Section 7: Using the Epilog Dashboard
82
Raster Settings
Speed
The Speed setting determines the travel speed of the carriage in Raster mode and
is adjustable in 1% increments from 1 to 100%. The slower the speed, the deeper
the engraving. Speed settings are heavily dependent on the hardness and the
thickness of the material being engraved, with harder materials requiring slower
speeds for deeper engraving. Slower speed settings will produce greater depth of
engraving. Please refer to the Speed & Power Recommendations section of this
manual.
An important note: Speed and Power settings can sometimes be confusing
because not all materials that can be marked at the highest speeds and powers
should be marked at the highest speed or power. Many users feel that if a mark
can be made at high speed, it’s just a matter of adjusting the power to produce an
acceptable mark. Usually, this is the case, but unfortunately, for some difficult
materials it doesn’t always work. For some materials, the length of time the laser
reacts with the material is much more important to producing a good mark than
the raw speed of the system or the amount of laser power that is output by the
laser.
The interaction of the laser with different materials is a complex process, and this
is especially true for some materials that are actually two different materials that
have been bonded together. Since the laser interacts differently with each layer of
material (and sometimes even the bonding agent), you may be better off slowing
the machine down to give the laser time to properly interact with the different
layers in the material.
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