SUHNER MACHINING SPINDLEmaster BEX 8, Technical Document

Page: 21 / 36

After the motor has been connected, the spindle’s sense
of rotation must be checked. Correcting a wrong sense
of rotation involves swapping over any two of the phase
conductors.
2.2.2 B
Arrier Air
Screw the nipple tightly into the spindle housing (1). Re-
place one of the four screws in the cover with a nipple (2).
Connect hosing to the pneumatic connections, and con-
nect a permanent supply of treated compressed air com-
plying with DIN ISO 8573-1, 4.4.4 at 0.3–0.5 bar gauge
pressure.
Barrier air is not needed when there is no contamination
to the motor mount. In this case, the threaded hole must
be sealed tightly.
Please note that the barrier air must be supplied
for the duration of acute contamination, i.e. pos-
sibly for a time after the end of machining.
2.3 r
Ating dAtA
Maximum speed 30000min-1
Maximum torque 50Nm
Concentricity 0.005mm
Tool holder
ER 20
Motor power 0,75kW (50Hz, 2900)???
Type of motor protection IP 55
Working speed (withous FC) 50Hz 6305-15130min-1
Working speed (withous FC) 60Hz 7565-18157min-1
Weight 13/15kg
Paint coating RAL 5012
Maximum axial force 950N
2.4 O
perAting cOnditiOns
Temperature range during operation: +5 to +50°C
Maximum relative air humidity: 90% at +30°C, 65% at
+50°C
Motor power: 400/460 V, 50 - 60 Hz
Sensor power: 10...30 V DC
The machine must be protected against direct spray and/
or pressurized cutting fluids.
2.5 n
Otes en sAfety during cOmissiOning
Before all work on the machine, it must
first be disconnected from the power sup-
ply.
Only a qualified person familiar with the safety regulations
may start up the machine.
Always conduct test runs without workpieces.
Check the sense of rotation before starting the machine.
The operator must make sure that the components are
integrated and operate safely in the machine.
Only a qualified person may connect the electrical power
supplies in accordance with the local regulations.
The local grounding regulations must be observed and
implemented, and this implementation inspected.
Do not start the machine until the spindle has come to a
stop.
Use only suitable tools, and never modify tools for an ap-
plication they have not been designed for.
After transport, all electrical and mechanical connections
must be examined for damage and loosening, and any
remedial measures taken.
The machine’s working area must be unobstructed and
secured against unauthorized access.
The motor’s and spindle’s sense of rotation may be
checked only when there is no tension in the belt. Correct-
ing a wrong sense of rotation involves swapping over any
two of the phase conductors. The motor cable’s shielding
must be connected to the motor housing over a large area
at the terminal board.
3. h
anDling
/o
PEration
3.1 m
Achine
3.1.1 c
hAnging the driVe cOnfigurAtiOn
The machine is delivered adjusted with the drive
configuration specified in the order.
21
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