Darryl Keil
Posts: 1455
Joined: 2003-05-22
Location: Maine
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When the bag gets up under the lamination its almost always because the lamination are too stiff creating to much resistance. There are two solutions, one, make your laminations more flexible by changing the orientation of the bending ply to the more flexible direction or use more thinner lamination to create more flexibility. The other approach is to literally get up and stand on the bag and lamination when you turn on the vacuum pump. This will push the lamination further down on the form eliminating the bag from gettin up underneath. Simple but effective solution.
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