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#1
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picture/diagram of controllable single/double
does anyone have picture or diagram of the controllable actuator system, using a single to control air to the double?
i have tried following the text instructions i have searched however none seem it do it. |
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#2
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Re: picture/diagram of controllable single/double
Sorry to bring this back up but does any one out there have this digram or a link to it
Thanks |
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#3
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Re: picture/diagram of controllable single/double
It looks basically like this
Code:
-------- EA ---------- EA
| |------\ P | |-------| (plug)
Pressure In-----| DS | EB |--------| SS | EB
| |------/ | |-----> (open to atmosphere)
-------- ----------
| | A| B|
A| B | \__/
------|=======|
Last edited by Racer26 : 18-03-2008 at 08:48. |
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#4
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Re: picture/diagram of controllable single/double
An alternative is to just buy the correct solenoid valve to allow for mid-cycle positions called a "Three-position pressure center" valve. The spec sheet is here. Look at valve type SY3520-6H, for example.
Don |
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#5
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Re: picture/diagram of controllable single/double
That works too, under the current rules. The system I laid out above, and personally devised in ~2004 (maybe not the first to do so, but I did it on my own) works with exclusively KOP parts, and I would argue can be made better (with addition of a couple other components) than a center off valve, as far as stability/accuracy goes.
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