Rockwell Automation 8520 9/Series CNC Lathe - Manual (Page 139)

Editing Programs On Line
Chapter 5
5-33
The following subsection assumes that steps 1-5 in on page 5-28 have
been completed to initiate a digitizing operation.
To digitize an arc:
1. Press the
{CIRCLE 3 PNT}
softkey if you know 3 points on the circle.
When you press the
{CIRCLE 3 PNT}
softkey, the control sets the
current tool position as the start point (first point of 3 that is
necessary to describe an arc) of a circular move. The screen changes
to display the current tool location in large display characters.
RECORD
MID PT
STORE
END PT
EDIT &
STORE
E-STOP
DIGITIZE:
TARGET[ MM ]
Z - 0.000
R
X - 0.000
C - 359.99
F 0.000 MMPM S 00
2. Reposition the tool at any point on the arc between the start and the
end point using any of the following methods:
Jog the Axes in manual mode.
Automatically move the axes by executing a part program or MDI
program.
Manually move the axes using any means as long as the encoder is
still actively recording the tool position (see documentation
prepared by the system installer).
5.4.2
Digitizing an Arc (3 Points)