Vacuum infusion or bagging?  
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Vacuum infusion or bagging? - 4/28/2008 5:00:16 PM   
Hatty



Posts: 355
Joined: 10/7/2003
From: Lexington, KY, USA
Status: offline 		We are working on vacuum bagging a large body panel with a foam core from a foam male mold What would be the best method to use: vacuum bagging or vacuum infusion? What's the pros and cons of both?

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University of Kentucky Solar Car Team
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       Post #: 1

RE: Vacuum infusion or bagging? - 4/28/2008 8:50:11 PM   
TeamSeacats



Posts: 152
Joined: 3/9/2007
From: Greenville, SC, USA
Status: online 		In all likely hood, vacuum bagging will be your method of choice. It requires less planning and a few less materials and has less opportunities for catastrophic failures.

Resin infusion is the same as vacuum bagging except that you have to plan for the proper flow of the resin once you have pulled a vacuum. This requires proper placement of infusion ports, vacuum ports, and resin highways. Without a lot of planning, experience, and/or simulation software, getting this right the first couple of times is a rare occurrence. The benefits of resin infusion is less release of volatile fumes, better air evacuation from the laminate, and the ability to reposition the dry fabrics and reinforcements after the first vacuum is pulled.

With vacuum bagging a pre-wetted lamination, you can guarantee that you achieve proper resin saturation. With the proper peel-ply's / breather plys, you can achieve similar air evacuation.

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Jake Kohl
http://www.teamseacats.com

(in reply to Hatty)
       Post #: 2

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