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A P P L I C A T I O N A N D O P E R A T I O N
E N
6.2
Changing the blank holder
In delivery condition, the milling machine is
equipped with a 71 blank holder. For processing
varying materials, it may be required to use a dif-
ferent blank holder.
To change the blank holder:
▷
With the door closed, press operation button [A]
for at least three seconds.
The current tool is placed down. The blank
holder [2] moves to the change position.
Fig. 14 Changing-position of the blank holder
1
Fastening screw for blank holder
2
Blank holder
▷
Loosen fastening screw [1].
▷
Depending on the model, pull off the blank
holder toward the right or toward the bottom.
▷
Clean the locating bore and surfaces.
▷
Check the pin of the blank holder and clean if
required.
▷
Insert the blank holder with the pin to the stop
in the locating bore.
▷
Tighten fastening screw [1] with with the sup-
plied torque wrench.
▷
Briefly press operation button [A].
The machine moves to the starting position.
6.3
Checking the Model Area
The model area, on which the work is to be
machined, must fit within the contour of the
enclosed template. Otherwise, the work cannot be
machined in the blank.
The template takes into account the shrinkage of
the zirconium oxide in the final sintering.
Fig. 15 Template for zirconium oxide opaque
▷
For work in wax or plastic, measure out the
model area.
NOTE:
Inaccurate working results or damage to the
blank-holder fixture possible!
▷
Tighten fastening screw [1] with a torque of
4 Nm.
The torque wrench included in the delivery
scope is appropriately set.
2
1