linear actuator for hydraulic application

[dyel1500]

I'm looking for some type of linear actuator that can handle a light load (~200lbs force max), with variable stroke (0-6") [increments aren't super important, 1/2" would still be fine], that can actuate and reverse in rapid succession (needs to make full 6" stroke within 1 second) for up to an hour.

Attempting to make a pulsatile hydraulic pump for part testing.

If anyone is aware of where to start the search or knows of suppliers please let me know.

Bonus points if you can find one that operates on 120v.

 

[EdStainless]

Why not do it with hydraulics?

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P.E. Metallurgy, consulting work welcomed

 

[dyel1500]

its for hydraulics. i have a custom built piston, setup with a complex series of valves and tubing, designed to test longevity of certain parts within the system.
i need something to actuate the piston, sometimes just under normal actuation, sometimes with complex waveforms.

 

[tygerdawg]

"variable stroke"
"complex waveforms"

A ballscrew linear actuator with properly sized stepper motor and programmable indexer/driver was the first thing that popped into my head.

TygerDawg
Blue Technik LLC
Manufacturing Engineering Consulting

http://www.bluetechnik.com