6
7
Due to constant improvements to and further developments of our designs, the information and illustrations in this brochure are non-binding.
The specifications and mounted lengths provided by the machine manufacturer must be observed. All specifications are in mm.
Instruction manual
μGrind Nann 3409E
1.
Insert the clamping sleeve and screw in clockwise
until resistance is noticed. While turning you may
notice the latching ring clicking (latching sound).
2.
As soon as you notice any resistance, unscrew the
clamping sleeve counterclockwise for two clicks.
One ratchet = one click.
3.
Turn the blue ring into CLOSE position (fig. 1).
Step 5:
Install Clamping sleeve
1.
Use machine control to move push rod into forward
position. The µGrind chuck opens automatically.
2.
Turn the blue ring into OPEN position (fig. 1)
Step 4:
Prepare for Clamping sleeve
Instruction manual
μGrind Nann 3409E
1.
Insert a fitting test pin into the clamping sleeve and
move the push rod into backward position using
machine control.
This procedure clamps the test pin.
Step 6:
Insert Test Pin
NOTE on run-out and repeatability:
Adjust run-out using two dial gauges and a long test
pin. The longer the test pin, the better the adjustment
results. Only use high quality test pins.
Step 1:
1.
Install the two dial gauges (Fig. 1)
2.
Get the adjustment hammer (3) and the
wrench (4) ready.
3.
Assure adjustment screws to be loosened.
4.
Run the machine on manual mode.
Preparation
4 Adjustment screws
The easiest way to change clamping sleeves quick and
safely is to use our CoFix clamping sleeve wrench.
Detail: blue ring in OPEN position
Fig. 1
IMPORTANT:
move push rod into forward
position to open the chuck.
Push rod is in
forward position.
Detail: blue ring in CLOSE position
Fig. 2
Clamping sleeve
must
NEVER
be clamped without pin / blank / tool inside.
CAUTION:
during each machine shut down,
a tool must remain clamped
in the chuck, when mounted.
IMPORTANT:
move push rod into backward
position to clamp the test pin.
Adjustment
Run-out and Repeatability
Use two dial gauges with a resolution of at least
0,0001mm.
Please take some time to adjust run-out and wobble. The better you adjust the µGrind chuck the first time, the more
precise it will remain when changing clamping sleeves.
Fig. 1
