Sometimes the screen printing business becomes unpleasant especially when the screen printing quality of your machine falls. It happens as you are to face some usual difficulties such as blurry imprints, smudged ink, and improper registration. Besides images get vanished while washing those. These misdeeds result in additional expenses. Even spoil the printing business due to the severe business impression. However, to get rid of these problems practice the following measures-
Verify Your Screen Printing Machine before Starting Work
Blurred imprints might be the outcome of loose screws. It is usual that continuous movement of the screen printing press would make the screws loosen. These pins keep the pallets as well as screens in place properly. As a result, the pallets and the screens start twisting during printing and significant effect of such twisting is the outcome of blurred prints.
Use Quality Graphics to Improve the Screen Printing Quality
Cure your ink properly is a must that you use in a quality artwork. Your process of printing is very well. But either than images with the high resolution you couldn’t hope to avoid substrate being fuzzy. At the same time, you should separate the colors properly. To get printing products with having the suitable registration you must separate colors exactly.
Proper Curing | Test Each Run of Products
Arranging and operating a dryer is not adequate to make sure of having appropriately cured ink. More than 320 degrees heat is needed for the nearly all plastisol inks. You should follow the curing temperature instructed by the manufacturer. More heat with a longer period is required for thicker print but lighter one needs less effort. A heat gun or a heat strip is suitable equipment to test the ink at the moment of its getting out of the dryer.
It is to be considered that the inner ink hotness wants to attain its curing warmth in addition to the exterior ink. It is better to check each and every printing work whether appropriately cured. There will be no fracture or strip on the print to be supplied to the clients. Keep the cured & cooled products stretch till the ink stretches slightly.
The simplest way to check your curing is with a stretch test: Stretch the cured and cooled shirt awaiting the ink stretches slightly. The ink should not show signs of cracking. If you are trying out a new ink or a new dryer, you may want to perform more thorough testing of your curing by washing a shirt several times to make sure the ink holds.
Provide Accurate Screens and verify Your Screen Tension
Different screen printing jobs require screens of changeable mesh counts. Frequently, printers are sold with making available on single sort of screen. But you can get several having standard 110, below 400 and over. Lower mesh count is adequate for most jobs, on the other hand, comprehensive screen prints need better screens.
Besides, exact screen selection verifies screen tension previous to start printing. Eventually, the tension on screens can loosen, which can be the reason of troubles together with blurred prints or rough-feeling ink on your ultimate product. A number of screens can be tightened, at the same time, others may need to be replaced.
Arrange exact Squeegee Angle and Pressure–
An angle is used to holding squeegee. The manual screen printing machine offers a huge impact on the deposit position of ink. This impact arrives from the pressure of push or pulls on the squeegee.
The angle at which you hold your squeegee while manual screen printing can have a big impact on your ink deposit, as can the pressure you exert on the squeegee while push or pull. If you push ink on the screen during the printing process the squeegee will be taken hold at a 45-degree angle, or the ink will not go through the screen to the substrate. On the other hand, to pull with working the ink in the direction of you on the screen of the squeegee position should be 45- to 80-degree angle. Usually, making the angle higher, a smaller amount of ink will be printed onto the substrate, and the lower angle results in more ink for printing.
The aim is to offer adequate force to deposit a smooth coating of ink on the substrate. Overpressure might cause bend the screen, blur the print or depart behind much amount of ink. Insufficient pressure fails to push adequate ink from first to last the screen and may bring an incomplete or pale print.
Set up appropriate Off-Contact
To obtains a brittle screen print on your ultimate printing job, you should set suitable off-contact previous to start printing. Off-contact refers to the space between the screen and the pallet underneath. It permits screen to approach quietly in getting in touch with the substrate at the moment of printing and pulling plainly away, partying an exact print at the back.
Proceed with Test Run
You are to test previous to every screen printing job. Your test run will find surety that your registration is spot on, your press has been set up correctly, screens are stretched and dirt free and dryer is completely curative inks. It’s better, easier and less costly to provide adjustments following a test run than to cancel some or total screen printing product.
The time you spend on a test is to e treated as better spending. By arranging appropriate graphics, setup, method, and testing, you can be positive that your screen printing machine will offer you high-quality screen printing product as per the demand of your clients.
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