Focus on Screen Printing

EXILE Technologies The all new direct to screen system

The all new SPYDER III DTS is a natural evolution of EXILE’s already proven SPYDER II DTS system, which, over the last few years, has revolutionised screen stencil making by creating the digital screenroom concept of direct – computer to screen imaging and automated image placement and digital registration.

The SPYDER III uses a completely new Xerox industrial inkjet print-head design and a new waterdispersible black phase change ink which offers a high optical density for excellent UV blocking. The ink is solid at room temperature and is therefore mess-free, but it is also completely water-soluble for quick and easy washout with no residual waste solids. The dye-based ink formulation avoids problems of pigment settling in the print head and the ink solidifies on the screen immediately after printing to produce a clean high-density dot with minimal dot gain making it vastly superior to conventional water-based ink jet CTS solutions. The SPYDER III applies the artwork digitally, with absolute accuracy, directly on to a coated screen. This eliminates the need for a film mask and streamlines the entire screen preparation process. Because the stencil is printed directly on the coated screen, no vacuum is required for the exposure. Pin-holing is therefore almost completely eliminated. The new Xerox printhead produces a much smaller physical dot size than previous phase change printhead technology and so produces much better edge definition. Two print mode settings are supported – a standard (fast) print setting of 900dpi for typical textile screen print applications and a high resolution 1200x1200dpi option for superior image quality with industrial screen print applications in mind. Both print modes support bi-directional printing so that the SPYDER III can print a typical T shirt screen image in well under a minute at over 2sq ft per minute which is about 33% faster and with twice the dot resolution of the celebrated SPYDER II model. Even at 1200dpi the SPYDER III will boast an imaging speed of approx. 1.5sq ft per minute on to any type of screen emulsion.

The SPYDER III is available with a conventional tri-lock type mechanical registration system, or an optional MHM compatible registration system. The combination of mechanical registration and digital image placement eliminates human error with manual placement of film separations on multiple screens and translates into significant reduction in press setup up times and dramatic increases in screenroom productivity. SPYDER III

Adelco Support and equipment that is second to none

Adelco has been a renowned supplier of automated textile ovals and carousels for over 30 years.

Its range of oval presses have had a significant impact, particularly in the Asian markets where larger print areas and many stations are required. However, there are instances smaller oval models are chosen where the footprint works better in certain facilities with restrictions in space and layout. Adelco launched a completely new full range of automated carousels in May 2019 and it is no surprise to find that the Adelco ethos in build quality, reliability, speed and ease of use has been incorporated into the new Cyclone carousel range. An emphasis has been placed on rapid set up times using the latest techniques to be able to drop pre-registered screens into the machine with almost no adjustments required. All Adelco’s screen printing presses, both oval and carousel, have the following exceptional features as standard: ● The fastest set up times by shooting screens in register, either using Adelco’s pre-registration unit or a DTS system. Print heads are zero’d on press, so that screens can be dropped in minimising the need to register the screens on the press.

The Cyclone

● Fully electric print head drive and pallet movement. ● Individual and horizontal screen lift/lower for maximum ink stability in the screen and fastest cycle times. ● Individual high lift of screens for rapid screen cleaning and loading of flash cures into print head positions. Adelco’s worldwide distribution and support network is in place to ensure its customers receive the service they require. Having its headquarters in the UK means that Adelco UK support is second to none with five full time service technicians based in the UK. | 44 | June 2020

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