/
2022-03-22 Mechanical Meeting Minutes

2022-03-22 Mechanical Meeting Minutes

Meeting Participants

Meeting Participants

@Max Apitz-Grossman (Deactivated)

@Ryan Mark

@Emily Adam (Deactivated)

@Olabisi Sanusi

@Austin Tailon Huang (Deactivated)

@Conall Kingshott

@Kenneth Francis

@Christopher James Kenneweg (Deactivated)

@Thomas Valer (Deactivated)

@Jasmine Milan (Deactivated)

@Arlo Symons

@allen

@Zia Formuly (Deactivated)

@Chanpakorn Chaiklahan

 

 

 

 


General Announcements

  • Austin is back from vacation, hello :]

  • Need to get everyone’s information in the member registry, and you guys need to sign it when you go to the bay next

  • Add yourselves to the participants list when you can

  • Build session this Saturday, 1pm?

    • Drivetrain assembly

    • Others?

Drivetrain - Updates

Drivetrain Integration

Champions

  • @Emily Adam (Deactivated)

Updates

  • All major issues with wheel connection assembly has been resolved

Blockers

  • Minor parts need to get remade on gimbal plate and chassis

  • New wheel hubs need to be printed

Weekly Retrospect

Address all issues with A0030 assembly, have a plan of action by Mar 19, 2022

Weekly Targets

Finish WHOLE drivetrain assembly! Mar 26, 2022

 

Wheel Connection

Champions

  • @Asha Mills Emmett (Deactivated)

Updates

  • Resolved all known issues!

    • Added holes on P0106 to allow for mounting on the side faces of the gearbox

    • Leaving P0108 as is with some retaining compound, shrinking spacer above

    • Increased the diameter of the wheel hubs so that they compress on the tire & move as one system

      • Bonus clearance added for the motor assembly inside the hub!

  • Assembled one encoder onto a motor for FW to test with. Used super glue to secure the magnet

Blockers

  • Need to print remaining 6 set of hubs

Weekly Retrospect

Resolve issues with fitting the bearing into the assembly, assembling gearboxes to P0106
Assemble encoders onto gearboxes
At least one for Mar 16, 2022@Emily Adam (Deactivated)
Print spacers, P0287, P0288 @Asha Mills Emmett (Deactivated), Mar 19, 2022
Update wheel hubs to be for 1/4”-20 fasteners @Asha Mills Emmett (Deactivated)
Order 1/4”-20 fasteners @Emily Adam (Deactivated)
Modify and update the wheel hubs to accommodate new parts Mar 22, 2022

Weekly Targets

Army print remaining wheel hubs in PETG @Asha Mills Emmett (Deactivated)Mar 25, 2022
Print new test encoder housing @Emily Adam (Deactivated)Mar 25, 2022
Assemble remaining encoders to motors @Emily Adam (Deactivated)Mar 26, 2022
Print spacers, P0287, P0288 @Asha Mills Emmett (Deactivated), Mar 25, 2022
Finish assembly!! Mar 26, 2022

Chassis

Champions

  • @Andrew Tersigni (Deactivated) @Chanpakorn Chaiklahan

Updates

  • still need to sort out water jet plate ; got lowered on priority list

Blockers

  • Emily has been busy fixing wheel connections

Weekly Retrospect

(link previous weeks updates here)

Waterjet plate sorted out (P0096) @Andrew Tersigni (Deactivated)@Emily Adam (Deactivated)Mar 12, 2022
Clean CAD folder for Chassis (material properties, file organization, naming conventions) @Andrew Tersigni (Deactivated)Mar 15, 2022

Weekly Targets

Waterjet plate sorted out (P0096) @Emily Adam (Deactivated)Mar 26, 2022

Differential Bar

Champions

  • @Emily Adam (Deactivated)

Updates

  • Verified that it should assemble with no issues

Blockers

  •  

Weekly Retrospect

Verify that assemble has no issues @Emily Adam (Deactivated)Mar 15, 2022
Finish P0028 (tap remaining two holes, with RH thread for now) @Emily Adam (Deactivated)

Weekly Targets

Finish P0028 (tap remaining two holes, with RH thread for now) @Emily Adam (Deactivated)Mar 26, 2022

Suspension

Champions

  • @Max Apitz-Grossman (Deactivated)

Updates

  • Suspension assembly completed

Blockers

  • N/A

Weekly Retrospect

Submit and verify McMaster-Carr order @Max Apitz-Grossman (Deactivated)Mar 1, 2022
Finish assembly by Saturday @Max Apitz-Grossman (Deactivated)Mar 5, 2022

Weekly Targets

Create tracking page for build notes/observations (investigate why one side is more rigid than the other) Mar 12, 2022@Max Apitz-Grossman (Deactivated)
Add spacer for messed up P0106 side → @Emily Adam (Deactivated)Mar 22, 2022

Drivetrain - High Level Goals

Active Goals

Assemble full drivetrain
Finish printing all wheel connection parts
Finish machining all chassis parts
Finish machining all differential parts
Finish qty 6 wheel connection assy.
Finish differential bar assembly
Finish chassis assembly
Finish suspension assembly

Drivetrain - Known Issues

Arm - Updates

Arm Integration

Champions

  • @Austin Tailon Huang (Deactivated)

Updates

  • Met with Axis owners before vacation, hopefully things went smoothly

Blockers

  •  

Weekly Retrospect

Review assembly with Axis owners @Austin Tailon Huang (Deactivated)Mar 10, 2022

Weekly Targets

Get status update from Axis owners @Austin Tailon Huang (Deactivated)Mar 24, 2022
Create tracking pages on confluence to store build notes, progress pics, photos and observations @Austin Tailon Huang (Deactivated)Mar 24, 2022
Develop joint level testing plans @Austin Tailon Huang (Deactivated)Mar 28, 2022

Axis 1

Champions

  • @Ryan Mark

Updates

  • Finish machining and 3D printing (1 of 2 parts for encoder shield was not printed but now is) remaining parts

  • Used epoxy and Loctite on two parts in assembly; currently, drying –

Blockers

  • Waiting for epoxy to be done curing

  • Aluminum hub is not fitting in bearing

Weekly Retrospect

(link previous weeks updates here)

Machined part MR22-A1-P0040, MR22-A1-P0037/38, and some others and completed ESMS Training
Talk to Austin to see if two parts can be machined @Austin Tailon Huang (Deactivated)@Ryan MarkMar 8, 2022
Touch base with Austin to figure out what fasteners were replaced @Austin Tailon Huang (Deactivated)@Ryan MarkMar 4, 2022
Discuss assembly of Axis 1 and order of operations

Weekly Targets

Begin and hopefully finish assembly now that everything is done Mar 26, 2022@Ryan Mark
Check the fit class for aluminum shaft and bearing to make sure it is proper @Austin Tailon Huang (Deactivated)Mar 23, 2022

Axis 2

Champions

  • @Elizabeth Jung (Deactivated) @Ryan Chan

Updates

  • Talked with austin about getting the parts needed

  • Trouble finding stuff

  • Going to work on arm and find parts this weekend

  • Cant make the meeting -Ryan

Blockers

  • Midterms prevented work on the past week

Weekly Retrospect

Figure out who is bringing the strainwave gearbox to Waterloo @Austin Tailon Huang (Deactivated)Mar 8, 2022

Weekly Targets

Allocate machining tasks @Ryan Chan@Elizabeth Jung (Deactivated)Mar 12, 2022
Sync-up on part tracker to create full list of outstanding tasks and parts @Ryan Chan@Elizabeth Jung (Deactivated)Mar 10, 2022
Host short meeting to touch base on assembly and next steps @Ryan Chan@Elizabeth Jung (Deactivated)Mar 10, 2022
Machine waterjet parts, large L bracket, find all OTS items

Axis 3

Champions

  • @Kenneth Francis

  • @Conall Kingshott

Updates

  • Assembly ongoing

Blockers

  • Free time

Weekly Retrospect

Machine part P0061 @Zia Formuly (Deactivated)Mar 12, 2022
Machine part P0240 @Conall KingshottMar 12, 2022
Touch base on assembly plan @Austin Tailon Huang (Deactivated)@Kenneth Francis@Conall KingshottMar 10, 2022
Start assembly! @Kenneth Francis@Conall KingshottMar 13, 2022

Weekly Targets

Continue working on assembly @Conall Kingshott
Check bolts for folded part @Austin Tailon Huang (Deactivated)Mar 23, 2022

 

Axis 4

Champions

  • @Gavin Mesz @Arlo Symons

Updates

  • Started assembly and will continue it over this week (all parts finished)

Blockers

  • No significant blockers other than usual schoolwork

  • Missing hex head screws for assembly 12 (McMaster: 91280A121 and 91280A116) @Max Apitz-Grossman (Deactivated) add to order

Weekly Retrospect

Assembly going smoothly, nothing bad happening yet
Wondering if the MAXON motor and encoder are in the MAXON box. The part numbers don’t match up on BOM but it looks the same as the assembly

Weekly Targets

Finish assembly 12 and start assembly 48 (48 is top of below and 12 is bottom) Mar 22, 2022
Possibly order hex screws from EMS
Check to see if we have all required OTS parts ordered and in the bay @Austin Tailon Huang (Deactivated)Mar 11, 2022 (Started Mar 8)
X means the part is found, O means not found and blank means haven’t checked, check means the part is put together

 

Axis 5/6

Champions

  • @Medina Colabrese (Deactivated) @Charmaine Chun (Deactivated) @Olivia Zheng

Updates

  • Waiting on a few parts to be CNC’d

  • Machining the rest of the parts in the next couple weeks

  • Started assembly back half of axis, plan on assembly front half this weekend

Blockers

  • Demtool part will take the longest probably - maybe CNC in house??

    • ESMS guys will do it for us this/next week

Weekly Retrospect

Make P0080 drawing @Charmaine Chun (Deactivated)Mar 8, 2022
For @Medina Colabrese (Deactivated) to make and machine now
Determine if we can machine CNC’d parts in house @Medina Colabrese (Deactivated)Mar 8, 2022
Machine some stuff → add specifics as bounties are posted
Order boxtube @Medina Colabrese (Deactivated)Mar 1, 2022

Weekly Targets

Order stock for MR22-A56-P0115A → @Emily Adam (Deactivated)
Assemble the back half of Axis 5/6 Mar 22, 2022
Progress was made!
Assign two(?) outstanding parts to be machined

O-Drive Enclosures

Champions

  • @Thomas Valer (Deactivated)

Updates

  • Still working on discussed changes

Blockers

  • No blockers

Weekly Retrospect

Meet to review design and discuss next steps @Austin Tailon Huang (Deactivated)@Thomas Valer (Deactivated)Mar 3, 2022

Weekly Targets

Integrate feedback from design review @Thomas Valer (Deactivated)Mar 11, 2022
Final review once changes are made

Arm - High Level Goals

Active Goals

Assemble full arm
Finish fabricating all parts for Axis 1
Finish fabricating all parts for Axis 2
Finish fabricating all parts for Axis 3
Finish fabricating all parts for Axis 4
Finish fabricating all parts for Axis 5/6
Assemble Axis 1
Assemble Axis 2
Assemble Axis 3
Assemble Axis 4
Assemble Axis 5/6
Finish O-Drive enclosure design
Fabricate O-Drive enclosures

  • Move completed goals here

Arm Known Issues

Science Updates

Science Integration

Champions

  • @Max Apitz-Grossman (Deactivated)

Updates

  • Assigning members to be various task champions

Blockers

  • Fastener ordering, including some the ems store doesn’t carry

  • Still need some champions

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

assembly drawings done by end of week Mar 15, 2022
all ems fasteners ordered, going to hold back on mcmaster/other sources for the niche bolts until we have more to order

Drill Bit Module

Champions

  • Zia Formuly

Updates

  • Created assembly drawings

  • Finding all the parts → looks like nothing is missing

Blockers

  • Finding parts

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Create assembly drawings @Zia Formuly (Deactivated)
Find all parts and make sure they have been machined @Zia Formuly (Deactivated)
Assemble drill bit module @Zia Formuly (Deactivated)

Dirt Read Head Module

Champions

  • Ronald

Updates

  • Creating configurations/display states

  • Gotta find the sensors

Blockers

  • Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Insert progression target for the week, with owner.

Elevator Modules

Champions

  • @Chanpakorn Chaiklahan

Updates

  • Began assembly

  • Problem with A0034 → part that holds the belt (flipped compared to CAD model)

  •  

  • Continuing the assembly

 

Blockers

  • Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Assembly Drawing for A0034 and A0035.
Fix the base plates (P0207)

Test Tube Module

Champions