Flexible Self Locking Pin-less Joint
-
Upload
zelenia-phelps -
Category
Documents
-
view
43 -
download
2
description
Transcript of Flexible Self Locking Pin-less Joint
![Page 1: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/1.jpg)
Flexible Self Locking Pin-less Joint
Lance Woolley
Ben Henrie
![Page 2: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/2.jpg)
Compliant Chair
![Page 3: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/3.jpg)
Complex Geometry
Original Design Modified Design
![Page 4: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/4.jpg)
Required Information
• Required Information• Compressive stress
upper compliant member
• Tensile stress
lower compliant member
• Required Modeling• Mesh size
• 0.15 – 0.3 cm
• Mesh technique• Mapped
• Free
• Target surface
![Page 5: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/5.jpg)
Simplified Model
• Plane of Symmetry
• 2-D Plane
• Constraints• Horizontal Pin-Slider• Vertical Rollers
• Loads• Fx = 723 N
• Fy = -123 N
![Page 6: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/6.jpg)
Free Mesh for Original Design
Free Mesh at 0.20 Free Mesh at 0.15
![Page 7: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/7.jpg)
Deformed Shape for Original Design
![Page 8: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/8.jpg)
Stress with 0.20 Mesh for Original Design
![Page 9: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/9.jpg)
Stress with 0.15 Mesh for Original Design
![Page 10: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/10.jpg)
Free Mesh for Modified Design
Mesh at 0.15 Mesh at 0.30
![Page 11: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/11.jpg)
Deformed Shape for Modified Design
![Page 12: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/12.jpg)
Stress for Modified Design
![Page 13: Flexible Self Locking Pin-less Joint](https://reader035.fdocuments.in/reader035/viewer/2022062422/56812bd4550346895d903b5f/html5/thumbnails/13.jpg)
Conclusion
• FEA showed were the stresses would be present
• Model was simplified by a factor of eight
• Mesh size plays an important roll in an accurate models
• Both designs need to be modeled non-linearly