Push / pull force of a hydraulic cylinder given working pressure, bore and rod diameter - the fundamental cylinder sizing equation.
Formula
$$ F_{push} = p \cdot \frac{\pi D^2}{4}, \quad F_{pull} = p \cdot \frac{\pi (D^2 - d^2)}{4} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $D$ | Bore (piston) diameter | m | cylinder datasheet |
| $d$ | Rod diameter | m | cylinder datasheet |
| $p$ | Working pressure | bar | relief valve / gauge |
Sources
- ISO 6020 / 6022 - Hydraulic Cylinders.