P18416: Belasenp Arborloo Base Manufacturing Process
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Preliminary Detailed Design

Table of Contents

Team Vision for Preliminary Detailed Design Phase

Summarize:

Percent Completed By Subsystem

Percent Completed By Subsystem

Prototyping, Engineering Analysis, Simulation

Mold Prototyping

Plywood Glued Together For Positive Molds

Plywood Glued Together For Positive Molds

Tool Path Generation For Positive Molds

Tool Path Generation For Positive Molds

Biochar and Aggregate Sizing Fixture

Biochar/Aggregate Sifting Fixture - CAD Model

Biochar/Aggregate Sifting Fixture - CAD Model

Biochar/Aggregate Sifting Fixture Drawing

Biochar/Aggregate Sifting Fixture Drawing

Bottle Stringing and Cutting

Bottle Stringing and Cutting

Bottle Stringing and Cutting

Bottle Strands

Bottle Strands

Cost Analysis Stringing Fixture

Cost Analysis Stringing Fixture

Stringing Fixture - CAD Model

Stringing Fixture - CAD Model

Stringing Fixture - CAD Drawing

Stringing Fixture - CAD Drawing

Layout

Manufacturing Layout Concept

Manufacturing Layout Concept

Talking With Experts

Full transcripts of all expert contacts can be found here.

Feasibility: Prototyping, Analysis, Simulation

Keyed Assembly Mock-up

Keyed Assembly Mock-up

Concrete Testing

Concrete Testing

Justification For Vacuum Formed Molds

Justification For Vacuum Formed Molds

Justification For Master Materials

Justification For Master Materials

Arborloo Base BoM

Arborloo Base BoM

Updated Customer Requirements

Updated Customer Requirements

Updated Engineering Requirements

Updated Engineering Requirements

Drawings, Schematics, Flow Charts, Simulations

System Design

System Design

Mold Material Simulation

Mold Material Simulation

Mold Material Simulation Cont'd

Mold Material Simulation Cont'd

Preliminary Bill of Material (BOM)

Based on the system design and initial feasibility tests, the preliminary Bill of Materials shown below was generated.
Preliminary Bill of Materials

Preliminary Bill of Materials

As can clearly be seen, and highlighted in yellow above, the largest cost is the material required for the vacuum formed molds. Such a large purchase is a risk that must be considered, as if the material doesn't work as expected or other issues arise, a large portion of the budget will have been lost. To mitigate this risk, the team is looking to obtain material donations, as well as performing additional small-scale feasibility tests to verify material performance. Most up-to-date BOM can be found here.

Test Plans

Our complete test plan for our concrete specimens can be found here. Official test plans are still being developed for the other subsystems. The basic templates are shown below.

Concrete Mixtures

This test plan is intended to determine the ideal concrete mixture for our required use.

Biochar Production

This test is intended to determine two separate factors. Which kiln process is most effective for use in Haiti, and how well agricultural waste works as material for biochar.

Bottle Stringing/Chopping

This plan is intended to test the viability of different chopping and sizing methods.

Aggregate Sorting

This test is intended to determine the efficiency of our proposed sifting system.

Aggregate Measuring

This test is intended to determine which method of aggregate measuring produces a more accurate mix, and can be used in Haiti.

Risk Assessment

To this point in our project, our risk assessment has remained relatively unchanged. However, a new resource risk was added, associated with the cost of purchasing the desired ABS plastic sheets. Mitigation actions are currently being planned and implemented. Additionally, risk number nine (9) has had the associated likelihood reduced as a result of our theorized mixture density. When the ring weights are calculated with this density, they are light enough (<25 lbs) to carry with minimal risk of injury.
Risk Assessment for Phase III

Risk Assessment for Phase III

Risk assessment document.

Design Review Materials

Plans for next phase

Shared team vision can be located at the top of Detailed Design.

The individual team visions can be viewed here.


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