Why is my print vinyl "plucking" or "buckling" when it enters the printer?

[0igo]

Seems like any roll I feed through my printers, buckles up on the back end. I see it happen as soon as I lock my rollers on my printer. I have a mutoh 1624 valuejet. My shop is pretty cold this time of year. Could it be bad rollers or the weather affecting the material?

 

[Signs101Admin]

My Roland VP-300 does the same thing.

 

[dmfahie]

Seems like any roll I feed through my printers, buckles up on the back end. I see it happen as soon as I lock my rollers on my printer. I have a mutoh 1624 valuejet. My shop is pretty cold this time of year. Could it be bad rollers or the weather affecting the material?

Raise your pre heat settings and possibly post to help it flatten out. The term for it is "cockling"

 

[player]

Not aligned properly?

 

[0igo]

what settings do you have your heat settings at? i run mine at 40, 43, 50 from the flexi production manager.

 

[0igo]

Not aligned properly?

how can i align them properly?

 

[player]

The material not aligned properly...

 

[ams]

I recently found the issue. I took off the metal clamps that hold the material flat and found a bunch of dried and undried adhesive under them. I scrape it all off, also saw they were slightly just barely bent upwards, I bent them down again and it's been working without issues now.

 

[boxerbay]

lower your preheat. paper backed vinyl (cheap) is affected more than Polycoated paper liner 3MIJ35. I hate the cheap stuff because of that. it causes head strikes or i have to lose 36" off the roll each time i begin a job. so whatever savings you think you were getting ends up in the trash bin.

 

[Gino]

Heat has a lot to do with it, but not as much as if you haven't released any tension on your roll, by unwinding a few feet off of the pinchers. Loading it straight, proper heat in the printer and in your room, having clean rollers and no tension will probably help your overall situation.

 

[mmblarg]

We also use a Mutoh which buckles the material immediately after loading - in our case, there is a fan that kicks on right after locking the pinch rollers which bubbles the vinyl from underneath. What we do to flatten this out is immediately lift the lever to release the rollers, lift the loose end of the vinyl to let the air escape, then just lock the material in again - takes ten seconds and the fan stays on so the material lays flat the second time around.

If this isn't an issue for you, I would also suggest testing the heat. Our material buckles if the heat is too high.

 

[Oroscoe]

Turn your preheat temperature down.