2021-12-31 - Mech Leads Meeting

Next Mechanical Meeting: Jan 4th Meeting, 2pm

  • Returning members
  • New machinists welcome

Goals

  • Review overall mech goals
  • Review member engagement
    • Intimidating when there's nothing easy to start with (nothing delegated, nothing to help them get to know the rover)
    • Good to reinforce the importance of small tasks
    • Make active efforts to ask if people know what we're talking about
    • Good to include educational bits in meetings! Makes it worth it
    • Big wins when everyone knows what's discussed
    • Keep in mind small design tasks! → bounty channel!
  • Review meeting structure
    • Tech topics! → not every meeting, but down
    • General mechanical meetings
    • Design review meetings should be separate from update meetings
  • Responsibility breakdown
    • Same responsibility for each sub-system, Emily is floor-manager
    • Looking for someone to support Arm management → Max
  • Ordering plan & Budgeting
    • MISUMI → Austin
    • McMaster → Max
    • EMS → Emily
    • KHK → Austin
    • SKF → Austin
  • Budget weights
    • Science: 10 kg
    • Arm: 15 kg
    • Drivetrain (+E-box, +Gimbal, +Everything): 30 kg 
  • Weight review
    • Science: 9.8 kg
  • Integration plan/review
    • Add strain reliefs for moving motors*
    • E-box
      • Needs to be updated
    •  Drivetrain
      • Cable management and mounting to drivetrain
    •  Arm
      • Still figuring out where to locate all of the PCBs → packaging them on the base plate (arm-board-box), Thomas
    • Science????????
      • Max question

Work for this upcoming term (Overall and Undelegated Specific Items)

  • Update E-box with new PCB layout
  • A3 & A4 drawings → keep in mind there's some communication required if delegated to someone else
  • Science drawings
  • End effector drawings
  • Revise end effector with new components
  • Newbie design tasks
    • Arm test fixture
    • Routing clips on drivetrain
  • Magic toolbox

General Notes

  • Subsystem order of priority:
    1. Drivetrain
      • Manufacturing
      • Assembly
      • Testing
    2. Arm
      • A1 & A2: basically complete, drawings done, BOMs done
      • A3 & A4: Austin's working on it → design to be finished end of break, drawings start at beginning of term
      • Design A3 & A4
      • Manufacturing
      • Assembly
      • Testing
    3.  Science
      • Design is done, drawings to-do
      • Manufacturing 
      • Assembly
      • Testing
    4. End effector
      • Integration with new Maxon motor
      • Can fake with old end-effector if necessary for SAR
    5.  Ebox
      • For SAR: re-use 2021 E-box
      • update ebox after SAR
    6. Base station
      • Reusing
      • Need to test → Farris
    7. *Shipping for comp

Things TO DO 

  • Advertise mechanical in discords and Instagram → Emily
  • Make bounty channel, come up with the bounty → Max

Things for Farris!

  • Test base station
  • Where do we EMI-shielding, wire protection → post-SAR?
  • Cable management → post-SAR?