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Hydraulic Cylinder Force

F = P × A - cylinder extend/retract force from pressure and piston area.

Hydraulics
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Formula, assumptions, and limits

Fext=Pπ4D2,Fret=Pπ4(D2d2)F_\text{ext} = P \cdot \tfrac{\pi}{4} D^2, \quad F_\text{ret} = P \cdot \tfrac{\pi}{4}(D^2 - d^2)
SymbolMeaningUnit
PPWorking pressurebar → Pa
DDCylinder boremm
ddRod diametermm

Source: ISO 6020/6022 - Hydraulic cylinders

In short

F = P \u00d7 A - cylinder extend/retract force from pressure and piston area.

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