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Hi Joe
I am allso building a k350 and I am planning to fit
a lightweight manipulator arm similar to an excavator arm very simple
design with hydraulic flow powered by compressed air it will be fitted
with a quick tool change system(quick hitch)so if the grab gets snagged the
hydraulic jaw which holds the tool can be released which would automatically
happen if the pipe was severed in any way.Go into excavator sites and then
downscale.
All the best
Glen
----- Original Message -----
Sent: Sunday, October 05, 2008 4:48
AM
Subject: RE: [PSUBS-MAILIST] Manipulator
actuation / design
"....Also any places to see a simple manipulator design?...."
Hugh,
I can't speak to the dump mechanism but, the robotics link I provided in my original post
has an excellent tutorial on the subject.
Joe
>
From: hc.fulton@gmail.com
> To:
personal_submersibles@psubs.org
>
Subject: RE: [PSUBS-MAILIST] Manipulator actuattion / design
> Date:
Sun, 5 Oct 2008 12:51:17 +1300
>
> Phil, Where can we get info on
the dump mechanism. Sounds a must. Also any
> places to see a simple
manipulator design? Hugh
>
>
> -----Original
Message-----
> From: owner-personal_submersibles@psubs.org
>
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Phil
Nuytten
> Sent: 05 October 2008 12:33
> To:
INTERNET:personal_submersibles@psubs.org
> Subject: [PSUBS-MAILIST]
Manipulator actuattion / design
>
> Hey, Joe!
> There are
lots of designs for small sub/rov manips out there - the
> kinematics
are generally similar to all. One design feature which seems to
> be
often overlooked in home-builts is the ability to jettison the arm if
it
> becomes jammed, tangled, or otherwise inextricable from the work.
This is
> pretty simple with hydraulics (you use a simple manual
hydraulic pump to
> dump the manip) but not as simple with electric
manip. - You might want to
> condsider an electo/hydraulic hybrid that
eliminates solenoid valves and
> conventional hydraulic pumps Whatever
design you go with, make absolutely
> sure you can drop the manip if you
have to- better the arm should 'sleep
> with the fishes' than
you!
> Phil
>
>
>
>
>
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