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Origami-Based Flexible Robotic Grippers via Hard-Soft Coupled Multimaterial 3D Printing
Wenbo Xue1, Liuchao Jin1,2, Bingcong Jian1,3
1Shenzhen Key Laboratory for Additive Manufacturing of High-Performance Materials, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, China.
Soft Robotics
|March 11, 2025
Summary
This study presents 3D-printed origami robotic grippers, optimizing design parameters for enhanced kinematic and mechanical performance. The research demonstrates how multimaterial 3D printing enables flexible and efficient robotic applications.
Area of Science:
- Robotics
- Materials Science
- Mechanical Engineering
Background:
- Origami-inspired robots offer unique folding capabilities for complex tasks.
- Multimaterial 3D printing enables sophisticated fabrication of integrated robotic components.
- Optimizing design parameters is crucial for robotic gripper functionality.
Purpose of the Study:
- To investigate the design and performance of origami robotic grippers fabricated using hard-soft coupled multimaterial 3D printing.
- To evaluate the influence of design parameters on the kinematic behavior and mechanical functionality of these grippers.
- To establish a relationship between geometric design and mechanical response for optimized gripper performance.
Main Methods:
- Fabrication of origami robotic grippers using hard-soft coupled multimaterial 3D printing.
- Application of a kinematic model to characterize reachable workspace and motion capabilities.
- Experimental evaluation of mechanical properties, including bending angle, force-displacement, and stiffness.
Main Results:
- Geometric design parameters significantly impact the origami gripper's kinematic performance and workspace.
- Soft hinge thickness and crease design directly influence the gripper's mechanical properties and response.
- Experimental data confirms the interplay between bending angle, force-displacement characteristics, and stiffness.
Conclusions:
- Multimaterial 3D printing is a viable technique for creating advanced origami robotic grippers.
- Optimized geometric and material design leads to improved robotic gripper flexibility and efficiency.
- This research advances the development of adaptive and high-performance robotic applications.

