Optimal design of toggle-linkage mechanism for clamping applications
- Authors
- Park, Sumin; Bae, Jangho; Jeon, Youngjae; Chu, Kyungsung; Bak, Jeongae; Seo, TaeWon; Kim, Jongwon
- Issue Date
- Feb-2018
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Toggle linkage; Clamping device; Six-bar mechanism; Design optimization; Kinematics
- Citation
- MECHANISM AND MACHINE THEORY, v.120, pp.203 - 212
- Indexed
- SCIE
SCOPUS
- Journal Title
- MECHANISM AND MACHINE THEORY
- Volume
- 120
- Start Page
- 203
- End Page
- 212
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2724
- DOI
- 10.1016/j.mechmachtheory.2017.08.013
- ISSN
- 0094-114X
- Abstract
- Finger clamp units (FCU) are widely used in industries to clamp flat-shape materials such as steel plates by using a toggle-linkage mechanism. Generally, in toggle-linkage mechanisms, a near singular configuration is used to obtain a high clamping force. Because the high force characteristics in a singular configuration change dramatically for a near singular workspace, the thickness of the plate is limited for a specific toggle-linkage mechanism. In this study, the design of a FCU is optimized such that a single FCU is used for plates with different thicknesses. First, various linkage alternatives are investigated to determine the mechanism that is more useful for a toggle linkage. Second, the design is optimized to ensure a high clamping force in a pre-defined range of plate thickness. Verification experiments are performed based on the simulation results. We expect that the proposed toggle-linkage mechanism can be used for various clamping applications.
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