P18676: Upcycling of 3D Printing Waste
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Customer Handoff & Final Project Documentation

Team Vision for Final Demo and Handoff

The main goal of the team was to complete the construction of the machine and fine-tune the different factors in order to optimize the production of the extruded filament.

The final product was able to extrude filament at a fairly consistent rate. Once the machine was working, we worked on fixing the electronics panel.

Final Machine Build

Final Machine Build

As mentioned previously, the machine does not work perfectly. It is periodically inconsistent in both the filaments properties and extrusion rate without changing any settings. Also, the rollers are an imperfect solution to the cooling and sizing problem.

Looking to the future, to solve these problems, the project should either continue as a senior design project, a grad student project, or a construct project. The work completed by our team is sound, and the problems the extruder faces are not unsolvable. If senior design is chosen, at least one plastics specialist should either be a team member or assistant guide. Finding a better mixture for extrusion, including regrind, would be their primary task. As for mechanical improvements, climate controlling the extrusion, for humidity and temperature should be assessed as well as changing the orientation from vertical to horizontal. Water baths should be explored as a better alternative to rollers. If the rollers must remain, see earlier iterations of the design for better, metal rollers that can both pull and form the extrusion.

Risk and Problem Tracking

Risk Management

Risk Management

Risk Analysis Matrix

Final Project Documentation

Final Roller Assembly Design

Final Roller Assembly Design

Final Assembly Design

Final Assembly Design

Final Bill of Materials

Final Bill of Materials

Main Barrel

Die

Nozzle Specifications

Nozzle Specifications

Top Plate

Frame

Rollers

In order to run the main stepper motor the following code was used. Main Stepper Motor Code

Stepper Motor Arduino Code

Stepper Motor Arduino Code

Rollers Motor Code
Roller Arduino Code

Roller Arduino Code

Technical Paper


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