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Ask Skinny 2......its been awhile

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Is skinny full of crap?

yeah, hes a kook!!  
27%
  [ 3 ]  27%
 
No! he knows his sh*t!  
72%
  [ 8 ]  72%
 

Total Votes : 11
skinny
Posted: Tue Sep 27, 2005 1:50 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
Ok guys,
I realize that its been a while since I've done this.
Maybe you know the drill, maybe you are new to the boards here.
This post is for questions and possible answers.
Post with something you are stuck on, or maybe something you are thinking about doing but don't know where to start.
I have found in the past that if I can't answer it for you, then someone will. I also have a group of very smart people to ask for advice.
So here we go, ask skinny.


(P.S. please refrain from stuff that I have promised to post here, like the full length print systems I WILL cover in the future. But if you have something half complete and want some help in the right direction PLEASE post something.)
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TRUpah
Posted: Tue Sep 27, 2005 1:57 pm Reply with quote
Joined: 31 May 2004 Posts: 345
ok skinny heres one
i want to build my own hydraulic press
what parts do i need and how much approx does it cost
lets see hydraulic ram and pump hoses and switches and wiring steel frame
plans drawings...?
also what is the best glue to use ? recommendations?

thanks in advance
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skinny
Posted: Tue Sep 27, 2005 2:24 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
Wow right off the bat.
Ok, I don't have a hydraulic press.
I do know that they are made using the same pump/ resevoir set up that low rider cars use. The pump must have a resevoir and a regulator/ blow off valve. As for a size I'd say 3 inch is a good place to start. A nice add-on is a pressure regulation set up to keep constant pressure.
You will have to price it locally.

As for glue there are a bunch of brands, national casein k-10 k-13, Franklin intl multi bond sk8. Those are the best.
Each has some special use rules, you just have to decide what you are gonna use.
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TRUpah
Posted: Tue Sep 27, 2005 3:32 pm Reply with quote
Joined: 31 May 2004 Posts: 345
ha ha all hail master of spreading knowledge lol

cool what kind of press are you running and how do i go about building one?
also where do i purchase these glues
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skinny
Posted: Tue Sep 27, 2005 4:11 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
I am running a cold press setup that I have named "Bessie the pressie"..I know thats lame, but so am I.
She is a pneumatic powered traditional 2 piece unit.
I built her myself, (my brother in law welded it up).
She was designed to produce a maximum of three decks at once and uses two kinds of concave molds one of them is pictured on my web site.

As for where to buy the glue...
I would not know off hand, but National Casein, and Franklin Intl. use distributors for each part of the country.
You might have to contact the manufacturers directly and get a list of distros.

I will stop you right there, As for detailed pictures of my press, a drawing, or other info, I won't post it here.
I share that with few people and only in person on the phone.

I will happily look at any progress you make yourself and help you fine tune things.
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TRUpah
Posted: Tue Sep 27, 2005 5:33 pm Reply with quote
Joined: 31 May 2004 Posts: 345
skinny wrote:
I am running a cold press setup that I have named "Bessie the pressie"..I know thats lame, but so am I.
She is a pneumatic powered traditional 2 piece unit.
I built her myself, (my brother in law welded it up).
She was designed to produce a maximum of three decks at once and uses two kinds of concave molds one of them is pictured on my web site.

As for where to buy the glue...
I would not know off hand, but National Casein, and Franklin Intl. use distributors for each part of the country.
You might have to contact the manufacturers directly and get a list of distros.

I will stop you right there, As for detailed pictures of my press, a drawing, or other info, I won't post it here.
I share that with few people and only in person on the phone.

I will happily look at any progress you make yourself and help you fine tune things.


its cool i have it all figured out anyway both pneumatic and hydraulic setups i have welders who will build the frames
all it is is a basic H frame with the ram and a mold attached its simple as pie just a little work

so what size compressor you running and what kind of psi you getting to the wood?
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skinny
Posted: Tue Sep 27, 2005 6:19 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
I am able to build about 200 psi at maximum load with two decks. (per deck)
I rarely press anything at a maximum load, because wood can crack at too much applied pressure.

I run a large shop compressor that regulates 120 psi. It was a pricey setup, but I am pleased.

I would love to see progress as you build that.
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Fool's Gold
Posted: Tue Sep 27, 2005 7:02 pm Reply with quote
Joined: 10 Mar 2005 Posts: 284 Location: Ontario Canada
I don't skateboard or anything . . .but could you use those construction hydrolic jacks, the ones about the size of a small football? Cause, I, like, jacked up a cottage with 6 of those the other day, so I bet you could press wood . . .

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skinny
Posted: Tue Sep 27, 2005 7:17 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
could you use those construction hydrolic jacks, the ones about the size of a small football? Cause, I, like, jacked up a cottage with 6 of those the other day, so I bet you could press wood . . .


They are called "bottle jacks" I belive.
They are a basic sealed hydraulic ram, they can lift large amounts of weight. However if you have an uncle who has an older shop jack, he will tell you that it can leak out pressure after the weight has been moved. Thats why they need jack stands for automotive work.
A regulated hydraulic pump adds fluid to compensate for lost pressure.
The decks have to be under pressure for a while.
Technically these jacks work, they are just not a preferred method of hydraulics.

Incedentally hydraulics is a general term used to describe displacement of mass through fluid expansion in a confined area.
You could also press decks using water displacment into a large tube or hose that would expand applying force to the outside of a concave mold.
I have heard stories of Jerry Madrid using a fire hose for some of his earliest skateboard presses.


Last edited by skinny on Tue Sep 27, 2005 9:56 pm; edited 1 time in total
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skinny
Posted: Tue Sep 27, 2005 9:54 pm Reply with quote
Joined: 12 Sep 2004 Posts: 2706
So thats it? all I am good for is some questions about presses?hydraulics?

There is soo much more out there...
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