Pneumatic Cylinder Force Calculator

Inputs

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Inside cylinder bore / piston diameter.
mm
Rod diameter. Retract force uses piston area minus rod area.
mm
Working air pressure. 0.6 MPa is 6 bar, about 87 psi.
bar
Allowance for seal friction and losses. Use 100 for theoretical force.
%
Choose which force to highlight.

Results

Default result
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Selected force(F)
1,060N
Pass

1.06 kN · 238.4 lbf

Extend stroke uses full piston area.

Also computed

Extend force(F_ext)1,060N

1.06 kN · 238.4 lbf

Full piston area.

Retract force(F_ret)890.6N

0.8906 kN · 200.2 lbf

Piston area minus rod area.

Equivalent mass(F/g)108.1kg

Static vertical mass equivalent before application safety factors.

Piston area(A_p)1,963mm²

Annulus area(A_a)1,649mm²

Method notes 2 notes
  • Force uses gauge pressure times effective area, then multiplies by the entered efficiency allowance.
  • Real pneumatic sizing also needs speed, valve flow, pressure drop, cushioning, side load, friction, load orientation and a safety factor.

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