Manufacturing automation system of freeform concrete formwork using S-LOM method

Joonhyeok Sim; Hakmin Kim; Kyunwoo Park; Chanwoo Kim; Daehie Hong

doi:10.7736/JKSPE.019.125

Manufacturing automation system of freeform concrete formwork using S-LOM method

Joonhyeok Sim, Hakmin Kim, Kyunwoo Park, Chanwoo Kim, Daehie Hong

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The number of freeform buildings has been continuously increasing, serving as a landmark representing a country or a city. However, most of the freeform buildings have been built with conventional construction methods and required a tremendous amount of construction cost. This study seeks to apply additive manufacturing technologies to the freeform concrete formwork. Among many additive manufacturing techniques, the study focuses on the Laminated Object Manufacturing (LOM) method because of its advantages on building speed and cost. Also, the LOM technique is modified by using sloped angle at the side surface of the laminated layer (called Sloped-LOM or S-LOM), which yields great increase in the accuracy. We built a new FreeForm Formwork 3D Printer (named F3D printer) using the new approach. The F3D printer consists of a 5-axis laser cutting device for sloped cutting of EPS (Expanded Poly-Styrene) sheets with high speed, an auto pallet changer for EPS feeding, and a palletizer for EPS loading. This paper introduces the S-LOM method and the F3D printer, and the comparisons of the outputs from the conventional method and S-LOM method through actual formwork production.

Original language	English
Pages (from-to)	43-50
Number of pages	8
Journal	Journal of the Korean Society for Precision Engineering
Volume	37
Issue number	1
DOIs	https://doi.org/10.7736/JKSPE.019.125
Publication status	Published - 2020 Jan

Bibliographical note

Publisher Copyright:
© The Korean Society for Precision Engineering This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords

3D printing
Additive manufacturing
Freeform concrete formwork
Manufacturing automation
Rapid prototyping

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Mechanical Engineering
Industrial and Manufacturing Engineering

Access to Document

10.7736/JKSPE.019.125

Cite this

@article{e8f7c83913e64bc5bf968de6d32c660c,

title = "Manufacturing automation system of freeform concrete formwork using S-LOM method",

abstract = "The number of freeform buildings has been continuously increasing, serving as a landmark representing a country or a city. However, most of the freeform buildings have been built with conventional construction methods and required a tremendous amount of construction cost. This study seeks to apply additive manufacturing technologies to the freeform concrete formwork. Among many additive manufacturing techniques, the study focuses on the Laminated Object Manufacturing (LOM) method because of its advantages on building speed and cost. Also, the LOM technique is modified by using sloped angle at the side surface of the laminated layer (called Sloped-LOM or S-LOM), which yields great increase in the accuracy. We built a new FreeForm Formwork 3D Printer (named F3D printer) using the new approach. The F3D printer consists of a 5-axis laser cutting device for sloped cutting of EPS (Expanded Poly-Styrene) sheets with high speed, an auto pallet changer for EPS feeding, and a palletizer for EPS loading. This paper introduces the S-LOM method and the F3D printer, and the comparisons of the outputs from the conventional method and S-LOM method through actual formwork production.",

keywords = "3D printing, Additive manufacturing, Freeform concrete formwork, Manufacturing automation, Rapid prototyping",

author = "Joonhyeok Sim and Hakmin Kim and Kyunwoo Park and Chanwoo Kim and Daehie Hong",

note = "Publisher Copyright: {\textcopyright} The Korean Society for Precision Engineering This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.",

year = "2020",

month = jan,

doi = "10.7736/JKSPE.019.125",

language = "English",

volume = "37",

pages = "43--50",

journal = "Journal of the Korean Society for Precision Engineering",

issn = "1225-9071",

publisher = "Korean Society for Precision Engineeing",

number = "1",

}

TY - JOUR

T1 - Manufacturing automation system of freeform concrete formwork using S-LOM method

AU - Sim, Joonhyeok

AU - Kim, Hakmin

AU - Park, Kyunwoo

AU - Kim, Chanwoo

AU - Hong, Daehie

N1 - Publisher Copyright: © The Korean Society for Precision Engineering This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

PY - 2020/1

Y1 - 2020/1

N2 - The number of freeform buildings has been continuously increasing, serving as a landmark representing a country or a city. However, most of the freeform buildings have been built with conventional construction methods and required a tremendous amount of construction cost. This study seeks to apply additive manufacturing technologies to the freeform concrete formwork. Among many additive manufacturing techniques, the study focuses on the Laminated Object Manufacturing (LOM) method because of its advantages on building speed and cost. Also, the LOM technique is modified by using sloped angle at the side surface of the laminated layer (called Sloped-LOM or S-LOM), which yields great increase in the accuracy. We built a new FreeForm Formwork 3D Printer (named F3D printer) using the new approach. The F3D printer consists of a 5-axis laser cutting device for sloped cutting of EPS (Expanded Poly-Styrene) sheets with high speed, an auto pallet changer for EPS feeding, and a palletizer for EPS loading. This paper introduces the S-LOM method and the F3D printer, and the comparisons of the outputs from the conventional method and S-LOM method through actual formwork production.

AB - The number of freeform buildings has been continuously increasing, serving as a landmark representing a country or a city. However, most of the freeform buildings have been built with conventional construction methods and required a tremendous amount of construction cost. This study seeks to apply additive manufacturing technologies to the freeform concrete formwork. Among many additive manufacturing techniques, the study focuses on the Laminated Object Manufacturing (LOM) method because of its advantages on building speed and cost. Also, the LOM technique is modified by using sloped angle at the side surface of the laminated layer (called Sloped-LOM or S-LOM), which yields great increase in the accuracy. We built a new FreeForm Formwork 3D Printer (named F3D printer) using the new approach. The F3D printer consists of a 5-axis laser cutting device for sloped cutting of EPS (Expanded Poly-Styrene) sheets with high speed, an auto pallet changer for EPS feeding, and a palletizer for EPS loading. This paper introduces the S-LOM method and the F3D printer, and the comparisons of the outputs from the conventional method and S-LOM method through actual formwork production.

KW - 3D printing

KW - Additive manufacturing

KW - Freeform concrete formwork

KW - Manufacturing automation

KW - Rapid prototyping

UR - http://www.scopus.com/inward/record.url?scp=85088212729&partnerID=8YFLogxK

U2 - 10.7736/JKSPE.019.125

DO - 10.7736/JKSPE.019.125

M3 - Article

AN - SCOPUS:85088212729

SN - 1225-9071

VL - 37

SP - 43

EP - 50

JO - Journal of the Korean Society for Precision Engineering

JF - Journal of the Korean Society for Precision Engineering

IS - 1

ER -

Manufacturing automation system of freeform concrete formwork using S-LOM method

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this