Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 391)

Axis Motion
Chapter 12
12-19
Figure 12.11
Results of Line into Arc Without Intersection, Example 12.10
X
Z
135
°
90
°
K
I
20
15
10
5
5 10 15 20 25
R 10.0
12151-I
Important: R cannot be programmed to specify the arc radius for
linear-to-circular block combinations unless the two paths are tangent.