Screenprinting Basics - Setting up
setup - applying emulsion
1. in a “darkroom†(any small room with a red light) mix sensitizer and emulsion together according to the
instructions on the label.
2. in the dark, pour some sensitized emulsion into the scoop coater and apply to the upright screen, keeping in mind that you should apply just enough of a thin coat to cover the mesh.
3. let the screen dry (i use a fan to hasten the process.)
setup - the image
1. get a transparency of the graphic that you want to use made at kinko’s. think of the transparency as a stencil. the images should be black where
you want color to be and transparent everywhere else. you’ll need to print a separate transparency for each color that
you want to print.
2. place the transparency backwards on the screen once the emulsion has dried. place the acrylic sheet on top of
the screen and transparency to keep it flat and place the black board under the screen to make sure that light doesn’t bounce back up through the screen to expose the back.
setup - the exposure area
1. cut a cross in the center of the pie tin and place the light fixture through the hole. then put the bulb into the
fixture and hang the whole contraption 10 inches from the screen (for a small screen) or 14 inches from the
screen (for a large screen.)
2. expose the screen to light (based on using a 150 watt photoflood bulb) for 10 minutes (for a small screen) or 20 minutes (for a large screen.)
setup - rinsing
1. once the screen is finished being “burned,†rinse it under the bathtub sink until the loose emulsion rinses
out. you may wish to get a bristle brush to help the process along. just make sure to be gentle.
2. dry the screen
setup - the rig
1. screw the hinges to a piece of thick particle board or wood (anything flat and sturdy will do.)
2. glue a piece of cardboard the size of the paper that you’ll be using to the rig to lift it slightly off the base.
3. glue slightly thicker pieces of cardboard to the area immediately around the edge of the cardboard to serve
as guides for alignment.
4. tape a printout of your design on the large cardboard to use as a guide for registration.
No Comments »
RSS feed for comments on this post. TrackBack URL



