2022-03-29 Mechanical Meeting Minutes

Champions

• Emily Adam

Updates

• Assembled differential bar, suspension, and some of the wheel modules on to the chassis

Blockers

• Missing parts for the remaining wheel assemblies

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

• New wheel hubs need to be printed

Weekly Retrospect

• Finish WHOLE drivetrain assembly! 26 Mar 2022

Weekly Targets

• Finish WHOLE drivetrain assembly! 03 Apr 2022

Champions

• Asha Mills Emmett

Updates

• Assembled A0030 until we ran out of McMaster-Carr brackets → Chan, Josh, Zia, Elizabeth!

Blockers

• Missing McMaster Carr brackets (Emily only bought half of what was needed 🤡) → anyone need anything?

• Need to print the remaining 3/6 set of hubs

Weekly Retrospect

• Army print remaining wheel hubs in PETG Asha Mills Emmett25 Mar 2022
• Print new test encoder housing Emily Adam25 Mar 2022
• Assemble remaining encoders to motors Emily Adam26 Mar 2022
• Print spacers, P0287, P0288 Asha Mills Emmett, 25 Mar 2022
• Finish assembly!! 26 Mar 2022

Weekly Targets

• Print new test encoder housing Emily Adam01 Apr 2022
• Assemble remaining encoders to motors Emily Adam01 Apr 2022
• Finish assembly!! 03 Apr 2022
• Army print remaining wheel hubs in PETG Asha Mills Emmett03 Apr 2022
• Replace fasteners mounting gearboxes to P0106 with flathead screws Emily Adam01 Apr 2022
• Cut wheel hub keys to length Chanpakorn Chaiklahan03 Apr 2022

Champions

• Andrew Tersigni (Deactivated) Chanpakorn Chaiklahan

Updates

Blockers

• N/A

Weekly Retrospect

(link previous weeks updates here)

• Waterjet plate sorted out (P0096) Emily Adam26 Mar 2022

Weekly Targets

• Cut comms stand plate with Olabisi’s battery mount plate Emily Adam

Champions

• Emily Adam

Updates

• Fully assembled! (minus some jam nuts)

Blockers

• Pick up EMS fasteners Emily Adam

Weekly Retrospect

• Finish P0028 (tap remaining two holes) Emily Adam26 Mar 2022

Weekly Targets

• Add jam nuts on either side of the turnbuckles Emily Adam01 Apr 2022

Champions

• Max Apitz-Grossman

Updates

• Added to the chassis

Blockers

• Pick up EMS fasteners Emily Adam

Weekly Retrospect

• Create tracking page for build notes/observations (investigate why one side is more rigid than the other) 12 Mar 2022Max Apitz-Grossman
• Add spacer for messed up P0106 side → Emily Adam22 Mar 2022

Weekly Targets

• Add missing fasteners onto plates Emily Adam01 Apr 2022

Champions

• Austin Tailon Huang

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 Huang24 Mar 2022
• Create tracking pages on confluence to store build notes, progress pics, photos and observations Austin Tailon Huang24 Mar 2022
• Develop joint level testing plans Austin Tailon Huang28 Mar 2022 - INCOMPLETE

Weekly Targets

• Get status update from Axis owners Austin Tailon Huang31 Mar 2022
• Document fit class mis-spec in 2022 Arm - Build NotesAustin Tailon Huang31 Mar 2022
• Develop joint level testing plans Austin Tailon Huang04 Apr 2022

Champions

• Ryan Mark

Updates

• Began assembling axis

• Messed up epoxy order for part - worm gear was flipped when bonded to shaft

Blockers

• Epoxy issue

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 HuangRyan Mark08 Mar 2022
• Touch base with Austin to figure out what fasteners were replaced Austin Tailon HuangRyan Mark04 Mar 2022
• Discuss assembly of Axis 1 and order of operations
• Check the fit class for aluminum shaft and bearing to make sure it is proper Austin Tailon Huang23 Mar 2022

Weekly Targets

• Begin and hopefully finish assembly now that everything is done 26 Mar 2022Ryan Mark
• Rework worm gear / shaft assembly 08 Apr 2022Ryan Mark
• Order replacement worm gear 29 Mar 2022Austin Tailon Huang

Champions

• 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 Huang08 Mar 2022

Weekly Targets

• Allocate machining tasks Ryan ChanElizabeth Jung12 Mar 2022
• Sync-up on part tracker to create full list of outstanding tasks and parts Ryan ChanElizabeth Jung10 Mar 2022
• Host short meeting to touch base on assembly and next steps Ryan ChanElizabeth Jung10 Mar 2022
• Machine waterjet parts, large L bracket, find all OTS items

Champions

• Kenneth Francis

• Conall Kingshott

Updates

• Assembly ongoing

Blockers

• Free time

Weekly Retrospect

• Machine part P0061 Zia Formuly12 Mar 2022
• Machine part P0240 Conall Kingshott12 Mar 2022
• Touch base on assembly plan Austin Tailon HuangKenneth FrancisConall Kingshott10 Mar 2022
• Start assembly! Kenneth FrancisConall Kingshott13 Mar 2022
• Check bolts for folded part Austin Tailon Huang23 Mar 2022 - ordering a box

Weekly Targets

• Continue working on assembly Conall Kingshott
•  

Champions

• Gavin Mesz Arlo Symons

Updates

• Was not able to finish assembly 12 due to blockers below

• I believe the hex heads are in the shop now (need confirmation if it was ordered), otherwise using socket heads for now

• Not much else done due to final burst of schoolwork

Blockers

• Final Exam Study fun

• Transmission hub’s (P0247) dimensions off a little bit, very hard to press fit into the face mounted bearing (needs small amount of sanding and a chamfer on the edge)

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

  • Dont need to order hex heads right now (no rush)

  • Wondering if this is still a blocker (mentioned in updates

Weekly Retrospect

Weekly Targets

• Finish assembly 12 and start assembly 48 (48 is top of below and 12 is bottom) 22 Mar 2022

Champions

• Medina Colabrese Charmaine Chun Olivia Zheng

Updates

• Some more machining done (thank you to everyone who helped :) (learning to use the HH Roberts!)

• Bushings and fasteners came in so all OTS parts are here now

Blockers

• P0115A - EMS guys said they’d get to it this week

Weekly Retrospect

• Make P0080 drawing Charmaine Chun08 Mar 2022
• One machined already
• Stock given to Brian for P0115A

Weekly Targets

• Finish machining P0064, P0065, P0066, P0025, P0080A, and the new bushings (Medina ColabreseOlivia Zheng @nick)
• Assembly for both halves planned for this weekend

Champions

• Thomas Valer

Updates

• All changes are made

• Meet this week to review?

Blockers

• No blockers

Weekly Retrospect

• Meet to review design and discuss next steps Austin Tailon HuangThomas Valer03 Mar 2022

Weekly Targets

• Integrate feedback from design review Thomas Valer11 Mar 2022
• Final review once changes are made

Champions

• Max Apitz-Grossman

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 15 Mar 2022
• all ems fasteners ordered, going to hold back on mcmaster/other sources for the niche bolts until we have more to order

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
• Find all parts and make sure they have been machined Zia Formuly
• Assemble drill bit module Zia Formuly

Champions

• Ronald

Updates

• Rearranging sensors positioning so they don’t interfere with anything. And making sure they can be held properly.

• Gotta find the sensors

Blockers

• Bit busy with school. Slow progress is all.

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

• Insert progression target for the week, with owner.

Champions

• Chanpakorn Chaiklahan

Updates

• Completed assembly drawings

• A0034 fixed

• Assembly partially done

  

Blockers

• A0034 does not sit well on the frame
  

  

  • the extension part at the bottom is too wide

  • might have to file it down or lightly hammer it in

• 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

Champions

• Ryan Mark

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

^what does this mean?- Ryan

• Finished 3D printing remaining two parts (quite big the parts!)

Blockers

• One of parts did not fully print (98% of way in effect)

• Need assembly drawings done

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

• Assembly drawings

Champions

• Taim

Updates

• Nothing built yet

• Assembly drawings done (need to get reviewed)

Blockers

• Missing fasteners, socket head fasteners interfere within the brackets

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

• Create drawings for all t-slot extrusion sub-assemblies

Champions

• Thomas Valer

Updates

• Talked about model changes, gonna print existing files and test them to see where to go

Blockers

• Insert blockers here

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

• Meet to do final review of ebox mounting Emily AdamThomas ValerAustin Tailon Huang02 Mar 2022

Champions

• @zia formuly

Updates

• Current state of gripper:

  • one part from KHK missing still → being worked on

  • Need encoder

Blockers

• No current blockers

Weekly Retrospect

(link previous weeks updates here)

• Determine estimated arrival date of Misumi parts Austin Tailon Huang07 Mar 2022
• Determine current state of gripper, figure out what needs to get done Max Apitz-Grossman05 Mar 2022

Weekly Targets

• Assemble the gripper @zia formuly 15 Mar 2022

Champions

• Simon Gorbet

Updates

• Sorry couldn’t make it to today’s meeting

• I talked with Andrew Tersigni (Deactivated) about the top comms plate and he did confirm that the holes on the top were for mounting the gimbal

  • the mounting method Andrew made is essentially the same as what I was thinking so don’t think any changes need to be made

  • He also mentioned that it isn’t final as we need to decide on antenna spacing

Blockers

• Need to know more about what goes on comm stand

Weekly Retrospect

Weekly Targets

• Simon Gorbet come up with concept for redesign/mount
• Ask jasmine about comms stand

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 Colabrese08 Mar 2022
• Find blackfly camera Chanpakorn Chaiklahan05 Mar 2022

Champions

• Olivia Zheng

Updates

• Took a look at the matrix in the bay and am looking through past designs for reference/inspo

Blockers

Weekly Retrospect

(link previous weeks updates here)

Weekly Targets

• Get first design at least done by next week

Champions

• Olabisi Sanusi

Updates

• Design finalized - ready to machine

• Drawings done by sunday

Blockers

• Insert blockers here

Weekly Retrospect

Weekly Targets

Champions

• Arlo Symons

Updates

• Cad is done

• 3D printed → done

Blockers

• I ordered the wrong bolts from EMS → gotta get the right bolts

Weekly Retrospect

Weekly Targets

• get bolts08 Mar 2022

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.