FEA-based optimization and experimental verification of a typical flexure-based constant force module

2021 ◽  
pp. 113083
Author(s):  
Bingxiao Ding ◽  
Xuan Li ◽  
Yangmin Li
Keyword(s):  
Experimental Verification ◽  
Constant Force

Design and Experimental Verification of Pseudoelastic-Based Constant-Force Springs

2003 ◽  
Vol 14 (8) ◽  
pp. 475-481 ◽  
Author(s):  
Parviz Soroushian ◽  
Habibur Chowdhury ◽  
Ali Nossoni
Keyword(s):  
Experimental Verification ◽  
Constant Force

The study for constant force characteristic of C-shaped superelastic SMA

2020 ◽  
Vol 64 (1-4) ◽  
pp. 1253-1259
Author(s):  
Minghui Wang ◽  
Hongliu Yu
Keyword(s):  
Shape Memory Alloys ◽  
Shape Memory ◽  
Medical Device ◽  
Soft Tissues ◽  
Computational Simulation ◽  
Force Characteristic ◽  
Constant Force ◽  
Curve Shape ◽  
Artificial Sphincter ◽  
Round Bar

Clamping devices with constant force or pressure are desired in medical device, such as hemostatic forceps and the artificial sphincter, to prevent soft tissues from injures due to overloading. It is easily obtained by stretching an SMA wire. However, studies with SMA bending round bar have seldom been reported before. This paper studied constant force characteristic of C-shaped round bar with shape memory alloys. Optimization designs of the components were carried out with computational simulation. Numerical results show that the phenomenon of constant force strongly depends on contour curve shape and geometric dimensions of the C-shaped round bar of SMA component.

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