Quote:
Originally Posted by novamx3
You can't use them to stop the stroke at a point... They are strictly for sensing when the cylinder has reached it's end of stroke (or a given point but the cylinder will still continue onto the end of stroke unless it has flow controls and is limited to a very slow travel rate.). Almost all pneumatic cylinders have 2 positions and 2 positions only (typically extended or retracted). If we could use hydraulics we would be talking about lvdts and proportional controls... Alas, it is against the rules!
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So you could control the position as long as the flow is at a very slow rate?
It's a hunch, based on engineering intuition; there are too many hard-to-quantify variables to do any accurate calculations. Looking for some experimental corroboration or refutation. - Ether [more] 
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