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http://dx.doi.org/10.7736/KSPE.2017.34.4.243

End Effectors and Flexible Fixtures for Rapidly Holding Freeform-Surface CFRP Workpieces  

Son, Younghoon (School of Mechanical Engineering, Chung-Ang University)
Do, Minh Duc (School of Mechanical Engineering, Chung-Ang University)
Choi, Hae-Jin (School of Mechanical Engineering, Chung-Ang University)
Publication Information
Journal of the Korean Society for Precision Engineering / v.34, no.4, 2017 , pp. 243-246 More about this Journal
Abstract
In this study, flexible fixtures and end effectors are conceptually designed for the holding of thin-walled carbon-fiber reinforced-plastic (CFRP) workpieces in machining processes. Firstly, the fixture scenarios and system requirements for the conceptual designs of flexible-fixture and core units are proposed, including the propounding of the workpiece-holding mechanism and the core-unit requirements. A ball-joint pneumatic system is determined as a locking mechanism of the flexible-fixture system for the machining of thin-walled components. Secondly, conceptual designs of the core units are suggested with the driven requirements from the fixture scenarios. A self-tilting mechanism and an end-effector return mechanism are also proposed. Finally, the prototypes of the core units are manufactured, and the workpiece-holding capacity of each prototype is measured.
Keywords
Carbon fiber reinforced plastics; Flexible fixture; End effector; Self-return mechanism;
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