• Increase font size
  • Default font size
  • Decrease font size
2009.11.13 22:42:03
A whole lot of screen printing.

I come bearing pictures! Examples of tools and stencils. But I'm going to start with some of my prints drying. These have since been finished and have been turned in. The teacher said I either got an A or a really high B on them. I hope it's an A, I think they came out very well and clean. I only had one really bad print, all the rest are lined up perfectly and have very little to no haloing.

A halo by the way is when the print sticks to the screen a bit so the ink doesn't settle perfectly and you get a ring of a different texture. It looks like a halo, hence the name.

Just a note. There are a LOT more pictures beneath the cut. :) So please press read more if you are even vaguely interested.

 


Next we have some basic but important tools. 

This is a screen. It's a 200, which is why it's yellow. You can get wood frames too but they may warp over time. Mine is aluminum and isn't going to bend unless I horribly abuse it and actively try to bend it. The tape is there to keep ink from seeping into the edges. I got a compliment on how clean my taping job was from one of the TA's.

Normally the screen is more translucent. It looks very opaque in this picture because there's a paper stencil taped to the back of it. And here's the same screen from the other side to show the stencil better.

It's freezer paper. Shiny side to the screen. This is so that the ink can only go through the cut out portion and so it will be repelled by the slick side of the paper and not absorbed.

These are some of the print boards. Those clips at the top of all of them are the important part. It's what you clap the screen into to keep in in place. They also have hinges so you can tilt the screen up and down.

Next we have a scooper card and a brush. The scooper card so far has been one of my best friends in this class. It's used for scooping up excess ink from the screen and off the squeegee so you don't waste any. It's also used for spreading screen filler. The brush is generally used for drawing fluid and screen filler.

Since I just mentioned it. This is screen filler. It's red and goopy and needs to be stirred before every use. Stirred, not shaken. If you shake it then it gets bubbles and isn't nearly as useful. You paint it onto your screen and wherever you paint with it the ink will not go through. Unfortunately I don't have a picture of the drawing fluid. But it looks almost exactly like the screen filler only it's a green blue color. Screen filler does just that, it fills the screen. You paint drawing fluid on where you want the ink to go through. Then you let it dry. Then you cover the whole thing with screen filler or a combination of screen filler and paper later to cover large spaces. Let the whole thing dry, wash out the drawing fluid, and you have a stencil ready to use.

This is my screen with a photo stencil on it and all the little pin holes filled in with screen filler. You can see where I used the scooper card on larger areas. Photo stencils are neat and all, but working all the pin holes out of them is a pain.

Here's that same scooper card from before in it's natural habitat. Covered in ink, it waits patiently for me to use it before the ink dries. Also that little thing wedged under the screen is a spacer. It's just a piece of paper with tape wrapped around it. It's used to keep space between the screen and the print board. Why do this? So that the screen doesn't stick to the print and so you get clean even coverage.

Now for something a little more interesting. I present, a pull. This is on that paper stencil from earlier in the post. That thing at the top is a squeegee. They come in a variety of densities and sizes. You hold it at an angle, press, and pull it towards you to force the ink through the screen and onto your paper below. Which I assume is why every time you do it is called a pull.

Here's a pull over a photo stencil. Notice that not as much ink is just sitting there. That's because with the paper stencil some ink gets pressed through that has to be cleaned off the paper side when you're done. The photo stencil though blocks on the screen itself so the ink has nowhere to go and less gets left behind.

This is how a photo stencil is made. Well... Sort of. You have to take a clear sheet with your image in black. A photo stencil doesn't need to be of a photo. You can draw directly onto a clear acetate or print on to one of these sheets. It then gets put on your screen (after it's been coated with the photo emulsion and dried) and exposed to light in a chamber. The light hardens the emulsion except for the bits that are hidden by the black on your image. You wash out the non hardened emulsion directly afterwards and viola, photo stencil.

Here's a progress picture of my print. As you can see it has little holes in it and is being held down with two metal pins. This is how you make sure all your prints are lined up properly.

This is a registration pin. They are a life saver. You lined up your print each time you have a new stencil/screen. But you only have to line it up once, because all the other prints have the same holes in the same place. So you line it up. Tape the pins to the board in the correct place and print away.

This is ink. Not as glamorous when you look at it is it? It's fun though as long as it's not molding. We have to mix all our own colors and so each little mixed batch gets put in a cup and stored. They encourage us to reuse inks as much as possible and it's been a lot of fun so far poking through the stuff. Even if it does smell a bit weird. It also has the oddest texture sometimes. It's all water based though so at least we don't have to deal with noxious chemicals during clean up.


2009.11.15 11:54:52
Comment by:
*AJ
*Staff*
very very cool...it looks like such an incredibly involved process! How long does it usually take? Say if you had to make one print from start to finish?

Reply
 
2009.11.15 23:18:11
Comment by:
VictoriaS
It depends dramatically on the type of stencils involved, the number of colors, and the paper involved. I can usually get several colors done in one night if just using paper stencils. But when I use photo stencils or drawing stencils if it all goes perfectly I can get two colors in a night. When I say a night I mean a class period which is about 4 hours. That's if everything is prepared too.

Cutting out the paper stencils takes a little bit and then there's the time breaking up the image in the first place. Also sometimes the ink just seems to say no, and wont pull right.

My next print is pretty simple and I purposefully made it so I only have two photo screens. I think I might get it done in one class session and one or two lab sessions. We usually only get an hour or two for lab which is why it's a good time for mixing ink colors, tracing stencils, setting up a photo stencil, or washing things out.

When ever you wash out just the ink it's pretty easy but washing out photo emulsion and cleaning off drawing fluid can be a real pain.

I'm thinking of doing some single screen T-shirt prints of fun stuff after I have all my actual projects done. Like I'll probably print the symbol on one or two Sniper shirts sometime this semester for costume purposes.

Reply
 
Reply to this posting
You are NOT logged in. If you want this post to be attributed to your account please log in using the box at the very top of this page in the left column.

Your Name:

E-mail:

  Enter text shown in left:
 



Can't remember to always come back and check the site and don't want to subscribe to daily updates? Here's the perfect solution! Sign up for our bi-monthly newsletter and receive a brief summary of new content, new features, contests/giveaways and much more! FSO Content Summary & Announcements

Hey! Welcome!

Is this your first time here? Welcome and thanks for coming! FSO is a pretty big site so if you get lost check out the FAQ. We hope you find this site useful and spread the word. We're just getting started and we need all the help we can get to reach new people. Please do not hesitate to ask questions or make suggestions in our forums. We are a community built site and we rely on YOU to be the best we can be!
Powered by "What would Seth Godin do?" for Joomla!
Welcome to FSO! Please log in so that you can comment and earn points!

We support these additional fashion learning resource sites:

Banner
Banner
Banner
Foundations Revealed - the Corsetmaker's Companion

There is no paid advertising available on FSO. If you are interested in free promotion of your website or product, or in discussing cross-promotion opportunities which will help FSO grow please click here.

Latest Student Blogs

"I picked my textbooks last week in order to avoid the rush at the start of the semester.  Between work and trying to enjoy my last few days of..."
Visit the student blogs to read more from
Daniel Cole
"The professors for my line development and intro to apparel design classes recently sent me lists of supplies I will need this semester.  Both..."
Visit the student blogs to read more from
Daniel Cole
"My sister recently took up juggling, and she asked me to make her a set of juggling balls.  It seemed like a reasonable request.  She suggested I..."
Visit the student blogs to read more from
Daniel Cole
"What is the collective noun for shirts?  Herd of shirts?  Gaggle?  Flock?  Bunch?  Oh well, it really does not matter, three shirts are not..."
Visit the student blogs to read more from
Daniel Cole
"Hi.  Sorry it’s been so long since my last post.  I’ve been too busy with work and class to sew anything or write about all the stuff I’m not..."
Visit the student blogs to read more from
Daniel Cole
"We are now accepting applications for new student bloggers for the 2010/2011 school year. Please ensure you are familiar with all parts of this..."
Visit the student blogs to read more from
Annie Jackson
"You may notice things are a bit quiet around here....well that's because it's summer and school is out for most of us. Stay tuned in fall for more..."
Visit the student blogs to read more from
Annie Jackson
"A few weeks ago I made a hat.  I used two different fabrics, a bottom weight twill and a medium weight plain weave.  Interfacing needed to be..."
Visit the student blogs to read more from
Daniel Cole


If you are a student at any level of schooling who is interested in having a blog please contact us.

Your blog must be primarily educational in nature and you must post regularly.
*preference given to those who already have a proven track record with keeping a blog of any kind.

New From the FSO Blog