Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer

Jacek Pacana; Rafał Oliwa

doi:10.14314/polimery.2019.1.7

Published : 2021-01-12

Vol. 64 No. 1 (2019)

Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer

Jacek Pacana Rafał Oliwa

DOI: https://doi.org/10.14314/polimery.2019.1.7

Abstract

In the study, measurements of 3D deformations of the flexspline in harmonic drive were performed by applying a digital image correlation (DIC) method. The tests were carried out with the use of physical 3D printed models made of ABS copolymer (acrylonitrile-butadiene-styrene), which ensured sufficient capacity andrigidity of the structures. The findings related to deformations in flexspline, obtained through bench testing, were compared to the results of calculations conducted using the finite element method (FEM). Significant convergence in the findings obtained using the two methods was shown, yet deformations measured in the real-life model were characterized by greater irregularity compared to the corresponding solutions obtained with the numerical method. The results obtained through optical measurement confirm that physical models made of plastics, built using rapid prototyping technology, can justifiably be appliedin bench testing of prototype gear transmissions.

Keywords

zębata przekładnia falowa ; Aramis 3D ; optyczne pomiary deformacji ; MES ; koło podatne ; ABS ; drukowanie 3D harmonic drive ; Aramis 3D ; optical deformation measurement ; FEM ; flexspline ; ABS ; 3D printing

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Pacana, J., & Oliwa, R. (2021). Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer. Polimery, 64(1), 56–62. https://doi.org/10.14314/polimery.2019.1.7

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Jacek Pacana pacanaj@prz.edu.pl

Affiliation
Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics, Department of Mechanical Engineering, Al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland

Rafał Oliwa

Affiliation
Rzeszów University of Technology, Faculty of Chemistry, Department of Polymer Composites, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland