The intial CAD for this project was borrowed fromĀ
Figure 1: Initial CAD Borrowed from Research Paper and Altered
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Figure 5: Prototype No. 3 - Updated prototype with simpler linkage design, higher ROM
This prototype had several benefits over the previous one. First, it was better toleranced and assembled more easily since we standardized all the bolt sizes to M3. Secondly, it had a greater range of motion due to the lack of a bolt going across the middle connecting Link 2 to Link 4, which was previously hitting the mechanism and stopping it. Finally, it was overall simpler to manufacture and assembly. Going forward, this is the basic design we will be using for ourĀ
Table 2: Projected Bill of Materials for Final Project