HEIDENHAIN CNC Pilot 4290 - Manual (Page 289)

HEIDENHAIN CNC PILOT 4290 277
Continued
6.11.1 Chucking a Workpiece
Chucking a workpiece at the spindle
Chucking a workpiece at the spindle
Select ”Prepare - Chucking - Chuck.”
<
Select ”Spindle side.”
<
Select the type of chuck from the drop-down menu - TURN PLUS
opens the corresponding dialog box:
■ Two-jaw chuck
■ Three-jaw chuck
■ Four-jaw chuck
■ Collet chuck
■ Without chuck (face driver)
■ Three-jaw chuck indirect (face driver in chuck with jaws)
<
■ Enter the data for clamping
■ Define the clamp range
<
TURN PLUS displays the selected chucking equipment and the
cutting limit (red line).
6.1
1 Pr
epar
e
Select first the type of chuck and the jaw
type. TURN PLUS takes these data into
account in the selection of the ID number
of the chuck jaw.
■ You can set/change the cutting limits.
■ If you do not use ”clamp” TURN PLUS
assumed standard values.
■ You define the chucking equipment for
the second setup after machining the first
setup.
■ When the workpiece is clamped at the
spindle and the tailstock, TURN PLUS
assumes shaft machining (see also
”
6.16.9 Shaft Machining”).
6.11 Preparing a Machining Process
The ”Prepare” function defines the chucking equipment, the
position of the chucking equipment, and TURN PLUS specific turret
assignments.
For chucking a workpiece, TURN PLUS determines the
■ Cutting limitation on the inside and outside of the contour
■ Zero point shift (is taken into the NC program as a G59 command)
and transfers the following setup information to the program head
(see ”
6.2.2 Program Head”):
■ Clamping diameter
■ Unclamping length
■ Clamping pressure