Eccentric Turning G725 - HEIDENHAIN CNC PILOT 640 User Manual

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Eccentric turning G725

G725 is used to machine turning contours outside the original
turning center.
The turning contours are programmed using separate turning
cycles.
Refer to your machine manual.
This function is set by your machine tool builder.
Prerequisites:
Y-Axis Machining software option
Synchronizing Functions software option
Parameters:
H: Activate coupling
H = 0: Deactivate coupling
H = 1: Activate coupling
Q: Reference spindle – number of the spindle coupled with
axes X and Y (machine-dependent)
R: Center offset – distance from eccentric center point to
original turning center (radius value)
C: Position C – C-axis angle of the center offset
F: Max. rapid traverse – permissible rapid traverse for X and Y
axes with activated coupling
V: Direction reversal in Y (machine-dependent)
V = 0: The control uses the configured axis direction for Y-
axis movements
V = 1: The control reverses the configured axis direction for
Y-axis movements
Programming notes:
Program a workpiece blank increased by the center
offset in the radius if you are using turning cycles
that are referenced to the workpiece-blank definition
Program the starting point increased by the center
offset in the radius if you are using turning cycles
that are not referenced to the workpiece-blank
definition
Reduce the spindle speed if you increase the center
offset
Reduce the maximum rapid traverse F if you increase
the center offset
Use identical values for the parameter Q when
activating and deactivating the coupling
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DIN/ISO programming | Other G codes
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017