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Final Integrated System - Automated Force Feedback

3-axis LUNYEE 3018 Pro MAX CNC router with a 3rd-party modifed z-axis module
Following similar principles to the risk reduction, load cells on z-stage read spring force which is fed into an Arduino Uno PID controller
Movement operations controlled via Python GUI script

Force Feedback Attachment - Design Iteration

This shows the design evolution of the system used to apply and measure forces on the sample
Final attachment connects to the modified z-axis upgrade kit for the LUNYEE 3018 Pro MAX CNC router

Workholding - Design Iteration

This shows the design evolution of the workholding system, used to repeatably retain sample.
Final design features a vice tightening mechanism from a screw hole, an indentation in the retaining space to prevent overconstraints, and countersink screw holes for a clean surface.

Risk Reduction - Force Application

Tested the reliable application of force through the use of a micrometer stage to control spring extension
As the stage travels down towards the sample, weight is transferred from the springs to the sample, allowing precise control of force through vertical position

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