Quote:
Originally Posted by Coffeeism
If you can use a solenoid there is a substantial weight and space savings by using a solenoid to do the push/pull action you need only the solenoid itself, the relay or solenoid module to drive it. The solenoid works when a current is driven through it, a EM field pushes the actuator.
With a pneumatic system you would need the storage tank, gauges, valves, regulators etc.
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All my comments are assuming a pneumatic system is already available. Comparisons to air shifting should be done at 60 psi, not 20 psi. The solenoid wattage which was allowed in 2012 would not begin to approach the force of an air cylinder for a continuous duty solenoid. Keep in mind that solenoids are one-directional, and their "rated" force exists only in a small fraction of their total stroke.