I'm taking turns out of school, perhaps, but Nomex is what firefighters protective clothing is made from. Paul Bruesch Stillwater, MN On Thu, Mar 5, 2009 at 1:43 PM, Farrell <mfarrel2 at tampabay.rr.com> wrote: > Some sort of hand pump may give you a vacuum, but unless the adhesive you > are using sets in minutes, you're gonna have one sore hand. The pump I > bought was the smallest vacuum pump I could find - and it is all I need. I > did a laminated soundboard panel for a 7' Bluthner - big bag - and that pump > worked just fine. > > As far as the bag goes, like I said, the place I get mine from make custom > sizes. For the bag for that 7' panel I had them make both ends open for easy > access. They have a very easy to use positive sealing system on their bags. > Don't get bags with a zip-lock-type seal - I tried those initially, and > found that dust and wood chips get in there and render the seal useless. The > offer thick bags (if I remember, 2 or 3 mm) vinyl or something better. I > don't use the bags daily, so I just went with the thin vinyl - the cheapest > they had - I've had them a couple years now and have run dozens of pinblocks > and rib slabs through them without ever getting a leak (oops, just one leak, > but I patched it very easily). > > I also have the venturi pump on the same page as my pump, but rarely use it > because it requires the compressor to run all the time. > > What's nomex? > > Terry Farrell > > ----- Original Message ----- > Thanks for the info. I'm glad someone knows something about these things. > I have never even looked at one of these before and don't know squat... I > don't > know that I need a large pump because of the nature of the work. I would > just be using it to press tops and or backs of guitars. One wood working > outfit in town has one that has a 14 by 49 bag and comes with some sort of > hand pump. Like I stated earlier though the dimensions of the bag don't > work for me and I don't know what to expect from a hand pump system. I'm > sure I wouldn't need a pump with massive power but the hand pump might be a > little wimpy. Do you have any thoughts on this? Basically what I would > like to do is take the soundboard, glue on a layer of nomex and press it. > After that I would thin down the soundboard from about 3/4mm to 2mm, glue > another board on putting the nomex in-between like a sandwich and press > again. It seems easy enough, its just figuring out what kind of equipment > would work the best. > Regards, > Shawn Brock, RPT > ----- Original Message ----- > > *From:* Farrell <mfarrel2 at tampabay.rr.com> > Vacuum pressing is enough of a specialty area that I really don't think > you'll find much on the street. There's really only a few places that sell > that stuff. You really need to go on-line to find what works for you. > > I use vacuum pressing for building laminated soundboard panels, rib sets > and gluing just about any large flat/cured panel to another. Basically all > you need is a vacuum pump and a plastic bag. I have my bags custom made at > http://www.vacupress.com/pricing.htm (scroll about half way down for > their bags - they also make custom sizes). I also buy my adhesive from them > http://www.vacupress.com/veneerglue.htm . I bought my vacuum pump from > these folks - the CD100 > http://www.vac-u-clamp.com/products/basic-pumps/index.htm - it's a real > workhorse and all you need. > > I'm happy to share tons more info on tips, techniques, equipment, etc. - > just ask away. > > Terry Farrell > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090305/db93bec9/attachment.html>
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