Z --y – Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set User Manual

Page 419

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Axis Motion

Chapter 12

12-47

Figure 12.23

Results of Example 12.19, CSS while Surface Grinding

500

3

2

1

Grinding

wheel

300

--Z

--Y

12105-I

400

Part

Grinding Wheel Position

Wheel Diameter after

dressing (mm)

Wheel Spindle Speed (rpm)

1

500

5,730

2

400

7,162

3

300

9,549

CSS While Dressing Wheel (surface/cylindrical grinding application)

Example 12.20 shows how the wheel spindle speed changes with CSS
active as the wheel is dressed to different diameters. The following
conditions are assumed for this example:

the S--word for this machine applies to the grinding wheel spindle
the X axis has been selected as the CSS axis
constant K is 318.31 (metric constant)
the wheel spindle speed is to be limited to 9,000 rpm

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