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2022-03-15 Mechanical Meeting Minutes

2022-03-15 Mechanical Meeting Minutes

Meeting Participants

Meeting Participants

@Max Apitz-Grossman (Deactivated)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


General Announcements

  • Second hybrid meeting! Let’s see how this goes

  • 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

  • Please put tools back in their proper spots when your done!

  • Maybe no more hybrid meetings for now too chaotic w/o a proper room booked

    • Alt: speaker in the bay, people read off of their own laptops

Drivetrain - Updates

Drivetrain Integration

Champions

  • @Emily Adam (Deactivated)

Updates

  •  

Blockers

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

  • Issues with MR22-DT-A0030 assembly

Weekly Retrospect

Finish drivetrain assembly

Weekly Targets

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

 

Wheel Connection

Champions

  • @Asha Mills Emmett (Deactivated)

Updates

  • Didn’t start printing the hubs yet

    • wanted to make sure there’s enough clearance between wheel hub and bracket before mass printing

  • Printing tolerance hell → P0112 is too constrained in inner diameter and inner height

  • Bearing does not sit flush in P0106 → bearing height in CAD model is not accurate to the datasheet, P0108 constrained to heavily

Blockers

  • Need wheel hub prints to finish wheel connection

  • Problems with P0106

Weekly Retrospect

Clean up CAD of wheel hubs → @Asha Mills Emmett (Deactivated), Mar 7, 2022
Do a verification print (in PETG) of the wheel hub set → @Asha Mills Emmett (Deactivated), Mar 4, 2022
Print remaining wheel hubs → @Emily Adam (Deactivated)Mar 8, 2022
Assemble everything minus integration into the wheel hubs @Emily Adam (Deactivated) or @Asha Mills Emmett (Deactivated) , Mar 5, 2022
Bare minimum: finish motor and gearbox assembly for FW to test with @Emily Adam (Deactivated)Mar 5, 2022

Weekly Targets

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)
Finish motor mounting assembly @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

Chassis

Champions

  • @Andrew Tersigni (Deactivated) @Chanpakorn Chaiklahan

Updates

  • Cleaned up the chassis folder

Blockers

  • Waterjet plate on top of comms stand needs to get reworked and waterjet, current size is too large

Weekly Retrospect

(link previous weeks updates here)

Have P0090, P0092 ready for Saturday build session @Emily Adam (Deactivated)Mar 5, 2022
Get status update on Ebox, battery mount and and E-stop @Andrew Tersigni (Deactivated)Mar 2, 2022

Weekly Targets

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

Differential Bar

Champions

  • @Emily Adam (Deactivated)

Updates

  • Machined new P0028’s

Blockers

  •  

Weekly Retrospect

Have fully assembled @Emily Adam (Deactivated)Mar 5, 2022
Pick up purchased stock for MR22-DT-P0035 → @Emily Adam (Deactivated)
Machine MR22-DT-P0035 → @Emily Adam (Deactivated)Mar 4, 2022

Weekly Targets

  • Assemble fully next build session @Emily Adam (Deactivated) Mar 22, 2022

  • 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)

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

  • OTS Fasteners, Misumi, Demtool, stock parts should all be in bay → everything ready to get things assembled

Blockers

  • Assigned members have been focusing on drivetrain assembly and midterms for the past week

Weekly Retrospect

Touch base with Axis owners @Austin Tailon Huang (Deactivated)Mar 8, 2022

Weekly Targets

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

Axis 1

Champions

  • @Ryan Mark

Updates

  • Talked to Austin to discuss assembly and steps to build it

  • Will use epoxy (first part of assembly) hopefully at week's end once I finished machining a part (machine shop lathes occupied last week)

Blockers

  • Two parts that need to be machined but need parts; 1 part 3D print - only 1 was printed but 2 are needed (MR-22-A1-P0047)

  • Axis 1: Assembly Drawing Parts

  • Axis Assembly PDF for all parts and assembly (spreadsheet above refers to pages - go here to see reference): Axis1_Assembly.pdf

Weekly Retrospect

(link previous weeks updates here)

Machined part MR22-A1-P0040 for the axis
Other weeks machined MR22-A1-P0037/38 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

Weekly Targets

Manufacture remaining Axis 1 parts Mar 19, 2022@Ryan Mark
Confirm status of remaining OTS parts Mar 19, 2022@Ryan Mark
Start assembly Mar 19, 2022@Ryan Mark

Axis 2

Champions

  • @Elizabeth Jung (Deactivated) @Ryan Chan

Updates

  • Talked with austin about getting the parts needed

  • Trouble finding stuff

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

  • Started assembly, found fasteners

Blockers

  •  

Weekly Retrospect

  •  

Weekly Targets

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

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 this week

Blockers

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

    • ESMS guys will do it for us next week

Weekly Retrospect

Make P0080 drawing @Charmaine Chun (Deactivated)Mar 8, 2022
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

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

IntegArm - 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

  • Beginning this week

Blockers

  • Insert blockers here

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)

Dirt Read Head Module

Champions

  • Ronald

Updates

  • Creating configurations/display states

Blockers

  • Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Insert progression target for the week, with owner.

Elevator Modules

Champions

  • TBD

Updates

  • Insert updates here

Blockers

  • Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Insert progression target for the week, with owner.

Test Tube Module

Champions

  • TBD

Updates

  • Still need to fix dirt delivery nozzles based on new dimensions of test tubes (also need to find all of the test tubes in the bay) @Gavin Mesz

    • nozzles need 3D print prototypes to test fit new o-ring

Blockers

  • Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

Insert progression target for the week, with owner.

Base Frame

Champions

  • Taim?

Updates

  • Insert updates here

Blockers

  • Insert blockers here

Weekly Retrospect