HEIDENHAIN CNC Pilot 4290 Pilot - Manual (Page 91)

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Chuck selection G65
G65 shows the chuck in the simulation. G65 must be programmed
separately for every chuck. G65 H.. without X, Z deletes the chuck.
Chucks are described in the database and are defined in CLAMPING
DEVICE (H=1..3).
”Q” determines the degree and the type of clamping (external or
internal).
Parameters
H:
Chuck number (H=1..3: Reference to CLAMPING DEVICE)
X, Z: Starting point – Position of the chuck reference point (X
diameter) – Reference: workpiece datum
D: Spindle number (reference: ”CLAMPING DEVICE” section)
Q: Grip form for chuck jaws (H=2) – no input: Q from the
”CLAMPING DEVICE” section.
Other G F
unctions
Spindle with workpiece G98
With G98 you can define which spindle is holding the workpiece.
The assignment of workpiece to spindle is necessary for thread cutting,
boring and threading cycles if the workpiece is not being held by the
main spindle.
Parameters
Q:
Spindle number – default: 0 (main spindle)