156B Week 5

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

Accomplishments from Previous Week

• • Test rails were completely fabricated

  • Toaster oven was modified for use with test rails

  • Trial runs of print platforms going through the heating station and the mechanical removal station were completed

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

Marcos

• • Design and fabricate mounting system for air edger

  • Implement air edger into rail system and test feasibility

  • Implement electric motor and wire wheel into rail system and test feasibility

Julie

• • Fabricate skeleton frame of box and laser cut panels for enclosure

  • 3D print pulleys for timing belt drive 

Bethel

• • Design insulation for heating station and shielding for each station

  • Test insulation

Ben

• • Test heating potential of halogen bulbs

  • Test temperature controller

  • Purchase insulation for hating chamber

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

·      Finish design by 5/27

·      Bring layout of design next week

·      Is it possible to clean trays at a low temperature so there won’t be fumes?

·      Extend Gantt chart until end of quarter

·      Make a list or risks specific to our design (ex. Heating system doesn’t get hot enough)

·      Have solutions for these risks (mitigation plan)

·      Deliverables

o   Top risks and mitigation plan

o   Schedule for rest of the quarter

§  Test plan

o   CAD model of design

o   Key purchased components (physically bring them. Also put in excel sheet with links)

§  Heating elements

§  Temp controller

§  Linear rail

§  Motor and controller

§  Air knife

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

·      Top lid with interlock (once the lid opens, everything shuts down)

·      Machine also needs an emergency stop

·      Start working on enclosure and separation

·      Work on tasks in parallel

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

Risks and Areas of Concern

Resources or Information Required but not Available

Schedule

• • Describe upcoming milestone

  • Update Gantt chart.

Budget (list amount spent and amount remaining)

Progress on Report and Webpage