156B Week 4

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

• • Refined design for first prototype (Team)

Accomplishments from Previous Week

• • Took measurements of robot arm and milling head for design (Anny)

  • Designed spool mount (Nicholas, Anny)

  • Printed extruder mount for collet (Armando, Kevin)

  • Designed Circuit/Coding for electronic elements (Armando)

  • Tested stepper motor and driver (Armando)

  • Obtained filament and carbon fiber spool (Nicholas)

  • Machined Y-connector for filament and fiber connection (Armando)

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

• • Fabricate and assemble prototype (all members)

    • Assemble extruder mount from printed parts (Kevin)

    • Machine motor/spool mount casing (Nick, Anny)

    • Combining all electronics to single power supply (Armando)

    • Test extruder for PLA only (Team)

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

• • 1/25/2016 (in person, with Ian)

    • Wanted CAD images (sent)

    • Looking into specific forms

    • Currently trying to obtain Index Number (pending)

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

• • 1/21/2016 (in person)

    • Consider using stainless steel, even though it is not as strong as hardened steel, but easier to machine and stronger than brass

    • Talk to Tom about the extruder tip (pending)

    • Look up applicable standards (adding to report)

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

• • N/A

Risks and Areas of Concern

• • 3K Carbon fiber tow diameter might be too large (still testing)

  • Index number needed for personal reimbursement

  • Risks and Areas of Concern for previous week have not been tested yet

Resources or Information Required but not Available

• • Index Number

Schedule

• • Add applicable standards to report

  • Awaiting delivery of MOSFETs, Voltage Regulator, and ER32/19mm collet

Budget (list amount spent and amount remaining)

• • Spent: $89.42

  • Remaining: $1249.71

Progress on Report and Webpage

• • Added Impact on Society portion from last week

  • Will add applicable standards