2022-05-10 Mechanical Meeting Minutes

Meeting Participants

Meeting Participants

General Announcements

If you are going into the bay, please sign the sign in sheet!!
Time for a BAY CLEANUP

Drivetrain - Updates

Drivetrain Integration

Champions

@Emily Adam (Deactivated)

Updates

Tires may still need to go on
aiming to get first draft of testing plan done by sunday
drivetrain summary page around then as well

Blockers

Weekly Retrospect

Finish WHOLE drivetrain assembly! Apr 3, 2022

Weekly Targets

Finish WHOLE drivetrain assembly! Apr 10, 2022

Wheel Connection

Champions

@Asha Mills Emmett (Deactivated)

Updates

Got all of A0030 assemblies onto the rover

Blockers

Weekly Retrospect

Print new test encoder housing @Emily Adam (Deactivated)Apr 1, 2022

Assemble remaining encoders to motors @Emily Adam (Deactivated)Apr 1, 2022

Finish assembly!! Apr 3, 2022

Army print remaining wheel hubs in PETG @Asha Mills Emmett (Deactivated)Apr 3, 2022

Replace fasteners mounting gearboxes to P0106 with flathead screws @Emily Adam (Deactivated)Apr 1, 2022

Cut wheel hub keys to length @Chanpakorn ChaiklahanApr 3, 2022

Weekly Targets

Assemble new encoder mounts on to rover @Emily Adam (Deactivated)Apr 8, 2022

Assemble tires onto rover @Emily Adam (Deactivated)Apr 10, 2022

Chassis

Champions

@Andrew Tersigni (Deactivated) @Chanpakorn Chaiklahan

Updates

Blockers

Weekly Retrospect

(link previous weeks updates here)

Cut comms stand plate with Olabisi’s battery mount plate @Emily Adam (Deactivated)

Weekly Targets

Differential Bar

Champions

@Emily Adam (Deactivated)

Updates

Added jam nuts on one side!
Destroyed the bolt on the other side

Blockers

Weekly Retrospect

Add jam nuts on either side of the turnbuckles @Emily Adam (Deactivated)Apr 1, 2022

Weekly Targets

Reprint spacers and metal sleeve in PLA @Emily Adam (Deactivated)Apr 10, 2022

Add jam nuts on either side of the turnbuckles @Emily Adam (Deactivated)Apr 10, 2022

Suspension

Champions

@Max Apitz-Grossman (Deactivated)

Updates

Added missing fasteners to secure the plates

Blockers

Weekly Retrospect

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 missing fasteners onto plates @Emily Adam (Deactivated)Apr 1, 2022

Weekly Targets

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

Sorted out some updates with Axis owners
Strain wave gearbox in process of assembly
Tracking master page: https://uwaterloo.atlassian.net/l/c/bvgM5cHA
Fit class on crossed roller bearings was improperly spec’d for A1, A3, A4
- Slight interference was included in upper lower bounds - (potential interference of 9μm)

Blockers

Waiting on joints to finish assembly before full arm integration

Weekly Retrospect

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

Weekly Targets

Get status update from Axis owners @Austin Tailon Huang (Deactivated)Mar 31, 2022

Document fit class mis-spec in 2022 Arm - Build Notes@Austin Tailon Huang (Deactivated)Mar 31, 2022

Develop joint level testing plans @Austin Tailon Huang (Deactivated)Apr 4, 2022

Axis 1

Champions

@Ryan Mark

Updates

Machined shaft
Gear arrived!

Blockers

Some confusion

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Epoxy again

Axis 2

Champions

@Ryan Chan

Updates

Need a little more direction
Bracket almost machined
Going to need someone to take over for this term

Blockers

Weekly Retrospect

Weekly Targets

Allocate machining tasks @Ryan Chan

Sync-up on part tracker to create full list of outstanding tasks and parts @Ryan Chan

Host short meeting to touch base on assembly and next steps @Ryan Chan

Machine waterjet parts, large L bracket, find all OTS items

Axis 3

Champions

@Kenneth Francis
@Conall Kingshott

Updates

Touch base with Austin/Max on A3 progress

Blockers

Weekly Retrospect

Weekly Targets

Locate all A3 parts

Figure out the next steps on assembly

Axis 4

Champions

@Gavin Mesz @Arlo Symons

Updates

Arlo cant get into the bay, can still communicate with Gavin

Blockers

Finding fasteners for assembly

Weekly Retrospect

Weekly Targets

Finish assembly 12 and start assembly 48 (48 is top of below and 12 is bottom) Apr 8, 2022

Hoping to get into the bay sometime right after Calc exam on Apr 8, 2022 with Arlo and get a bunch done

Axis 5/6

Champions

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

Updates

Assembly done! (minus encoders)

Blockers

Where are the broadcom encoders?

Weekly Retrospect

Weekly Targets

O-Drive Enclosures

Champions

@Thomas Valer (Deactivated)

Updates

Blockers

Weekly Retrospect

Weekly Targets

Integrate feedback from design review @Thomas Valer (Deactivated)Mar 11, 2022

Final review once changes are made

Arm Control Fixture

Champions

@Abdul Haseeb (Deactivated)

Updates

Blockers

Weekly Retrospect

Weekly Targets

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

Blockers

Some subsystems need to change hands/get more help

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Drill Bit Module

Champions

Zia Formuly

Updates

Done

Blockers

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

Blockers

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Insert progression target for the week, with owner.

Elevator Modules

Champions

@Chanpakorn Chaiklahan

Updates

Blockers

A0034 does not sit well on the frame
Sleeves and shafts for A0034 are nowhere to be found

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Make changes in the assembly drawings for A0034 and A0035

Complete the assembly

Test Tube Module

Champions

Ryan Mark

Updates

First part of assembly complete (test tube rack)
Other part (science lift thing) in the works (some of it done)

Blockers

Finding screws and 18-8 McMaster steel threaded rod

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Find remainder of parts

Finish 2nd part and join with elevator subassembly

Base Frame

Champions

Taim

Updates

Need to kickstart this assembly again

Blockers

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Create drawings for all t-slot extrusion sub-assemblies

Science - High Level Goals

Active Goals

Assemble full science mechanism

Finish fabricating all parts for drill bit module

Finish fabricating all parts for dirt read head module

Finish fabricating all parts for elevator modules

Finish fabricating all parts for test tube module

Finish fabricating all parts for base frame

Assemble drill bit module

Assemble dirt read head module

Assemble elevator modules

Assemble test tube module

Assemble base frame

Move completed goals here

Science - Known Issues

Electrical Box - Updates

Champions

@Thomas Valer (Deactivated)

Updates

Blockers

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Meet to do final review of ebox mounting @Emily Adam (Deactivated)@Thomas Valer (Deactivated)@Austin Tailon Huang (Deactivated)Mar 2, 2022

Electrical Box - High Level Goals

Active Goals

Assemble electrical box on new chassis

Determine level of rework for electrical box

Verify fully enclosed mass

Move completed goals here

End Effector - Updates

Champions

@zia formuly

Updates

Blockers