Struers Unitom-50, Instruction Manual

Page: 18 / 225

Unitom-50
Instruction Manual
14
„
Open the protection guard and swing the right cooling tube to
the right.
„
Press the black locking knob on the left-hand side of the cut-off
wheel, turning the cut-off wheel until the spindle lock clicks.
„
Remove the nut with a fork spanner. Remove the flange and
the old cut-off wheel.
„
Mount the new cut-off wheel.
„
Mount the flange and the nut. Tighten carefully.
„
Swing the right cooling tube back into position.
„
Place the workpiece between the clamp and the back stop at
the right hand cutting table.
„
Push the clamp towards the workpiece and lock the quick-
clamping device with the locking handle.
„
After clamping, you may lower the cut-off wheel to a position at
least 1 mm above the workpiece, to test the correct position of
the cut on the workpiece.
„
Press POSITION DOWN
V
to lower the cut-off wheel.
„
The cut-off wheel stops when you stop pressing the key.
„
You can follow the position of the cut-off wheel in the display:
„
Leave the cut-off wheel in position before you press START
s
.
Changing the Cut-off Wheel
IMPORTANT
The spindle in Unitom-50 is right-hand threaded.
IMPORTANT
Conventional cut-off wheels based on Al
2
O
3
/SiC abrasives should be placed
between two cardboard washers, to protect the cut-off wheel.
For maximum precision with diamond or CBN cut-off wheels, do not use
cardboard washers.
Clamping the Workpiece
Positioning the Cut-off Wheel