Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 487

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Angled-Wheel Grinding
Chapter 14
14-19
When you make the transition into angled-wheel mode, zone values
entered for the W axis are transformed over to the X axis based on your
current wheel axis angle. The equation used to transform values from the
WtotheXaxisisasfollows:
X zone value = (COS A)(W zone value)
Where:
A = wheel axis angle
W = min or max W axis zone value
Figure 14.6
Programmable Zone on an Angled-Wheel Grinder
in Angled-Wheel Mode
10
10
20
20
+Z
+X
+W
30 40
10
30
Protected
Zone
30°
While in angled wheel mode if you decide to change any of the zone
values, either through the programmable zone tables, or through
programming (for zone 3 only), you assign values to the X axis. These
values are used as you entered them for the X axis and no calculation is
made. When you make the transition out of angled wheel mode (G15), t he
zone values entered for the X axis are transformed over to the W axis
based on your current wheel axis angle. The equation used to transform
values from the X to the W axis is as follows:
X zone value
(COS A)
= W zone value
Where:
A = wheel axis angle
W = min or max W axis zone value
While in angled wheel mode you can not enter W axis zone values. Also
X axis values can not be entered in non-angled wheel mode (G15).
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