Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 503)

Dresser/Wheel Radius Compensation
Chapter 15
15-15
Figure 15.12
Results of Dresser/Wheel Radius Compensation Program Example
Relative Dresser center path (opposite
actual wheel path)
X
Z
N1
N2
N3
N4
N5
N6
Grinding Wheel
0
Wheel
control
point
12092-I
In certain instances, dresser/wheel radius compensation creates a
non-programmed move called a generated block. These blocks improve
cycle time and corner-cutting quality.
Dresser/wheel radius compensation generates blocks for type A or B
moves as follows:
Type of Move Type A Type B
Entry Move No block is generated Block is generated
Dresser/Wheel Path Block is generated Block is generated
Exit Move No block is generated Block is generated
Important: These blocks are created only if:
G41 is active and you program an inside angle that is less than 90
°
G42 is active and you program an outside angle that is more than 270
°
15.3
Generated Compensation
Blocks G39, G39.1