the photopolymer surface) stereolithography. To further improve the product quality, the optimal process parameters are determined. Using the Taguchi based surface response methodology optimal process parameters are defined and by using them, the deviation of the actual dimensions from the specified dimensions is less than 80 μm.},
	issn = {0039-2480},	pages = {559-566},	doi = {10.5545/sv-jme.2017.4591},
	url = {https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/}
}
Valentinčič, J.,Peroša, M.,Jerman, M.,Sabotin, I.,Lebar, A.
2017 June 63. Low Cost Printer for DLP Stereolithography. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 63:10
%A Valentinčič, Joško 
%A Peroša, Matej 
%A Jerman, Marko 
%A Sabotin, Izidor 
%A Lebar, Andrej 
%D 2017
%T Low Cost Printer for DLP Stereolithography
%B 2017
%9 DLP stereolithography, software mask, illumination, surface response method
%! Low Cost Printer for DLP Stereolithography
%K DLP stereolithography, software mask, illumination, surface response method
%X A general research direction of stereolithography based on digital light processing (DLP) is to reduce the production time and to increase manufacturing accuracy. Compared to fused deposition modelling (FDM) machines, machines for DLP stereolithography are expensive andthus not available to a broad range of users as it is the case with FDM 3D printers. Comparing technologies, DLP stereolithography offers quicker and more accurate production. In this paper, performances of a low cost DLP stereolithographic printer is presented. Three main challenges are treated: an uneven illumination of commercial DLP projectors, a direction of illumination and a selection of optimal 3D printing parameters. Uneven illumination of DLP projector results in smaller usable working area and poor printing quality. The problem is solved by implementing an appropriate software mask, thus the product quality is not influenced by its position on a working table. The direction of illumination has a key role in DLP stereolithography. It is shown that constrained surface (illumination through a transparent bottom of the vat) gives better 3D printing accuracy compared to free surface (illumination of the photopolymer surface) stereolithography. To further improve the product quality, the optimal process parameters are determined. Using the Taguchi based surface response methodology optimal process parameters are defined and by using them, the deviation of the actual dimensions from the specified dimensions is less than 80 μm.
%U https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/
%0 Journal Article
%R 10.5545/sv-jme.2017.4591
%& 559
%P 8
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 63
%N 10
%@ 0039-2480
%8 2018-06-27
%7 2018-06-27
Valentinčič, Joško, Matej  Peroša, Marko  Jerman, Izidor  Sabotin, & Andrej  Lebar.
"Low Cost Printer for DLP Stereolithography." Strojniški vestnik - Journal of Mechanical Engineering [Online], 63.10 (2017): 559-566. Web.  29 Sep. 2021
TY  - JOUR
AU  - Valentinčič, Joško 
AU  - Peroša, Matej 
AU  - Jerman, Marko 
AU  - Sabotin, Izidor 
AU  - Lebar, Andrej 
PY  - 2017
TI  - Low Cost Printer for DLP Stereolithography
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4591
KW  - DLP stereolithography, software mask, illumination, surface response method
N2  - A general research direction of stereolithography based on digital light processing (DLP) is to reduce the production time and to increase manufacturing accuracy. Compared to fused deposition modelling (FDM) machines, machines for DLP stereolithography are expensive andthus not available to a broad range of users as it is the case with FDM 3D printers. Comparing technologies, DLP stereolithography offers quicker and more accurate production. In this paper, performances of a low cost DLP stereolithographic printer is presented. Three main challenges are treated: an uneven illumination of commercial DLP projectors, a direction of illumination and a selection of optimal 3D printing parameters. Uneven illumination of DLP projector results in smaller usable working area and poor printing quality. The problem is solved by implementing an appropriate software mask, thus the product quality is not influenced by its position on a working table. The direction of illumination has a key role in DLP stereolithography. It is shown that constrained surface (illumination through a transparent bottom of the vat) gives better 3D printing accuracy compared to free surface (illumination of the photopolymer surface) stereolithography. To further improve the product quality, the optimal process parameters are determined. Using the Taguchi based surface response methodology optimal process parameters are defined and by using them, the deviation of the actual dimensions from the specified dimensions is less than 80 μm.
UR  - https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/
@article{{sv-jme}{sv-jme.2017.4591},
	author = {Valentinčič, J., Peroša, M., Jerman, M., Sabotin, I., Lebar, A.},
	title = {Low Cost Printer for DLP Stereolithography},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {63},
	number = {10},
	year = {2017},
	doi = {10.5545/sv-jme.2017.4591},
	url = {https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/}
}
TY  - JOUR
AU  - Valentinčič, Joško 
AU  - Peroša, Matej 
AU  - Jerman, Marko 
AU  - Sabotin, Izidor 
AU  - Lebar, Andrej 
PY  - 2018/06/27
TI  - Low Cost Printer for DLP Stereolithography
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 63, No 10 (2017): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4591
KW  - DLP stereolithography, software mask, illumination, surface response method
N2  - A general research direction of stereolithography based on digital light processing (DLP) is to reduce the production time and to increase manufacturing accuracy. Compared to fused deposition modelling (FDM) machines, machines for DLP stereolithography are expensive andthus not available to a broad range of users as it is the case with FDM 3D printers. Comparing technologies, DLP stereolithography offers quicker and more accurate production. In this paper, performances of a low cost DLP stereolithographic printer is presented. Three main challenges are treated: an uneven illumination of commercial DLP projectors, a direction of illumination and a selection of optimal 3D printing parameters. Uneven illumination of DLP projector results in smaller usable working area and poor printing quality. The problem is solved by implementing an appropriate software mask, thus the product quality is not influenced by its position on a working table. The direction of illumination has a key role in DLP stereolithography. It is shown that constrained surface (illumination through a transparent bottom of the vat) gives better 3D printing accuracy compared to free surface (illumination of the photopolymer surface) stereolithography. To further improve the product quality, the optimal process parameters are determined. Using the Taguchi based surface response methodology optimal process parameters are defined and by using them, the deviation of the actual dimensions from the specified dimensions is less than 80 μm.
UR  - https://www.sv-jme.eu/sl/article/low-cost-printer-for-dlp-stereolithography/
Valentinčič, Joško, Peroša, Matej, Jerman, Marko, Sabotin, Izidor, AND Lebar, Andrej.
"Low Cost Printer for DLP Stereolithography" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 63 Number 10 (27 June 2018)

Avtorji

Inštitucije

  • University of Ljubljana, Faculty of Mechanical Engineering, Slovenia 1

Informacije o papirju

Strojniški vestnik - Journal of Mechanical Engineering 63(2017)10, 559-566

https://doi.org/10.5545/sv-jme.2017.4591

A general research direction of stereolithography based on digital light processing (DLP) is to reduce the production time and to increase manufacturing accuracy. Compared to fused deposition modelling (FDM) machines, machines for DLP stereolithography are expensive andthus not available to a broad range of users as it is the case with FDM 3D printers. Comparing technologies, DLP stereolithography offers quicker and more accurate production. In this paper, performances of a low cost DLP stereolithographic printer is presented. Three main challenges are treated: an uneven illumination of commercial DLP projectors, a direction of illumination and a selection of optimal 3D printing parameters. Uneven illumination of DLP projector results in smaller usable working area and poor printing quality. The problem is solved by implementing an appropriate software mask, thus the product quality is not influenced by its position on a working table. The direction of illumination has a key role in DLP stereolithography. It is shown that constrained surface (illumination through a transparent bottom of the vat) gives better 3D printing accuracy compared to free surface (illumination of the photopolymer surface) stereolithography. To further improve the product quality, the optimal process parameters are determined. Using the Taguchi based surface response methodology optimal process parameters are defined and by using them, the deviation of the actual dimensions from the specified dimensions is less than 80 μm.

DLP stereolithography, software mask, illumination, surface response method