Easy Cleaning of 3D SLA/DLP Printed Soft Fluidic Actuators with Complex Internal Geometry

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Abstract

With the rise of new applications for soft actuators, more advanced methods of fabrication are being used to obtain the desired complex internal structures. Due to their accuracy, affordability, and ability to create airtight structures, Stereolithography (SLA) and Digital Light Processing (DLP) printing are becoming increasingly common for manufacturing these soft fluidic actuators (SFAs). The manufacturing of SFAs using these printing methods requires various post-processing steps to ensure that the final result exhibits the desired behavior when pressurized. However, the required steps are often poorly documented and mainly focus on cleaning the exterior of an SLA/DLP printed part. In this paper, we provide a methodology to clean the complex internal structures of SLA/DLP printed SFAs. This methodology comes in the form of a peristaltic pump used to cycle the cleaning liquid through the internal geometry of the SFA, and a clear cleaning procedure. We compare our cleaning procedure to the standard procedure, showing the effectiveness of the proposed method.

Original languageEnglish
Title of host publication2023 IEEE International Conference on Soft Robotics, RoboSoft 2023
PublisherInstitute of Electrical and Electronics Engineers
Pages1-6
Number of pages6
ISBN (Electronic)979-8-3503-3222-3
DOIs
Publication statusPublished - 2023
Event2023 IEEE International Conference on Soft Robotics, RoboSoft 2023 - Singapore, Singapore
Duration: 3 Apr 20237 Apr 2023

Conference

Conference2023 IEEE International Conference on Soft Robotics, RoboSoft 2023
Country/TerritorySingapore
CitySingapore
Period3/04/237/04/23

Bibliographical note

Funding Information:
This paper proposes a methodology for the cleaning step of manufacturing macro scale SLA/DLP printed SFAs that comfortably fit on the build plate. We focus on cleaning SLA printed SFAs, but due to the similarities between SLA and DLP printing, the proposed procedure is also applicable to DLP printed parts. The cleaning procedure is supported by an

Funding

This paper proposes a methodology for the cleaning step of manufacturing macro scale SLA/DLP printed SFAs that comfortably fit on the build plate. We focus on cleaning SLA printed SFAs, but due to the similarities between SLA and DLP printing, the proposed procedure is also applicable to DLP printed parts. The cleaning procedure is supported by an

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