screen printing > Equipment

Flash is randomly scorching shirts

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Nation03:
Anyone run into this issue before? I've been using the same settings I always have without any issues and now the last week or so everything will be going fine and then a shirt will get burnt to a crisp. The flash is an Anatol Rapid Wave with heat sensor. My only guess is that the heat sensor went bad (if that's a thing)? I turned off the probe for now to see if it resolves the issue. It's getting a little frustrating since I keep having to reprint a few shirts for every order I've been running and it's causing massive delays and bottlenecks.

futurecolors:
my first guess would be that the sensor lens might be dirty?

Nation03:

--- Quote from: futurecolors on July 27, 2023, 03:33:37 PM ---my first guess would be that the sensor lens might be dirty?

--- End quote ---

Same here! I vacuumed it up pretty well yesterday and then hit it with some high pressure air to clear any gunk out of the way. Looks pretty clean, buy maybe there is some lint really lodged up there?

3Deep:
I'm having the same problem with my Rapid wave flash as well, but I will say the problem shirts are the sports grey and they are scorching at the bottom when I use all the heat blubs, never had a problem with the first row of lambs always the back.  Makes me wonder if the back row of lambs are getting hotter than the front row, my normal flash time once everything is heated up is 3.4 seconds on my normal shirts and sports grey 2.4, if you find your problem I would like to know!!!!!

futurecolors:

--- Quote from: 3Deep on July 27, 2023, 03:43:27 PM ---I'm having the same problem with my Rapid wave flash as well, but I will say the problem shirts are the sports grey and they are scorching at the bottom when I use all the heat blubs, never had a problem with the first row of lambs always the back.  Makes me wonder if the back row of lambs are getting hotter than the front row, my normal flash time once everything is heated up is 3.4 seconds on my normal shirts and sports grey 2.4, if you find your problem I would like to know!!!!!

--- End quote ---

Might be that the bottom of your pallet is missing adhesive. Areas where the shirt is not adhered to the pallet heat up much fast as heat gets to it from the top and bottom. When adhered it takes quite a bit longer to reach the temp of scorching.

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