2.6 KiB
Executable File
2.6 KiB
Executable File
| author | date | title | tags | |||
|---|---|---|---|---|---|---|
| Alvie Rahman | \today | Applied Technology |
|
talking to der
```
yes
this guy looks familiar
i think i've seen him at US before
or maybe brighton uni
why don't they just do things in metres
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why is engine so cold icy engine 🥶
eliot dinner on head?
:nauseated: :face_vomitting:
:der_pac:
:alv.cx:
:fortnitechug:
:rowwiep:
:twinightcreep0:
:zalmon:
:poo_eater:
:snappy_gator36:
:lefbt:
:daniel:
:jrbignon:
:xenethar:
:choccho:
:tirion_lewis:
:benfh003:
:chickenninja95:
:@everyone:
:@everyone: :@everyone: :@everyone: :@everyone: :@everyone: :@everyone: :@everyone: :@everyone: :@everyone: :@everyone:
:@Sergeant Sploinko vc:
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|____| \__\ oblox
vin i am so hungry
</details>
# Gears
- pinion in gear pair is small one
- there are two important stresses in gears: bending and contact stresses
$$\sigma = \frac{W_t}{K_vFmY}$$
where $K_v = \frac{6.1}{6.1+V}$, $W_t = \frac P V$ is transmistted load, $F$ is face width, $m$ is
module, $Y$ is Lewis factor
where $V$ is pitch line velocity
## Gear Trains
A gear train is a collection of two or more gears.
This is used to go beyond the typical limit of two meshing gears (~10:1).
### Simple Gear Train
The train ratio of a simple gear train is always $\frac{N_{input}}{N_{output}}$.
An idler gear may be used to change rotation of the output shaft.
### Compound Gear Trains
Having parallel arrangements leads to the intermediate gears not being cancelled out.
A general formula is
$$m_y = \frac{\Pi N_{driver}}{\Pi N_{driven}}$$
# Belts
flexible and quiet but vulnerable to environmental conditions