Crossbow #2

Overview The final design was printed entirely on the Stratasys machine (Figure 1). This is because the home user printers had far too poor of a resolution to generate the mechanical and surface quality which …

Bow Optimization Choices We were surprised by how flexible the first version of the bow was. It was designed with some flexibility in mind, but we felt that this version was able to deflect much …

Print Prototype and Evaluate Assembly Summary Multiple components of the crossbow were handed off to the TA so that they could be printed on the Stratasys. These included the Main Body, Bow, and the Crank …

  Optimization for support structures Crossbow Body The body of the crossbow will be printed on it’s side so that the only support material that will be required, is in the tracks where the pencil …

In this blog post we would like to discuss some of our CAD models which depict the optimization changes that we proposed in our previous post. To summarize, we intended to (1) redesign the two …

Scope of project: Modify parent design from thingiverse: https://www.thingiverse.com/thing:200976 Re-design thingiverse model to eliminate post processing on the ratchet mechanism Optimize body strength/weight ratio using FEA Replace the existing two-part bow with a one-part bow system …