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| Above Left: Screen Printing "Press" machine ready with Johnson Bezel Silk Screen containing text for vfo and "dots" for exciter and final controls. Above Center: Screen Press (opposite side) showing the open screen clamp assembly. Above Right: .Screen Press lined up and ready to go. |
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Above Left: Hammarlund HQ180 Panel ready for screen printing. |
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Above Left: Ranger II -Close Up of Operate Section Screenprint. |
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Above Left: Valiant - 1 Panel and Bezel. |
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Above: R390 Black Panel. |
Screen Printing
What is screen printing and how is screen printing done? This page will explain the process of how screen printing is accomplished and techniques that can be applied to make screen printing easier.
Screen printing is truly an art.
What's involved in screen printing? The following are are steps that one must go through to restore any radio panel.
Scan Panel into computer.
With Appropriate software, clean up and size a pattern or panel layout to duplicate the original panel stencil as close as possible even improving clarity from original.
LOTS OF TRIAL & ERROR With new pattern (Artwork) over original panel to make sure everything is where its supposed to be.
AND DON'T FORGET THE SECOND HALF THAT IS A DIFFERENT COLOR . Such as the rest of the logo, etc. From this the finished artwork pattern(s) are printed (ALL POSITIVE NOT NEGATIVES) ready to go to screen printing room.
Sunday, September 25, 2005 19:34ost of the screens I use are quite huge, some 24" x 30" as in to correct the Valiant and Johnson 500.As you probably guess, all new screens come from supplier blank. So the first thing that is done is scrub down and degrease new screens. Then a photo sensitive emulsion is applied to newSunday, September 25, 2005 19:34nt exposure of screens) we prepare to "burn" screens with new artwork.
Artwork is taped to bottom side of treated screen and put into exposure machine where vacuum pump evacuates all air from top of screen and under air tight flexible lid. Then ultra violet light exposes screen with pattern.
Screen is then removed and washed over with pressure water wash and then dried.
If everything looks good and any light pin holes are fixed, we move to screen print room. Here special epoxy ink is prepared and panels are "indexed" on a "monster".
