Subject:
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Re: pneumatic cylinder: why not hydraulic ??
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 7 Apr 2004 08:54:27 GMT
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Viewed:
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2602 times
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purpledave@maskofdestiny.com (Purple Dave) wrote in
<HvrHn0.Cpw@lugnet.com>:
> I can think of a few concerns that would need to be answered before
> using a pneumatic cylinder as a hydrolic cylinder:
I'd add
7. if you used hydraulics, a cylinder would extend or retract fully with
one stroke of the pump. The resistance the cylinder encounters is
transmitted to the pump in full. Couple that with the resistance of the
fluid itself (not insignificant for the small diameters we're talking
about)...
You also couldn't use compressors anymore.
--
Harro de Jong
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Message has 1 Reply:
 | | Re: pneumatic cylinder: why not hydraulic ??
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| (...) Not necessarily. Assuming both cylinders are the same size, a full pump cylinder stroke will only result in a full working cylinder stroke if the working cylinder doesn't have significantly more resistance than the pump cylinder. If the (...) (21 years ago, 7-Apr-04, to lugnet.technic)
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Message is in Reply To:
| | Re: pneumatic cylinder: why not hydraulic ??
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| (...) I can think of a few concerns that would need to be answered before using a pneumatic cylinder as a hydrolic cylinder: 1. will the seals work properly I'd be concerned that the lubricant would get washed away by water, so the only way to (...) (21 years ago, 6-Apr-04, to lugnet.technic)
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