How to Make a Screen Printing Stencil with Emulsion
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- Опубліковано 20 вер 2024
- Products used in this video:
UV LED Exposure Unit: screenprintdir...
PWR Emulsion: screenprintdir...
Scoop Coater: screenprintdir...
Inkjet Film: screenprintdir...
Aluminum Frame: screenprintdir...
Hello Printers! Screen Print Direct here. In this video, we go over the steps required to create a stencil for screen printing. An important note: All emulsions must be handled in a light-safe room and shouldn't be exposed to any light until it is time to undergo the exposure process using the proper light source. Prematurely exposing your screen will ruin the stencil outcome.
For written step-by-step instructions please visit our blog:
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Not sure what emulsion you should be using? Take this quick quiz and eliminate any hesitations
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Hi, I really like your video.❤
Thats awesome! Glad to hear that.
How long did you expose with that lamp? I have the same one, and I am struggling to dial-in the exposure time. Sometimes it rinses out okay, and sometimes I have to rinse it too long, and before some parts wash out, other parts of the stencil start to pull away from the screen. It’s been so frustrating!
Thats a great question, for this particular light and emulsion you want to expose it for around 30 seconds. The light source should be around 14-15 inches above the screen. Let us know if you have any questions or you can check the specific product on our website for all the technical information on it.
Hope this helped!
my screen will not wash out for nothing
Check:
- that the emulsion did not cure while drying, this is a light safe issue
- the emulsion is not expired, could point to product/shelf stability issue (check manufacturers notes)
Try washing a screen out after it has dried, but before exposing it, I know it sounds like a waste. But this is a dead giveaway if it’s a product issue or exposure issue.
- the emulsion wasn’t mixed properly with an activator, scrape all sides and bottom, constantly folding.
- exposure times, too much exposure can cure through the black ink of your film.
- poor quality printer ink or film, this could mean the ink is not opaque enough on the film or the film is not holding enough ink (try 2 layers of film)
- light source is too powerful, try exposing for far less time
- the screen is being exposed on the opposite side, try placing non-reflective, black cardstock or a blanket on the opposite side of the screen to reduce reflected light curing the opposite side of your screen
More often than not it’s just expired emulsion or user error and does not usually require equipment replacement. Let me know if I have to clarify anything!
All really good tips. The majority of the time it does come down to user error. Keep in mind that our ready to use emulsions have a shelf life of around 12 months if you store them properly. Thanks for jumping in and helping out.
Same
What kind of hose nozzle are you using to wash out your stencils?
That's a really good question. When you are just washing out your screen to get your image to appear you don't need anything special. You can use your normal garden hose type nozzle. You want a soft spray nothing hard or intense.
Awesome video! What printer models would you recommend for printing transparencies?
It really depends on your budget. Epson is the staple iconic inkjet printer but there are people out there using Canon, HP, etc. Look to see what size media you want to be able to print and go from there.
would any type of printer print on transparent paper? or would i need a specific one? i don’t want to break mine
Thats a good question. You would want to use an inkjet printer for the film positives to make sure you have a nice dark print. That will help create the best stencil.
Is UV light also counted, as black light?
Thats a really good question! So yes and no, there are different light wave lengths so certain UV black lights that make colors glow or fluorescent under them are not the proper wavelength to cure emulsion.
what app/website do you recommend to make designs on my pc? and which one are you using in this video? 0:38
Adobe programs are the normal for this. We recommend sticking with those since they are trusted.
What’s the model of the printer?
This is a Canon Pixma. They seem to be much more affordable than Epson printers. There are different sub model so you would have to check which fits your budget.
@@screenprintdirect Thank you I appreciate it
How long did you use the light for for this particular emulsion?
Great question, for this emulsion and with that light you are looking at an exposure time of around 30 seconds
@@screenprintdirect if I were to use sunlight, how long do you think I would need to expose it?
Hey is it possible to use a grow light? To burn the screen…
We recommend using a proper UV light for getting accurate exposure times.
What is mat you placed your screen on called?
That would be a registration template. It helps you light up your artwork to your screen so you get consistent results.
Boy a serlo aver si me funciona
dejanos saber si tienes algun pregunta
What type of light did u use tti burn it
the unit used would be the Screen Print Direct UV LED lamp link below!
rb.gy/mt5sye