Velocity Control of Spring Loaded Mechanisms

Springs provide motive force to a mass at the expense of continuously increasing velocity. Airpot damping develops an opposing force to limit this velocity to a desired value.

Application Examples

In laser equipment (as shown below), a push damp Airpot controls a mirror as it swings into position. The Airpot damping increases as the mirror approaches a stop, allowing rapid positive positioning without loud noise or impact damage.

In automatic mailing and addressing equipment it regulates the positioning mechanisms and feed roller pressure.

In spring loaded doors, x-y slides, and tape cartridge carriers it prevents damage on release.

velocity control spring loaded

To View the Best Model’s Data Sheet: In the chart below CHOOSE a Damping Direction and CLICK on a Model that offers a force equal to or greater than the MAXIMUM Force in your application.


MODEL 2K56 2K95 2K160 2K240 2K325 2K444
BORE (inches) 0.22 0.366 0.627 0.945 1.281 1.75
(Starting from fully retracted position)
0.5 1.4 4 9 17 30
(Starting from fully extended position)
0.35 1 3 7 13 24
**Note: Best performance for each model will be achieved at or below input forces shown above. Maximum force capability is higher and is based on % of available volume displaced.

more detail

Click here to learn more about Damping Direction.

Click here to learn more about Force.

Click here to see specifications summary for all models.

Airpot offers four product families in our line of customizable pneumatic actuator.

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