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For this project, the client was having trouble getting other shops to manufacture this stent. They continuously received products that had some integral feature comprised, i.e slot depth or edge straightness. Along with this, there could be no microscopic burrs,
as this was to be precisely inserted into a patients body. This project required designing a fixture that could properly hold these parts as well as CAMing and machining the fixture, and then the parts in 5-Axis. This was especially difficult due to their size, as each part was only 0.065 inches in diameter.
Finally I had to go through multiple deburring shops, using various methods such as electropolishing and bead blasting. This wa sthe only way to determine which method would remove the burrs adequately.
Finally I had to go through multiple deburring shops, using various methods such as electropolishing and bead blasting. This wa sthe only way to determine which method would remove the burrs adequately.
CAM of parts in machine
Stent Front under microscope
Stent Rear under microscope
Stent Front before debur
Debur Shop Spreadsheet
Stent CAD Front Face