Operation Manual

HEIDENHAIN CNC PILOT 4290 485
6.13 Preparing a Machining Process
Rechuck – Standard machining
Use “Rechuck – Standard machining” for front-face and rear-face
machining with separate NC programs.
TURN PLUS
 Mirrors the workpiece (blank and finished part) and shifts the zero
point by “Nvz.”
 Rotates lateral surface contours or contours of the YZ plane by
“Wvc.”
 Deletes the chucking equipment used for the first setup.
Rechuck:
U Select “Prepare > Chucking > Rechuck > Standard machining.”
TURN PLUS opens the “Rechuck workpiece” dialog box.
U Enter the rechucking parameters.
Parameters
Nvz Zero point shift (proposed value: length of the finished
contour)
Wvc Angular shift
 Save the working plan of the first setup before
rechucking. When you use the rechucking function,
TURN PLUS deletes the previous working plan and the
operating resources used.
 Rechucking is no substitute for chucking.