Andrew Thompson
Posts: 2
Joined: 2012-11-03
Location: Dallas, TX
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Hello all,
I've used vacuum bags quite a bit in the past, and am now considering a system in light of my current project.
I need to lam up a 12" wide "U-shaped" 5/16" thick lamination over a form that is roughly a 1ft cube with sides that taper out at about 3 degrees. Picturing the "U" upside down over the form, the two top edges have a relatively tight radius of about 1". I've done much shallower laminations in the past with good success, but in this case, I need 3 sides of the "U" to pull tight against the form, and am not sure if a form "inside-the-bag" approach would cut it. I've never used the "outside" approach but have concerns about getting the lams to tightly bend over the 1" radius on the top edges of the form.
For the purposes of prototyping I'm making a male-female form to clamp it up manually, but if a vacuum approach would work it would make tweaking the form half the work, as I'd only have one half to shape--not to mention a great excuse to get the vacuum system that's been on my wish list for a while.
Many thanks in advance for the help.
Cheers,
Andrew...
 Attached file : form.JPG (40KB - 64 downloads)
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