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Jake Read
displacementexercise
Commits
0669be5d
Commit
0669be5d
authored
Sep 30, 2019
by
Jake Read
Browse files
fab step one complete, doc arriving
parent
4c60e54e
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README.md
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0669be5d
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@@ -25,29 +25,24 @@ DEX runs a [squidworks](https://gitlab.cba.mit.edu/squidworks/squidworks) contro
## Building a Displacement Exercise
#### Hardware TODOs:
-
temp. 3DP for N23-backside mount (w/ old circuits)
-
bring fixturing here
-
make queue of prints, tomorrow is JS servers + vfpt, next day is final build (route, etc)
-
to close doc:
#### Hardware Documenting TODO
-
BOM, McMaster
-
this list of bits (incl fixturing), then fusion -> repo
-
done 4 now, cut long tail
-
print:
-
5x new idlers (w/ improved bearing seat distance)
-
fixturing,
-
n23 mount
-
desktop psu (pdbs hello?)
-
CAD shuffle and export
#### P1 Assembly
-
fixturing, doc and print
-
idler and 125t drive at hearth
-
N23 backside mount
### BOM
| Part | Spec | Count | Notes | PN / Link | Cost |
| --- | --- | ---: | --- | ---: | ---: |
| Delrin (Acetal) Cast Sheet | 24x1
8
", 0.25" Thick |
1 | Advise to buy two in case of mistakes | x | x
|
| PLA 'Tough' | x | ~ 300g | Many 3DP Mechanical Bits | x |
x
|
| 625ZZ Bearings | 5x16x5mm Deep Groove Roller Bearings | 24 | x | 625ZZ
[
VXB
](
https://www.vxb.com/20-625ZZ-Shielded-5mm-Bore-Diameter-Miniature-p/625zz20.htm
)
| $
4
0 |
| Delrin (Acetal) Cast Sheet | 24x1
2
", 0.25" Thick |
2 | - |
[
McMaster 8573k35
](
https://www.mcmaster.com/8573k35
)
| $101.00
|
| PLA 'Tough' | x | ~ 300g | Many 3DP Mechanical Bits | x |
$52.00
|
| 625ZZ Bearings | 5x16x5mm Deep Groove Roller Bearings | 24 | x | 625ZZ
[
VXB
](
https://www.vxb.com/20-625ZZ-Shielded-5mm-Bore-Diameter-Miniature-p/625zz20.htm
)
| $
50.0
0 |
| Bearing Shims | - | - | - | - | - |
| Carriage Shoulders | - |
(
12
)
| - | - | - |
| Carriage Shoulders | - | 12 | - | - | - |
| Idler Shoulders | - | 5 | - | - | - |
| Reduction Shoulder | - | 1 | - | - | - |
| Feet | - | 3 | - | - | - |
...
...
@@ -66,7 +61,7 @@ DEX runs a [squidworks](https://gitlab.cba.mit.edu/squidworks/squidworks) contro
| SHCS | M3x45 | 8 | Pinning the 'squat' together | x | - | - |
| FHCS | M3x10 | x | Pinning blisters to faces, flush up and countersink | x | - | - |
| FHCS | M3x25 | ? | - | - | - |
| Dowel | 5x8mm |
?
| - |
- | -
|
| Dowel | 5x8mm |
10
| - |
[
McMaster 91585A506
](
https://www.mcmaster.com/91585a506
)
| $8.40
|
| Feet | - | - | - | - | - |
| Loadcell(s) | - | - | - | - | - |
...
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