Four-bar linkage-based automatic tool changer: Dynamic modeling and torque optimization
- Authors
- Lee, Sangho; Kim, Jong-Won; Kim, Jongwon; Seo, TaeWon
- Issue Date
- May-2017
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Automatic tool changer (ATC); Peak torque reduction mechanism (PTRM); Torsion spring; Dynamic modeling; Peak torque; Optimization
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.31, no.5, pp.2407 - 2413
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 31
- Number
- 5
- Start Page
- 2407
- End Page
- 2413
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/3207
- DOI
- 10.1007/s12206-017-0438-0
- ISSN
- 1738-494X
- Abstract
- An Automatic tool changer (ATC) is a device used in a tapping machine to reduce process time. This paper presents the optimization of a Peak torque reduction mechanism (PTRM) for an ATC. It is necessary to reduce the fatigue load and energy consumed, which is related to the peak torque. The PTRM uses a torsion spring to reduce the peak torque and was applied to a novel ATC mechanism, which was modeled using inverse dynamics. Optimization of the PTRM is required to minimize the peak torque. The design parameters are the initial angle and stiffness of the torsion spring, and the objective function is the peak torque of the input link. The torque was simulated, and the peak torque was decreased by 10 %. The energy consumed was reduced by the optimization.
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