Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set User Manual
Page 421
Axis Motion
Chapter 12
12-49
CSS While Grinding Part (cylindrical grinding application)
Example 12.21 applies strictly to a cylindrical grinder. It shows how the
part spindle speed changes as the diameter of the part being ground
changes. The following conditions are assumed for this example:
the S--word for this machine applies to the part spindle
the X axis has been selected as the CSS axis
constant K is 318.31 (metric constant)
the maximum part spindle speed is 3,500 rpm
Example 12.21
CSS while Grinding a Rotating Part
Program
Comments
G90 G08;
activate absolute and diameter prog. modes
M58;
enable CSS
G96 L0 S800;
CSS mode, surface speed of 800 m/min
G00 X220. Z70.;
rapid move to position wheel above part
G01 X0. Z160.;
feed move along X and Z, part speed increases
G00 X220.;
rapid pull wheel out, part speed decreases
G97 S400.;
cancel CSS mode, set part speed to 400 rpm