So you’re wondering what it would take for you to be able to make your own print? or you’re wondering how Family Industries makes perfect prints? We’ll take you through the steps necessary to achieve a flawless screen print as well as show you how we do it at the Family Industries HQ.
In this article, we will also take you through the different techniques used for specific outcomes and all that will be necessary for you to achieve them which would include equipment and other factors such as time and effort.
How To Get Started
We’ll take you through the fundamental tools you will need to begin this process. Although you can buy ready-to-use kits from websites such as screenprinting.com - you can always find DIY ways to make your own setup.
The Screen
Choosing the right screen mesh can be confusing, a 110 to 160 mesh count screen is the most versatile and the most commonly used in screen printing. We recommend that for prints that are up to 3 colors a 160 (61cm) to 180 (70cm) monofilament mesh screen is best, ensure that they have very well made wood frames that have been purchased with the fabric or mesh already attached (pre-stretched) OR you may also use a metal retentionable screen.
The Press Set-Up
The screen needs to be placed on the press and squared to the shirt board. This is as simple as placing a t-square under the frame and looking through the screen to square the image on the frame to the edge of the board. Now when you make a print it will be straight to the board.
Emulsion
A big part of the photostencil phase of the production cycle, screen printing emulsion is the light-sensitive liquid or capillary-direct films that you coat or adhere to the degreased screen fabric prior to taping your film positives in place.
There are a few choices to pick from when it comes to getting the right emulsion and it has to do with certain variables. Learn about what type of emulsion you will need according to your setup and experience level.
The Ink
Most inks on the market are too thick to print easily by hand and they generally need a slight amount of reduction – or thinning – to make it work better. Thinning does not mean making it softer it means adding a curable reducer rather than a "soft hand" additive. A small amount of reducer will make the ink more workable.
If your print is a three-color print, it is recommended to thin the lightest colors a little more than the darker colors. This will generally be the first color in your print and it needs to penetrate into the garment more than the others, this way, it will not pick it up on the bottoms of the other screens. If black is your last color, you can thin it less. It needs to lay on top of the other colors and it will blend in with the under colors if it is too thin.
Plastisol ink tends to get a little thicker when it isn't in use, so you should always stir the ink before you begin thinning it. By stirring the ink you will find out if it really needs thinner. We recommend an ink that is smooth and creamy to one that is so thick that you break the stick trying to stir it.
The Squeegee
We highly recommend a triple durometer squeegee that has a harder center around a softer outer edge. These give you more control, especially if you have a lot of strength and try to flatten the blade as you make the print (you don't want to flatten the blade). You can also pick up an "old-fashioned" medium hardness blade with a sharp edge and make a great print. A sharp edge shears off the ink cleanly and will make a sharper print than a dull edge blade. If you are a messy printer, you should use the wider 5" handles. These will help keep your fingers out of the ink.
Choose the right squeegee for your screen print job
Techniques
There are technical applications we recommend and we’ll go over details as to how to print once you have your equipment all set up and ready to go.
How Much Ink Should I Use?
Depending on how you work, knowing how much ink to use takes time and practice. Some people have a heavy pour but they are able to manage the printing process to avoid making a mess, while others tend to be a little less coordinated. The rule of thumb is to pour enough to get a good amount of prints without running dry, but not so much that when you print it all rides up onto the squeegee handle. It is much easier to put more ink on a screen and harder to take the excess out! Start off with a small amount and work your way up to learning how much is really needed and how much you can handle.
How Do I Hold The Squeegee?
Top Grip:
A lot of printers use the standard “two-hand, top grip and pull towards you” stroke. While this works well, it can cause some problems if you are printing all day long. Not only will the tips of your fingers and thumbs be sore (and may become numb) you may also feel tenderness in your wrists. What this could cause is a repetitive motion disorder known as Carpal Tunnel Syndrome.
Some people can print their whole lives and never get this but to minimize the chances of developing Carpal Tunnel, you can use special ergonomic squeegees that force you to hold a wider handle.
Side Grip:
This technique moves the strain from the center of your wrist to your forearm muscles. Simply hold the squeegee by the side and pull it towards you. This works great if you are a short person or of average height.
Push or Pull?
The answer to this question is based on preference. Pulling the squeegee towards you is the standard method, but pushing it away from you is really a lot easier. When pulling the squeegee you use more of your wrists and shoulder muscles. When pushing, you use more of your body weight to push the squeegee. We encourage you to try both and figure out what is most comfortable.
How Many Strokes Are Needed?
You really only need one stroke if your ink is diluted enough and you’re printing on a lighter fabric. If the fabric is dark and your ink isn’t sticking as well as you’d like, we encourage you to do two-stroke. If you find that two or three strokes are not doing the job, it may be that your ink is too thick and will need to be diluted a bit more.
How Much Pressure Do I Apply?
We recommend that not a lot of pressure is applied as this can cause the print to be uneven, if the ink is the right consistency then a medium amount of pressure should do the job.
In Conclusion
Having the right equipment is more than half of the job - buying the equipment and the ink can get expensive, however, if you have a plan and the right design, you can make up the money quickly and begin to profit from your creations.
Practise makes perfect, many techniques can be mastered by just making mistakes and starting over. So, don’t be scared to make errors and having to start over, it’s all part of the process.
Author: Irene Floridia - Content Creator
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