Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 505)

Dresser/Wheel Radius Compensation
Chapter 15
15-17
We use pictorial representation to demonstrate the actual dresser/wheel
paths taken when using dresser/wheel radius compensation type A. The
following subsections give brief descriptions of the paths along with
figures to clarify the descriptions.
We define an entry move as the path that the dresser/wheel takes when the
radius compensation function first becomes activated in a program.
Figure 15.14 gives an example of a typical entry move. An entry move
must be a linear block.
Figure 15.14
Dresser/Wheel Radius Compensation Entry Move
Compensation entry move
Workpiece
Programmed dresser/wheel path
Dresser/wheel center path
G42 dresser/wheel radius compensation right
12093-I
The entry move of the dresser/wheel for type A radius compensation takes
the shortest possible path to its offset position. This position is at right
angles to and on the left or right side of the next programmed move in the
currently defined plane.
15.4
Type A Compensation Paths
15.4.1
Type A Compensation Entry
Moves