156B Week 7

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Dome design is complete.

    • Tom approved the design and will begin machining the parts this week. 

    • completion either this week or next.

  • Manifold for sample tray is complete.

  • UI is in progress. Completion this week.

  • 99% of components have been received

Accomplishments from Previous Week

• • Dome design approval

  • Manifold

  • Code

  • Shipment of all major components

  • Progress with UI

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Complete CNC/lathe cutting of dome

    • Begin construction of jets - Dimitri

  • Research more options for acrylic glue - Dimitri

  • Code completion - Rudy and Zhen

  • User Interface - Rudy

  • Pressure gauge - Zhen

  • Sample tray - Yoav

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • Long discussion regarding fabrication of 3 piece dome (5/10)

    • Final decision to glue pieces together (as opposed to bolts/o-rings) 

  • Patrick recommended unique way to code solenoids in order to avoid stagnate water (5/10).

Instructor Comments from Last Meeting and Actions Taken to Address these Comments  (indicate date of comments and if via email or in person)

• • Recommendation of alternative sampling manifold (5/8)

    • Sponsor is worried about bulkiness of new design idea as well as feasibility.

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • Helicoil on dome for bolts (5/8)

    • No longer using bolts in design

Risks and Areas of Concern

• • One "shot" at dome. No back up pieces.

  • Weight of dome. 

    • We need to creatively add two handles to the dome.

  • Pressure gauge.

Resources or Information Required but not Available

• • Handles for dome

Schedule

• • Describe upcoming milestone

  • Update Gantt chart.

Budget (list amount spent and amount remaining)

• • Regarding internal $1000 budget, we purchased

    • Solenoid, polycarbonate, acrylic, minor electrical componentes

      • Spent $510.

  • Remaining $490 

Progress on Report and Webpage

• • Updated last week presentation.