375
13.08 Engraving
•
IMPORTANT!
Do not attempt to use the smaller thinner drill bits for engraving!
•
With engraving, the
CD/ED
is how deep you want the engraving to be. In general, that number can be
relatively low. The best approach is to refer to the table at the end of this chapter. If the material or a similar
material is not listed, then start with a conservative estimate, such as 5. More passes and a higher
ED
can
be used to achieve the desired effect. Also, use a low
SD
to allow the tool to work its way to the engraving
depth desired.
•
The change in
CD/ED
varies slightly along the Z Axis. For engraving, you can approximate the
CD/ED
to
enter using the following table. As with all applications, performing tests with small shapes is the key to
optimizing the settings:
CD/ED
inches
mm
CD/ED
inches
mm
1
~0.0004
~0.01
140
~0.056
~1.42
10
~0.004
~0.10
150
~0.060
~1.52
15
~0.006
~0.15
160
~0.064
~1.63
20
~0.008
~0.20
180
~0.072
~1.83
30
~0.012
~0.30
200
~0.08
~2.03
40
~0.016
~0.41
220
~0.088
~2.23
50
~0.020
~0.51
240
~0.096
~2.44
60
~0.024
~0.61
260
~0.104
~2.64
70
~0.028
~0.71
280
~0.112
~2.84
80
~0.032
~0.81
300
~0.120
~3.05
90
~0.036
~0.91
320
~0.128
~3.25
100
~0.040
~1.02
340
~0.136
~3.45
120
~0.048
~1.22
360
~0.144
~3.66
•
Remember to set all four speeds to appropriate low values. Refer to the table in
Section 13.03
.
•
Reminder: Avoid bumping the Force or the mat while the rotary tool is in use. This can cause defects or
even breakages in the final product.
•
Reminder: Keep the pinch wheels clean. An accumulation of dust or fine shavings can prevent proper
gripping of the mat and will result in a distortion of the engraving.
•
For more information on engraving, check out the following link submitted by Michele Harvey:
http://www.antaresinc.net/EngFact.html
•
Single line fonts are very useful in engraving. Here is a link for a free collection in TTF format:
http://www.mrrace.com/CamBam_Fonts/
For Engraving Use only!
CD/ED when cutting
Turn on the power to
the rotary tool here.
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