Pneumatic Air Cylinders - Force Exerted Calculator
Pneumatic air cylinders - air pressure and force exerted
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Single Acting Cylinder
The force exerted by a single acting pneumatic cylinder can be expressed as
F = p A
= p π d2/4 (1)
where
F = force exerted (N)
p = gauge pressure (N/m2, Pa)
A = full bore area (m2)
d = full bore piston diameter (m)
Single Acting Cylinder Calculator - Output Stroke
Calculate Force when Pressure and Diameter are known.
Calculate required Diameter when Force and Pressure are known.
Calculate required Pressure when Force and Diameter are known.
Example - Single Acting Piston
The force exerted by a single acting pneumatic cylinder with 1 bar (105 N/m2) and full bore diameter of 100 mm (0.1 m) can be calculated as
F = p π d2/4
= 105 (N/m2) π (0.1(m))2 / 4
= 785 N = 0.785 kN
Air Cylinder - Pressure/Force Diagram
SI-units
Imperial Units
Double Acting Cylinder
The force exerted by double acting pneumatic cylinder on outstroke can be expressed as (1). The force exerted on instroke can be expressed as
F = p π (d12 - d22) / 4 (2)
where
d1 = full bore piston diameter (m)
d2 = piston rod diameter (m)
Double Acting Cylinder Calculator - Input Stroke
Calculate Force when Pressure and Diameter are known.
Calculate required Diameter when Force and Pressure are known.
Calculate required Pressure when Force and Diameter are known.
Example - Single Acting Piston
The force exerted from a single acting pneumatic cylinder with 1 bar (105 N/m2), full bore diameter of 100 mm (0.1 m) and rod diameter 10 mm (0.01 m) can be calculated as
F = p π (d12 - d22)/4
= 105 (N/m2) π [(0.1(m))2 - (0.01(m))2]/ 4
= 778 N = 0.78 kN
As we can se the instroke capacity are reduced compared to the outstroke capacity.
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