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Re: Shop Benches, Bombarder and other.

Posted By: Sean S
Date: Saturday, 21 March 2015, at 1:34 p.m.

In Response To: Shop Benches, Bombarder and other. (Mike Muldowney)


You can use tempered glass but that will bend if you pump a ton on it. Just keep a few clear u tubes and place where needed. One of my friends just uses fire board and nonspestos. trolly lines are not needed. just put some glass housings in the table, 2 up front and 2 on other end and make drop cords to go in. do you live in the south? just keep some kiln insulation on the boiler of the diff pump, you want it to slowly be active and if there is moisture build up on the top bend turn it down. You only need to let the pump warm up for an hour or so before pumping. Leave manifold under vacuum when not using and let the diff pump COOL down (turn off) 20 MINUITES before turning rough pump off. 10 KVA is fine for what you do. You will just have to adjust the pressure more when pumping long or multiple units.
> Good afternoon folks!

> I'm starting to plan out my shop/bench
> layout and have a couple questions...

> I see on videos and such that many folks set
> up the processing area next to the manifold
> with a bunch of clear tubes laid out as a
> bed for the unit being worked on. I get that
> it's to insulate the hot unit from the bench
> top, but I feel like it looks kind of messy.

> Has anybody used alternate surfaces for
> their processing bench? Straight wood would
> be suceptible to fire/burning/death/etc, but
> what about say...ceramic tile? Fire-proof
> board? Any other ideas?

> As this is a hobby setup, I'd like to keep a
> minimum footprint. While I still want a
> separate bending bench vs my processing
> area, I don't want to take up a whole ton of
> space. Is anyone willing to share their
> small footprint layout ideas/pictures so I
> can get some ideas?

> On the technical side....

> My bombarder is a 10kVa....in what ways will
> that limit the units I make?
> Length/diameter/etc. I won't say that I
> would be unwilling to upgrade in the
> future....but I don't want to get all
> good/adequate at bending just to find out my
> bombarder doesn't have the oomph. Knowing
> what it can do will let me start with stuff
> I won't have any issues, other than the
> learning curve.

> Is a trolley setup absolutely necessary for
> the leads? Again, would I be limiting myself
> in any way without it?

> The Jacob's ladder that came with my setup
> is kinda beat up. It was made out of pretty
> thick wire. About 10ga. Should I just
> re-make it? Or is there another length/gauge
> combo that others have found to be ideal?

> I'm still a ways away from turning anything
> on, but a couple operation questions:

> My diffusion pump didn't come with the
> little fan to blow over the condensing area.
> I'm thinking I should set it up with one.
> Good choice? Is the answer to my question as
> simple as "there's a reason they sell
> them with the fan now-a-days..."

> Again, due to hobby setup....the vacuum pump
> and diffusion pump won't be on 24/7 or
> anything. Should I expect, on a day I plan
> to do processing, to turn the diffusion pump
> and vacuum pump on the night before and let
> them go overnight?

> I got zero literature regarding the
> operation of the actual equipment. I have a
> good Daco video and plenty of books on
> bending and stuff, but nothing about the
> actual stuff itself. Sure, the blower and
> vacuum pump and what not is pretty much just
> on/off switches....but still...Any
> literature available anywhere on things like
> the mixers? Burners? Diffusion Pump?
> Bombarder/Choke?

> I know I can get all my answers here...but
> never hurts to have manufacturer
> documentation...

> Thanks again all!

> Mike


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