Frustrated application...

[Cynosure]

I am trying to apply a 4' x 8' print to a 6mil sheet of max metal using my guardian laminator. The problem I keep getting is channels of bubbles. What would cause this? Not enough pressure, too much pressure, static? Using oracal 3551 film and 290 laminate. Any tips preventing this is appreciated. I wish I had photos, but wasn't smart enough to take them before ripping the print off the board in rage. Material is about .25" thick and I set the laminator to .105" and .215", both same results (though .215 had substantially more).

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[Christian @ 2CT Media]

Where are the bubbles forming?

 

[Cynosure]

It's a 60" machine. Getting them to the left and right of center

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[3SixtySigns]

Sounds like too much pressure to me. Has the laminator been calibrated? Crowning can be an issue depending on pressure points

 

[3SixtySigns]

is it cold lamination?

 

[Christian @ 2CT Media]

The guardian is a Crowned roller afaik, is you are getting it to the sides it's not applying enough pressure, if you get it in the center it's too much pressure.

 

[Cynosure]

Cold. Too much pressure then. That's why I thought raising the rollers would help but the .215" made it worse.

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[Cynosure]

Never had it calibrated per se. The company that sold it too me came and turned some screws, but nothing calibrated about that.

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