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  #1   Report Post  
Posted to rec.woodworking
jj
 
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Default Vacuum veneer pump

I have some veneer projects in the queue that will need the services of
a vacuum pump. I'm not really interesting in building one. What are some
mfgs to look at. Any suggestions?

Thanks in advance.

  #2   Report Post  
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Art Greenberg
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 07:16:41 -0700, jj wrote:
I have some veneer projects in the queue that will need the services of
a vacuum pump. I'm not really interesting in building one. What are some
mfgs to look at. Any suggestions?

Thanks in advance.


http://www.vacuum-press.com/
http://www.vacupress.com/
http://www.vac-u-clamp.com/

--
Art

  #3   Report Post  
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Teamcasa
 
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Default Vacuum veneer pump


"jj" wrote in message ...
I have some veneer projects in the queue that will need the services of a
vacuum pump. I'm not really interesting in building one. What are some mfgs
to look at. Any suggestions?

Thanks in advance.

Check around auto repair shops. Many have older R12 vacuum pumps they no
longer use. I picked up two for $20.

Dave



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  #4   Report Post  
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jj
 
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Default Vacuum veneer pump

Thank you for much for the info.

jj
  #5   Report Post  
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Leon
 
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Default Vacuum veneer pump


"jj" wrote in message ...
I have some veneer projects in the queue that will need the services of a
vacuum pump. I'm not really interesting in building one. What are some mfgs
to look at. Any suggestions?

Thanks in advance.



www.joewoodworker.com




  #6   Report Post  
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Pat Barber
 
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Default Vacuum veneer pump

The cheaper version : http://www.woodcraft.com/family.aspx?familyid=5200
or
http://www.woodcraft.com/family.aspx?familyid=5086


jj wrote:

I have some veneer projects in the queue that will need the services of
a vacuum pump. I'm not really interesting in building one. What are some
mfgs to look at. Any suggestions?

Thanks in advance.

  #7   Report Post  
Posted to rec.woodworking
Art Greenberg
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 19:51:15 GMT, Pat Barber wrote:
The cheaper version : http://www.woodcraft.com/family.aspx?familyid=5200
or
http://www.woodcraft.com/family.aspx?familyid=5086


The electric one looks OK, and its a good price. A couple of things I think
you give up, relative to the costlier systems, are (1) the pump runs
continuously, and that noise might be a concern; (2) it is a small pump, and
it will take a long time to pump down a large bag & fixture.

I wouldn't take the hand-operatoed version seriously for anything other than
simple veneering of small work using PVA glue. Aside from the obvious
difficulty pumping down a larger bag & fixture, the fact is that no system is
entirely leak-free, so an application using a slow setting adhesive would mean
you have to periodically pump down the bag.

I built my system using parts purchased from joewoodworker.com, and have a
system with decent capacity (a 4x8 bag and large bending form is no problem)
using a regulated pump for about the cost of the pump & bag from Woodcraft.
The OP didn't say what his application is, but he did say that he didn't want
to build.

--
Art

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Leon
 
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Default Vacuum veneer pump


"Art Greenberg" wrote in message
...

I built my system using parts purchased from joewoodworker.com, and have a
system with decent capacity (a 4x8 bag and large bending form is no
problem)
using a regulated pump for about the cost of the pump & bag from
Woodcraft.



Are you using the ventura system that runs off of a compressor?


  #9   Report Post  
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Art Greenberg
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 20:54:26 GMT, Leon wrote:

Are you using the ventura system that runs off of a compressor?


No, I'm using a vacuum pump. Photo of the assembled unit at
http://www.artg.tv/images/vacuum-pump-3.jpg

--
Art

  #10   Report Post  
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Art Greenberg
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 13:56:01 -0700, pe wrote:

I have to disagree with this, at least related to some vacuum bags. My SO
has that vacuum storage system you see on the Home Shopping network.
http://www.comforthouse.com/spacebag.html She has a couple that have
stayed fully 'vacuum packed' for over two years. Some leak some don't.


Hardly the same amount of vacuum used in a press. Much easier to keep a seal.

--
Art


  #11   Report Post  
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Wes Stewart
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 21:26:14 -0000, Art Greenberg
wrote:

On Tue, 09 May 2006 13:56:01 -0700, pe wrote:

I have to disagree with this, at least related to some vacuum bags. My SO
has that vacuum storage system you see on the Home Shopping network.
http://www.comforthouse.com/spacebag.html She has a couple that have
stayed fully 'vacuum packed' for over two years. Some leak some don't.


Hardly the same amount of vacuum used in a press. Much easier to keep a seal.


Really?

The pressure developed by the vacuum bag is the result of creating a
pressure differential between the inside and outside of the bag.

The pressure outside the bag is ~14.7 lb/in^2 (psi) at standard
temperature at sea level. The absolute maximum pressure the bag can
develop is 14.7 psi regardless of how good the vacuum is inside the
bag. Sucking harder can't make it better.

So if you have a partial vacuum that leaves a residual pressure inside
the bag of 0.1 psi is this really a big deal? Is the veneer going to
lay flatter with an additional 0.1 psi?

And is it really that much easier to keep the bag sealed against a
differential of 14.6 psi than it is 14.65 psi?

  #12   Report Post  
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Art Greenberg
 
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Default Vacuum veneer pump

On Tue, 09 May 2006 15:00:49 -0700, Wes Stewart wrote:
Really?


Perhaps you misunderstood. My point is that the common storage bags, emptied
by a household vacuum cleaner, do not achieve the level of vacuum as is
employed in a veneer press (by at least a factor of 2 or 3), and at the lower
inside/outside differential, it is easier to maintain that partial vacuum.

--
Art

  #13   Report Post  
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no(SPAM)vasys
 
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Default Vacuum veneer pump

jj wrote:
I have some veneer projects in the queue that will need the services of
a vacuum pump. I'm not really interesting in building one. What are some
mfgs to look at. Any suggestions?

Thanks in advance.


Gast Rotary Vane

http://www.gastmfg.com/rotaryvane.html

Check E-Bay or ping Bill Noble over at "rec.crafts.woodturning. Bill
normally has a few used ones for sale. His web site is:

http://www.wbnoble.com/

--
Jack Novak
Buffalo, NY - USA

(Remove -SPAM- to send email)
  #15   Report Post  
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Robatoy
 
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Default Vacuum veneer pump

In article ,
pe wrote:

It pretty easy to see why the group has gone for a complete ****.


Yea, right. Now you're trying to take the high road. Fat chance, ****wit.


  #16   Report Post  
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jj
 
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Default Vacuum veneer pump

Art Greenberg wrote:
On Tue, 09 May 2006 07:16:41 -0700, jj wrote:
I have some veneer projects in the queue that will need the services of
a vacuum pump. I'm not really interesting in building one. What are some
mfgs to look at. Any suggestions?

Thanks in advance.


http://www.vacuum-press.com/
http://www.vacupress.com/
http://www.vac-u-clamp.com/

Hey Art. See you are a scuba diver. We have a lot in common. I have 600
dives myself mostly in and around Puget Sound. Give me a ping at (remove
spaces and reconstruct -- damn spam)

s c u b a . j o h n
AT
c om c a s t . c o m
  #17   Report Post  
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jj
 
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Default Vacuum veneer pump

Unfortunately this not a moderated group, meaning everyone has access.
Worthy individuals as well as losers. Just get a good news reader that
has good filter functions. I just ignore the losers and appreciate the
worthy individuals that take time to reply in a thoughtful manner.
  #18   Report Post  
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Upscale
 
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Default Vacuum veneer pump

wrote in message

The problem is the Wreck circle jerk of losers like Upscale and

Balderstoned
have driven almost every truly knowledgeable woodworker out of this group

with
their trolling.


Funny how it's just you that is being trolled. I wonder why that could be?


  #19   Report Post  
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Dave Balderstone
 
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Default Vacuum veneer pump

In article , Upscale
wrote:

Funny how it's just you that is being trolled. I wonder why that could be?


I got bored with him a couple of weeks ago... He's too small to bother
with.
  #20   Report Post  
Posted to rec.woodworking
Leon
 
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Default Vacuum veneer pump


"Upscale" wrote in message
...
wrote in message

The problem is the Wreck circle jerk of losers like Upscale and

Balderstoned
have driven almost every truly knowledgeable woodworker out of this group

with
their trolling.


Funny how it's just you that is being trolled. I wonder why that could be?



Does not have a good news reader? :~)




  #21   Report Post  
Posted to rec.woodworking
Art Greenberg
 
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Default Vacuum veneer pump

On Wed, 10 May 2006 09:49:43 -0700, jj wrote:
Hey Art. See you are a scuba diver. We have a lot in common. I have 600
dives myself mostly in and around Puget Sound. Give me a ping at (remove
spaces and reconstruct -- damn spam)

s c u b a . j o h n
AT
c om c a s t . c o m


Tried and bounced. Try sending me a note at . Only one
eclipse.

--
Art

  #23   Report Post  
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jj
 
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Default Vacuum veneer pump

pe wrote:
On Wed, 10 May 2006 13:09:20 -0700, jj wrote:

Unfortunately this not a moderated group, meaning everyone has access.
Worthy individuals as well as losers. Just get a good news reader that
has good filter functions. I just ignore the losers and appreciate the
worthy individuals that take time to reply in a thoughtful manner.


The problem is the Wreck circle jerk of losers like Upscale and Balderstoned
have driven almost every truly knowledgeable woodworker out of this group with
their trolling. It's a joke now.

BTW. A newsreader that has good filtering is Agent found at
http://www.forteinc.com/main/homepage.php. When one of the
bottom feeders pops up in the newsreader add them to your kill file
and you don't have to bother with their dribble.

Just remember the saying, "You can never win an argument with an
ignorant individual." They will not be smart enough to know they have
lost and will go on and on........

So, again let me thank the ones that do contribute.
  #24   Report Post  
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Dave Balderstone
 
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Default Vacuum veneer pump

In article , jj wrote:

These people are under the mistaken premise that they are
anonymous, but THEY CAN BE TRACKED DOWN and dealt with in an
appropriate manner.


Like, for instance, by calling tech contact Stuart Kendrick
(1-206-667-6974) and asking him about the Fred Hutchinson Cancer
Research Center net use policy, particularly from IP address
140.107.151.95?

And, is your mail stop J3-400?
  #26   Report Post  
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Enoch Root
 
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Default Vacuum veneer pump

Dave Balderstone wrote:
In article , jj wrote:


These people are under the mistaken premise that they are
anonymous, but THEY CAN BE TRACKED DOWN and dealt with in an
appropriate manner.



Like, for instance, by calling tech contact Stuart Kendrick
(1-206-667-6974) and asking him about the Fred Hutchinson Cancer
Research Center net use policy, particularly from IP address
140.107.151.95?

And, is your mail stop J3-400?


I suggest you read his post again, if you think he's trolling you.

er
--
email not valid
  #27   Report Post  
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Enoch Root
 
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Default Vacuum veneer pump

Enoch Root wrote:
Dave Balderstone wrote:

In article , jj wrote:



These people are under the mistaken premise that they are
anonymous, but THEY CAN BE TRACKED DOWN and dealt with in an
appropriate manner.



Like, for instance, by calling tech contact Stuart Kendrick
(1-206-667-6974) and asking him about the Fred Hutchinson Cancer
Research Center net use policy, particularly from IP address
140.107.151.95?

And, is your mail stop J3-400?



I suggest you read his post again, if you think he's trolling you.


Hmm. On second thought, I take that back.

er
--
email not valid
  #28   Report Post  
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Dave Balderstone
 
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Default Vacuum veneer pump

In article , Enoch
Root wrote:

Hmm. On second thought, I take that back.


I find it amusing that he seems to think I post under some illusion of
anonymity, considering I use my real name and own my domain.
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