[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PSUBS-MAILIST] Nuytco sub observations
Jon:
The advantages of using pressed sections from a single die are exactly as
Alex points out. If the press is big enough and the metal soft enough, there
is no requirement for the segments to be heated. The thinning is negible and
the sphericity (critical for agency classing) is well controlled. The
male/female die sections can be much smaller in area than the finished
segment - the segment (usually circular) is pressed and rotated/shifted and
pressed again until the entire piece conforms to the female section curve.
We use a similar process for the small sphere of the DeepWorker. The plate
is cut into cicles, pressed into semi-spheres (sectors of a sphere) and then
cut into 'fat squares) in a precision jig and put together much like a
soccer ball. As far as I'm aware, Nuytco is the only sub builder that does
it this way, since it is more labor intensive and requires a precise cut
from the domed sectors - but the result is a perfectly aligned set of
segments to form a sphere.
Phil
----- Original Message -----
From: "Alex" <spm2@nomad.ignorelist.com>
To: <personal_submersibles@psubs.org>
Sent: Friday, January 08, 2010 7:17 AM
Subject: RE: [PSUBS-MAILIST] Nuytco sub observations
It looks like that spehrical section is both pressed and welded. That's the
best of both worlds. The spherical end is not too big to where metal
thinning
is a a problem. And the welded sections look like they were made on the same
press to match the same sphere. That way everything fits together perfectly,
and only a few sections are needed!
Alex
On 11-Oct-2009 Jon Wallace wrote:
2) I noticed that the back head on Phils newest sub ( click this link
http://www.psubs.org/convention/2009/photos/jonw/800/DSCN0773.JPG ) is
segmented rather than pressed from a single blank of steel. I remember
Phil talking about this but don't recall the benefit of using segments.
I've been looking at Prescor in Tulsa Oklahoma who heat steel blanks and
then press them into the correct shape with a die. Is there any reason
this is not as viable as a segmented head?
Jon
************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003. Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.
If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
removeme-personal_submersibles@psubs.org
Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.
PSUBS.ORG
PO Box 53
Weare, NH 03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************
--
Mailed with XFmail on 17-Oct-2009.
God saved Noah, but Noah had to build an ark!
************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003. Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.
If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
removeme-personal_submersibles@psubs.org
Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.
PSUBS.ORG
PO Box 53
Weare, NH 03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************
************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003. Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.
If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
removeme-personal_submersibles@psubs.org
Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.
PSUBS.ORG
PO Box 53
Weare, NH 03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************