RTC6 boards
Doc. Rev. 1.0.21 en-US
10 RTC6 Commands
772
Comments
(cont’d)
• The Wobbel Mode is terminated by setting both amplitudes and/or the frequency
to zero (more accurate for –n
Freq
n with n = 50000/65536 = 0.7629…).
• The frequency is signed. During the figure-of-8’s first loop, the wobbel vector
rotates clockwise for positive values and counterclockwise for negative values.
Thus, (especially for ellipse-shaped wobbel motions), the inner and outer point
densities of arcs can be individually set independently of their actual direction of
rotation.
• At the beginning of a marking, (after set_wobbel or a jump), the wobbel start
point is generally set for the same value relative to the vector/arc startpoint; it is
repeatedly continued, however, for Polyline (including arcs).
For identical amplitudes (
Longitudinal
=
Transversal
), the wobbel startpoint is
permanently referenced to the coordinate system, that is, independent of the current
direction of motion.
• For an angle, elliptical or figure-8 wobbel movements can result in more or less small
jumps after reaching the corner, depending on the current wobbel phase.
This does not occur (= “rounded corners”) if the wobbel motion is exactly circular
(
Longitudinal
=
Transversal
).
•
Longitudinal
= 0 produces a sine-shaped wobbel motion across the direction of
movement.
• For “freely definable wobbel shapes”, the parameter
Freq
has no meaning.
It must nevertheless lie within the valid range, because otherwise the Wobbel Mode
gets deactivated.
This also applies to the parameters
Transversal
and
Longitudinal
.
• If the Wobbel Mode gets deactivated, then any already-defined wobbel shape remains
active and is used upon the next switch-on of the Wobbel Mode with
Mode
> 1.
This also applies, if the wobbel figure has been previously saved by create_dat_file and
then loaded by load_program_file.
• When defining the wobbel shape and its frequency take the dynamics of the scan head
and laser into account. Otherwise, an overheating and even a permanent damage of
the system may occur, see Chapter 8.4.1 ”Wobbel Shapes – Important Notes on
Choosing Appropriate Parameter Values”, page 234.
Delayed Short
List Command
set_wobbel_mode
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