Pneumatic presses was RE: Emailing: P2130064

[David Love]

Sorry, forgot to rename my photo emailer with the original message.  

 

I toyed with the idea of a screw press but since there are different length
ribs, where to locate the screws, just how many screws to put in each one,
how to make them mobile etc., how do distribute the pressure evenly and
thoroughly all convinced me that pneumatic was better.  My set consists of 6
presses of varying lengths: 1 at 5', 2 at 3', 3 at 4'.  In retrospect, I should have
built another 5 footer.  Also, I may end up switching the angle aluminum to
perforated angle struts which would have been cheaper and easier with more
options for placement of the pins for holding down the upper beam.  

 

David Love
davidlovepianos at comcast.net
www.davidlovepianos.com 

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of erwinspiano at aol.com
Sent: Wednesday, February 27, 2008 4:15 AM
To: pianotech at ptg.org
Subject: Re: Emailing: P2130064

 

Ric
As long as you can verify that your getting about 45 psi on each and every
sq.inch of you glue joint use whatever method you choose  However my fist
thin slice of this idea is not me!. & why would you wish to do this anyway?
Fire hose set ups aren't rocket science nor all that expnesive & the
confidence factor is 100%.
  David
  Beautiful.  It's nice to see your project finally achieve escape
velocity......so to speak. Well done.
  Dale







Looks real nice there David. Easy to construct and no doubt very sturdy
indeed. Good luck with them. 
 
Just as a question... one could do basically the same thing with vertical
laminated ply 2 X 4's yes ? And another thing I've been wondering about...
these pneumatic <<bars>> a lot of you guys are using over there.... Wouldnt
it be possible to just use an appropriately thick and firm cushion along
with cinch down screws on the sides to do the same job ? I realize it would
not be quite as quick... but it would work fine yes ? Or what. 
 
Cheers 
RicB 
 
 
 

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