156B Week 2
Overview of Status of Analysis, Design, Fabrication, Tests, etc.
Team leaning towards hybrid design (below seat is from commercially available office chair parts, seat and above made by us)
Spreadsheet made for organizing CAD parts and assemblies ("Adjustable Chair Part Numbers List")
Document made to keep record of links to chair components ("Chair Component Links")
Assembly of four bar linkage for backrest made using COTS parts
Assembly of chair foundation made using COTS parts (as alternative)
Accomplishments from Previous Week
Project redefinition presentation completed
Spreadsheet and Document made for organization of parts
Goals for Next Week (list names after each item). Use specific and measurable objectives.
Finish detailed designs
Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)
Design from scratch seems more interesting
Hybrid design seems good
Less flexibility with pre-bought chair
*See "Redefinition Presentation/Sponsor Meeting Notes 4/8/2020"*
Instructor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)
Clear presentation, liked how we presented and delivered pros and cons
Look into 80/20, Misumi, McMaster, StockDrive, and resources on Canvas for prototyping/manufacturing
Make phone calls
Reach out machine shop staff for guidance
Wanted more detailed design on some of the concepts (higher quality CAD)
Email professor comments to sponsors
Hold more meetings
Safety is high priority, especially around children
*See "W2 Meeting w/ Delson 4/10/2020" and "Redefinition Presentation/Sponsor Meeting Notes 4/8/2020"*
Comments from Other Students in the Class (indicate date of comments and if via email or in person)
none
Risks and Areas of Concern
safety
CAD of office chair components
manufacturing
Resources or Information Required but not Available
CAD of office chair components
Schedule
Week 3: Finish detailed designs
Footrest and mechanism
Armrest and mechanism
Seat lifting and mechanism
Backrest and mechanism
Update Gantt chart.
Budget (list amount spent and amount remaining)
none spent
Progress on Report and Webpage
Project Redefinition Presentation completed
Webpage updated
Documents: