research-article

Support slimming for single material based additive manufacturing

Computer-Aided Design, Volume 65, Issue C

Pages 1 - 10

https://doi.org/10.1016/j.cad.2015.03.001

Published: 01 August 2015 Publication History

Abstract

In layer-based additive manufacturing (AM), supporting structures need to be inserted to support the overhanging regions. The adding of supporting structures slows down the speed of fabrication and introduces artifacts onto the finished surface. We present an orientation-driven shape optimizer to slim down the supporting structures used in single material-based AM. The optimizer can be employed as a tool to help designers to optimize the original model to achieve a more self-supported shape, which can be used as a reference for their further design. The model to be optimized is first enclosed in a volumetric mesh, which is employed as the domain of computation. The optimizer is driven by the operations of reorientation taken on tetrahedra with 'facing-down' surface facets. We formulate the demand on minimizing shape variation as global rigidity energy. The local optimization problem for determining a minimal rotation is analyzed on the Gauss sphere, which leads to a closed-form solution. Moreover, we also extend our approach to create the functions of controlling the deformation and searching for optimal printing directions. Display Omitted Optimize the shape of a designed model into a 'self-supported' state for AM.Global shape of a model is preserved by minimizing the energy of rigidity.A closed-form solution for minimal rotation to drive the optimization.Tackle the shape optimization problem for reducing supporting structures.

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Cited By

Liu TZhang TChen YHuang YWang C(2024)Neural Slicer for Multi-Axis 3D PrintingACM Transactions on Graphics10.1145/365821243:4(1-15)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658212
Zheng NZhai XJiang JChen F(2024)Topology Optimization of Self-supporting Structures for Additive Manufacturing via Implicit B-spline RepresentationsComputer-Aided Design10.1016/j.cad.2024.103745175:COnline publication date: 1-Oct-2024
https://dl.acm.org/doi/10.1016/j.cad.2024.103745
Sharma SSingla EKant R(2023)Robotic Path Planning for direct slicing method to Minimize Support Structure in Fused Filament Fabrication ProcessProceedings of the 2023 6th International Conference on Advances in Robotics10.1145/3610419.3610428(1-7)Online publication date: 5-Jul-2023
https://dl.acm.org/doi/10.1145/3610419.3610428
Show More Cited By

Support slimming for single material based additive manufacturing
1. Computing methodologies
  1. Computer graphics

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Published In

cover image Computer-Aided Design

Computer-Aided Design Volume 65, Issue C

August 2015

53 pages

ISSN:0010-4485

Issue’s Table of Contents

Copyright © Elsevier Ltd.

Publisher

Butterworth-Heinemann

United States

Publication History

Published: 01 August 2015

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Cited By

Liu TZhang TChen YHuang YWang C(2024)Neural Slicer for Multi-Axis 3D PrintingACM Transactions on Graphics10.1145/365821243:4(1-15)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658212
Zheng NZhai XJiang JChen F(2024)Topology Optimization of Self-supporting Structures for Additive Manufacturing via Implicit B-spline RepresentationsComputer-Aided Design10.1016/j.cad.2024.103745175:COnline publication date: 1-Oct-2024
https://dl.acm.org/doi/10.1016/j.cad.2024.103745
Sharma SSingla EKant R(2023)Robotic Path Planning for direct slicing method to Minimize Support Structure in Fused Filament Fabrication ProcessProceedings of the 2023 6th International Conference on Advances in Robotics10.1145/3610419.3610428(1-7)Online publication date: 5-Jul-2023
https://dl.acm.org/doi/10.1145/3610419.3610428
Jabón JCorbera SBarea RMartín-Rabadán J(2023)An Evolutive-Deformation approach to enhance self-supporting areas in Additive Manufacturing designsComputers and Industrial Engineering10.1016/j.cie.2023.109386182:COnline publication date: 1-Aug-2023
https://dl.acm.org/doi/10.1016/j.cie.2023.109386
Zhang TFang GHuang YDutta NLefebvre SKilic ZWang C(2022)S3-SlicerACM Transactions on Graphics10.1145/3550454.355551641:6(1-15)Online publication date: 30-Nov-2022
https://dl.acm.org/doi/10.1145/3550454.3555516
Zhao DGu TLiu YGao SLi M(2022)Constructing self-supporting structures in biscale topology optimizationThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-021-02068-838:3(1065-1082)Online publication date: 1-Mar-2022
https://dl.acm.org/doi/10.1007/s00371-021-02068-8
Allaire GBihr MBogosel B(2020)Support optimization in additive manufacturing for geometric and thermo-mechanical constraintsStructural and Multidisciplinary Optimization10.1007/s00158-020-02551-161:6(2377-2399)Online publication date: 1-Jun-2020
https://dl.acm.org/doi/10.1007/s00158-020-02551-1
Yu MYe ZLiu YHe YWang C(2019)LineUpACM Transactions on Graphics10.1145/326997938:1(1-16)Online publication date: 19-Jan-2019
https://dl.acm.org/doi/10.1145/3269979
Zhang KCheng GXu L(2019)Topology optimization considering overhang constraint in additive manufacturingComputers and Structures10.1016/j.compstruc.2018.10.011212:C(86-100)Online publication date: 1-Feb-2019
https://dl.acm.org/doi/10.1016/j.compstruc.2018.10.011
Stein OJacobson AGrinspun E(2019)Interactive design of castable shapes using two-piece rigid moldsComputers and Graphics10.1016/j.cag.2019.03.00180:C(51-62)Online publication date: 1-May-2019
https://dl.acm.org/doi/10.1016/j.cag.2019.03.001
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