156B Week 7

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

• • All CAD Created/"Finalized"

  • All parts now bought!

  • Subassemblies:

    • Feeder/Conveyor: Mid Fabrication (waiting on 80/20)

    • Product Dispenser: FULLY OPERATIONAL

    • Insert Dispenser: Redesigned, functional motorized prototype fabricated, tweaking design for optimal performance

    • Folder: Fabrication finished, waiting on Motors to motorize (prepping 3d printed and acrylic mounts in the interim)

    • Sealer: Circuit works, housing design finished, parts ordered, waiting for their arrival (prepping acrylic parts in the interim)

    • Control System: Drives motors, logic planned out, implementation has begun!

Accomplishments from Previous Week

• • Finished fabrication on folding mechanism, minus motors (arriving soon)

  • Finished motorization of Product Dispenser

  • Built controls flowchart for our driver logic

  • Successfully drove stepper motors at the appropriate voltage using our arduino, power supply, and borrowed Motor Driver Board

  • Bought final set of parts!

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

• • Be ready for the Preliminary Design Presentation!

    • Finish powerpoint- ALL

    • Motorize Folding Mechanism- Griffin

    • Fabricate Sealer Housing- Griffin and Ali

    • Motorize Sealer Housing- Griffin and Jerry

    • Fabricate Conveyor Belt/Feeder- Dai

    • Motorize Conveyor Belt/Feeder- Dai and Jerry

    • Optimize Insert Dispenser- Ali and Jerry

    • Control System Interfacing- Jerry

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

• • Very satisfied with all the progress we've made (took tons of pictures) (5/12)

  • Had a motor driver board he recommended we use (5/12)

  • Excited to see the final thing! (5/12)

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

• • Website looks very good (thanks :D ) (5/9)

  • Time is less than we think it is (5/9)

  • Should put more focus onto controls than we were (5/9)

  • Bet a power supply that can give us all the power we need! (5/9)

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

• • All of the feedback from our presentations that Young has recently sent out (5/11)

Risks and Areas of Concern

• • Finishing on time (Less afraid now than last week though!)

Resources or Information Required but not Available

• • N/A

Schedule

• • Primary Design Review Presentation: 5/23

  • Report 2nd Draft (and Website Draft 2): 5/26

  • Update Gantt chart as needed.

Budget (list amount spent and amount remaining)

• • Spent this week: $192.87

    • Impulse Sealer Parts: $214.82

      • 80/20 Frame Parts: $182.92

      • McMaster Parts (Bearings, Rubber, etc): $31.90

    • Geared Motors for Jaws: $40.13

    • Stepper Motors for Everything Else: $85.15

    • RAMPS 1.4 Driver Boards: $66.77

  • Spent Total: $

• $45.43 Remaining

  • 3.79% of Budget Remaining

Progress on Report and Webpage

• • Being worked on, modified, cleaned up, new CAD being added when spare time is available