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

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), Do a verification print (in PETG) of the wheel hub set → @Asha Mills Emmett (Deactivated), Print remaining wheel hubs → @Emily Adam (Deactivated) Assemble everything minus integration into the wheel hubs @Emily Adam (Deactivated) or @Asha Mills Emmett (Deactivated) , Bare minimum: finish motor and gearbox assembly for FW to test with @Emily Adam (Deactivated) Weekly Targets Resolve issues with fitting the bearing into the assembly, assembling gearboxes to P0106 Assemble encoders onto gearboxes At least one for @Emily Adam (Deactivated) Finish motor mounting assembly @Emily Adam (Deactivated) Print spacers, P0287, P0288 @Asha Mills Emmett (Deactivated), 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

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) Get status update on Ebox, battery mount and and E-stop @Andrew Tersigni (Deactivated) Weekly Targets Waterjet plate sorted out (P0096) @Andrew Tersigni (Deactivated)@Emily Adam (Deactivated) Clean CAD folder for Chassis (material properties, file organization, naming conventions) @Andrew Tersigni (Deactivated)

Differential Bar

Champions @Emily Adam (Deactivated) Updates Machined new P0028’s Blockers Weekly Retrospect Have fully assembled @Emily Adam (Deactivated) Pick up purchased stock for MR22-DT-P0035 → @Emily Adam (Deactivated) Machine MR22-DT-P0035 → @Emily Adam (Deactivated) Weekly Targets Assemble fully next build session @Emily Adam (Deactivated) Verify that assemble has no issues @Emily Adam (Deactivated) 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) Finish assembly by Saturday @Max Apitz-Grossman (Deactivated) Weekly Targets Create tracking page for build notes/observations (investigate why one side is more rigid than the other) @Max Apitz-Grossman (Deactivated) Add spacer for messed up P0106 side → @Emily Adam (Deactivated)

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) Weekly Targets Review assembly with Axis owners @Austin Tailon Huang (Deactivated)

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 Assembly PDF for all parts and assembly (spreadsheet above refers to pages - go here to see reference): 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 Mark Touch base with Austin to figure out what fasteners were replaced @Austin Tailon Huang (Deactivated)@Ryan Mark Weekly Targets Manufacture remaining Axis 1 parts @Ryan Mark Confirm status of remaining OTS parts @Ryan Mark Start assembly @Ryan Mark

Axis 2

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

Axis 3

Champions @Kenneth Francis (Deactivated) @Conall Kingshott (Deactivated) Updates Started assembly, found fasteners Blockers Weekly Retrospect Weekly Targets Machine part P0061 @Zia Formuly (Deactivated) Machine part P0240 @Conall Kingshott (Deactivated) Touch base on assembly plan @Austin Tailon Huang (Deactivated)@Kenneth Francis (Deactivated)@Conall Kingshott (Deactivated) Start assembly! @Kenneth Francis (Deactivated)@Conall Kingshott (Deactivated)

Axis 4

Champions @Gavin Mesz (Deactivated) @Arlo Symons (Deactivated) 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) 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) (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 (Deactivated) 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) Determine if we can machine CNC’d parts in house @Medina Colabrese (Deactivated) Machine some stuff → add specifics as bounties are posted Order boxtube @Medina Colabrese (Deactivated) Weekly Targets Order stock for MR22-A56-P0115A → @Emily Adam (Deactivated) Assemble the back half of Axis 5/6

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) Weekly Targets Integrate feedback from design review @Thomas Valer (Deactivated) 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 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 (Deactivated) 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 (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 New task - ebox layout! @Austin Tailon Huang (Deactivated) for more details Model finished - just needs to be printed Blockers Insert blockers here 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)

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 Current state of gripper: one part from KHK missing still → being worked on needs encoder bolted to the back Then done Blockers No current blockers Weekly Retrospect (link previous weeks updates here) Determine estimated arrival date of Misumi parts @Austin Tailon Huang (Deactivated) Determine current state of gripper, figure out what needs to get done @Max Apitz-Grossman (Deactivated) Weekly Targets Assemble the gripper @zia formuly

End Effector - High Level Goals

Active Goals

Assemble end effector
Move completed goals here

Gimbal/Vision - Updates

Champions @Simon Gorbet (Deactivated) Updates Still gathering info before I start the design Unrelated but Asha reminded me to add print tolerance configurations to 3d printed science mounts Blockers Need to know more about what goes on comm stand Weekly Retrospect Weekly Targets @Simon Gorbet (Deactivated) come up with concept for redesign/mount Ask jasmine about comms stand @Max Apitz-Grossman (Deactivated)

Wrist Camera

Champions @Chanpakorn Chaiklahan Updates Wrist mount camera design is finalized! Any other updates 😉 Blockers Insert blockers here Weekly Retrospect Weekly Targets Print wrist camera parts @Medina Colabrese (Deactivated) Find blackfly camera @Chanpakorn Chaiklahan

Gimbal/Vision - High Level Goals

Active Goals

Rework gimbal parts
Assemble reworked gimbal
Finish wrist camera mount design
Fabricate wrist camera
Move completed goals here

LED Matrix - Updates

Champions Olivia Zheng Updates Digging up information about where and how it was mounted in the past Blockers Insert blockers here Weekly Retrospect (link previous weeks updates here) Weekly Targets Assess state of current LED matrix (put owner) Determine any necessary reworks to install on current rover (put owner)

LED Matrix - High Level Goals

Active Goals

Rework old LED matrix
Install LED matrix on new rover
Move completed goals here

Battery Mount - Updates

Champions @Olabisi Sanusi (Deactivated) Updates Design finalized - ready to machine Blockers Insert blockers here Weekly Retrospect Weekly Targets

Battery Mount - High Level Goals

Active Goals

Finalize design of new battery mount
Fabricate battery mount
Install battery mount on new rover
Move completed goals here

E-Stop - Updates

Champions @Arlo Symons (Deactivated) Updates Cad is done 3D printed Blockers I ordered the wrong bolts from EMS Weekly Retrospect Weekly Targets get bolts

E-Stop - High Level Goals

Active Goals

Install E-stop on rover Mar 12, 2022
Move completed goals here

Comms - Updates

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.
Champions 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.

Comms - High Level Goals

Active Goals

Verify capabilities of comms station
Determine if antennae position rework is necessary
Move completed goals here

Other Updates

  • Please do not forget to do the member registration

  • Bay safety updates? @Allen Loukiantchenko (Deactivated)

NEW TASKS:

Roles to be assigned:

  • Science: Elevator Module

  • Science: Test Tube Module

  • Comms. verification + potential rework