156B Week 4

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

• Injection machine assembled by Mark, testing can be done by Mark if requested. 

• Each team member focusing on a key area of the injection machine to optimize 

• 3D model of the system is currently being designed on Autodesk Fusion 360

Accomplishments from Previous Week

• Connected with sponsors over Slack about setting up a new meeting time. 

• Met with Professor Delson to give project updates and asked for advice about project decisions and methodology.  

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

• Complete Pareto chart 

• Ideate on the problem spaces we defined with the sponsor.

  • 3D Printed Molds and Mold Cage (Brian)

  • Nozzle (James)

  • Injection Effort (Katherine)

  • PID Control and Measurements (Kaleb)

• Discuss with sponsors to finalize design decisions for each individual component.

• Explore variations of precious plastic injection machine done by the precious plastic community. 

• Complete presentation for Week 5 

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

Notes from continuous Slack communication:

• Current meeting time is inconvenient for everyone's schedule, a new weekly meeting time will be determined. 

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

Notes from the previous meeting with Professor Delson: 

• • Discussed 3D printed mold, ABS material, 3D printer resin, mold cage.

    • Create hand sketches for presentation, get feedback from sponsors.

  • Discussed barrel/nozzle analysis with written analysis on barrel strength.

    • Look into different experiments that can be done by Mark Hansen with the injection machine. Transient time for melting plastic on Ansys.

  • Discussed temperature sensors in industry, thermocouple placement.

    • See options for temperature sensing at nozzle.

  • Discussed scissor jack, hydraulic-pneumatic, and linear actuator lever component.

    • Consider the cost, time, accessibility, etc. of each option.

• For next meeting:

  • Prepare a presentation with relevant graphics to show.

  • Be in contact with sponsors (Slack channel).

  • Communicate individual work with team (3 weekly meetings).

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

• Injection machine will not be delivered. 

Resources or Information Required but not Available

• N/A

Schedule

• Weekly Meeting with Sponsors (4/22/20)

• Weekly Internal Team Meetings (3 times a week)

• Weekly Meeting with Prof. Delson (4/24/20) 

Budget (list amount spent and amount remaining)

• Total Budget: $2600

• Amount Spent: $120

• Budget Remaining: $2480

Progress on Report and Webpage

• Week 4 Updated