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Our Senior Design Project relied heavily on the manufacturing of a reliable testing mechanism that could as closely as possible mimic the mechanical deformations found within walls of the right ventricle. The main components of our testing mechanism involved 3D printed parts and a servo motor.
3D Printed components that were attached to the servo motor. These include a base plate, a rail arm, and a gear.
Initial Designs
Initially 3D printed components needed to be designed to the specifications of the servo motor in order to deform the PZT material. A base plate, rail arm, and a corresponding gear were designed using AutoCAD and were later 3D printed at the Envision Studio of UCSD.
Parts were then glued onto the servo motor, shown to the right. Note that the rail arm was not included in the image but the basic layout of the testing mechanism is displayed.
Shown to the left is the full bench-top test working to gradually deform the piezoelectric material, lead zirconate titanate (PZT). The PZT is the "beige" colored strip of material next to the rail arm.
Shown to the right is the complete layout used to record all data collected. Our layout consisted of an Arduino, Oscilloscope, our bench-top test, and an analog/digital trainer.
Edited by Emmanuel Bautista
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