All the printers like to print high-quality prints with their screen printing machine. For high-quality prints, you should be careful to your screen tension. In fact, it is one of the most imperative equipment to offer high-quality print.
If the tension of the screen is inappropriate, it will produce lower quality prints. As a result, you are to decrease your marketing capability. Luckily, by taking a number of steps surely you could make your screens to be set up for most favorable presentation.
Imagine, you start printing with your screen printing press but you find prints are blurred, messy or else defective. Immediately you become suspicious about your artwork along with the screen printing machine. Through a vivid investigation, you find a set up of your artwork. This set up is acceptable for quality and at the same time your printing machine is working as usual. But you show a little care about your screen tension which could cause immense trouble.
The Effect of Improper Tension of Your Screen Printing Machine
Screen tension is the tight state of the mesh in the frame. Newton per square centimeter (N/cm2) is the standard tool to measure it. If the screens lose its tension repeatedly, the mesh hampers. You need to blow the squeegee straight and it also perverts the mesh. Total printing job could suffer for this sort of unacceptable tension.
Unacceptable tension can have an effect on your screen printing machine to make your print defective. You have set flawless artwork, your film has got proper alignment and positive print. You get archives of solid rock from your machine but you are producing crooked prints. It appears due to the defective tensioned screen.
The poor screen tension exaggerates the integrity of your stencils. These inappropriate screen tensions would result in quicker fracture down of stencils. It happens due to the placement of the mesh under the unnecessary strain. Feedback of a decadent stencil are pinholes, fuzzy edges, and loss of detail in your prints.
If your screens fail to preserve appropriate tension, your prints can spread as ink may gather in folds of the mesh and not extend consistently.
Screens having short tension are supplementary prone to pick up ink from preceding layers of a multicolor printing job. As they do not crack back into the spot as they should at the moment the squeegee goes over. The preceding ink can construct and chunk openings of the mesh. It holding succeeding layers of ink from fleeting all the way through the screen plainly and resulting in blurred prints and thrashing of detail.
In the case of the manual screen printing machine, it gets an additional complication because of utilizing supplementary squeegee weight to find the ink from beginning to end the screen.
For Proper Screen Tension, You Require Knowing the Below Measures:
What is the exact number?
The tension between 25 and 35 N/cm2 appropriate. However, you should be kept away of minimum 15 N/ cm2 .
The process of finding screen tension:
To measure your screen tension, you can use a tension meter tool to measure the screen tension. It stays on the print side of the screen and tracks out the quantity the mesh offers under its load. At the moment of measuring, you need to place the screen on flat, level surface. One place measurement is not competent for reliable results to verify all over the screen to have certainty that the tension is identical. Be conforming of measuring the tension in two directions, from top to bottom of your screens and from one side of the screen to the other.
Measures to preserve appropriate Tension:
In the case of finding your screen tension gets less than 15 N/cm2, adjust the tension of your screens using proper tools. A screen stretcher is such a device you can use either manually or pneumatic clamps so that your mesh gets back up to appropriate tension.
If you are unwilling to add extra tools, you can get the work even smooth by applying roller frames. Again if you don’t like to do it yourself, there are professionals you can send your screens there.
Type of Frame and Mesh Hight:
Remember, type of frames you are in use is a factor for your screen tension. Moisture or temperature changes will let wooden frame offering lose tension.
The adhesive you usually use to keep the mesh to the metal frame could get demoted after passing the required time, as a result, you would get unacceptable tension. Roller frame also gets losing the effect of its grip on the mesh after passing standard time span. It is wise to provide a regular check to find whether exact tension is achieved if needed regulate as needed.
For your printing press, some supplementary measures are to be taken so that you can achieve required tension. It’s better to use the least quantity of off-contact likely and be certain that your screens and pallets are level and parallel. As a result, less squeegee pressure is to be needed. This less pressure will reduce the stress on screens and let your squeegee to move quicker. For this, you will receive prints with required speed, quality products along with efficiency.
On the contrary, very high screen tension will also cause trouble.
If your mesh is expanded too strongly, your screens will be more vulnerable to spoil for the period of printing and possibly harder to print all the way through in case of using a manual press.
Learn more: Top 5 Secrets of Using Screen Printing Machine