Signvec manufactures engraving materials that you can get in
a wide variety of color, thickness and finishing options which you may find to
experiment with the color of the engraving when using engraving equipments.
There are a number of approaches you can take and the three most popular
coloring methods for using engraving equipments are oxidizing, paint stick and
paint filling.
Oxidizing uses a mild acid to blacken the engraving
performed on brass or aluminum. Since the oxidizing is not selected on where it
works on the engraving equipment, it can be used only on metals that already
have some kind of coating which is already removed through the engraving
process. Brass has a lacquer coating or a similar finish and the aluminum is
usually coated with lacquer or it can be anodized. Remove those finishes with
engraving equipment which has diamond graver, burnishing or rotary cutter by
which you can blacken the exposed areas with the oxidation solution without
affecting the other areas of the plate.
Oxidizing substance is best applied with the cotton swabs as
opposed to a dauber and always remember to keep the engraver free from oil or
fingerprints. Apply oxidizer soon after the engraving process is completed, so
the full effect of the oxidizer can be applied in the process. Paint Stick -
Applying a color to the work of engraving equipment can be done only on rotary
engraved plates which have sufficient depth. This is usually done using paint
through a paint stick that looks like a large crayon and they come in a variety
of colors and are easy to use.
You just start by shaving the end of the paint stick to
remove the skin on it, then rub the stick across the engraving as if using the
crayon until all the letters are filled, wipe off the excess paint with a paper
towel as well. Both alcohol and paint thinner work well in removing any excess
film that does not wipe away easily, but you will find it much easier to let
the paint dry overnight and later wash it with warm water. Paint sticks are
convenient and durable, but they don't have smooth gloss that you'll get from
actual paint.
Paint filling offers the best options for coloring the work
of engraving equipment when it comes to materials, colors and applications.
Metals and rigid plastics generally work best with fast-drying, oil based
enamel with mineral spirits for cleaning. Soft plastics and other materials may
be damaged by caustic solvents, but latex or acrylic paints work best with
alcohol or water used for cleanup. Aside from the paint, you will also need a
brush, an old phone book or newspaper and stiff pieces of tough paper closer to
the size and weight of your average business card.
Always make sure that the engraving is smooth, burr free and
have enough depth in holding the paint. When using engraving equipments, you'll
require coloring options. The right method depends on the material and depth of
the paint. Coloring gives the engraver more to work during the creation of an
attractive sign with eye catching lettering and it is always best to have
options.
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