Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 421

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AxisMotion
Chapter 12
12-49
CSS While Grinding Part (cylindricalgrinding 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; activateabsoluteanddiameter prog. modes
M58; enable CSS
G96 L0 S800; CSSmode,surface speed of800m/min
G00 X220. Z70.; rapid movetopositionwheelabovepart
G01 X0. Z160.; feed movealong X and Z, partspeed increases
G00 X220.; rapidpull wheel out,partspeed decreases
G97 S400.; cancel CSSmode,setpartspeedto 400 rpm
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