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Introduction
Introduction
In this phase of the project, you will be creating the payload your mechanized arm will move and interact with for the full duration of the project. While a seemingly simple task there are differing design strategies. Will your team attempt to make a specialized payload that only your own team will be able to lift? Will you converse with other teams and dictate class-wide design constraints? What design features will you include to make lifting this payload simple?
Design Considerations (Brainstorming)
Design Considerations (Brainstorming)
A cube functions in a manner that makes picking it up limited to only picking it up by applying a squeezing or sweeping motion to capture the payloads. Any other shapes that don't have parallel edges make picking it up, whether by squeezing or scooping, is extremely challenging for any grasping mechanism.
Our Theory:
Our theory behind this payload design rested solely on the geometric properties of the shape itself. We wanted something that was both aesthetically pleasing and capable of being picked up by both a compression mechanism and scoop mechanism. However, what we soon realized was the instability of the payload itself, and should it topple over, it would most likely roll away.
Our Theory:
Our theory behind this design was to use the simplistic shape of a cube along with perpendicular grooves that create a space for the forks of a claw to slide into. We decided not to use this design because other groups might have difficulties lifting this payload.
Our Theory:
A more simplistic design with rounded edges for aesthetic purposes as well as a curved base to facilitate scooping, this payload design was a very serious consideration. However, the design itself was rather plain and our group, wanting to pursue the cube idea, began to think outside of the box.
Our Theory:
The theory behind this design was to make a shape that could directly fit into grooves or "teeth" that could match up with the claw. This design could look interesting and aesthetically pleasing if it worked precisely but unfortunately this would be difficult for other groups to grab and the payload would have to be in a very exact location for our claw to grab it. There would also be very little tolerance when designing the grooves in both the payload and the claw.
Our Theory:
The idea behind this concept was to force the user to clamp the pay load on its sides instead of sliding a lifting mechanism underneath. However, we believe that this design will not easy to create on the 3D printer since the four supports are so high up in the air.
Our Final Design Choice:
Our Final Design Choice:
Our Theory:
As stated previously, our group wanted to choose a geometric shape that had parallel edges and was easy to grab whether by being squeezed, scooped, or even in the case of this design, picked up by a claw-like mechanism. So, after a few hours of considerations, we choose a shape that encompasses many aspects of a good design in regards to usability by other parties and simplistic to recreate/print but not a point where it looks like little consideration was given in regards to the design.
Modeling Constraints:
Modeling Constraints:
Bounding Box and Properties Panel:
Bounding Box and Properties Panel:
Cura Print:
Cura Print:
Mass Properties:
Mass Properties:
Links to Files:
Links to Files:
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