Wittenstein Alpha Advanced SP+ 075, Operating Manual

Page: 34 / 52

Appendix SP
+
ATEX MC
en-32 2022-D014985 Revision: 07
10.6 Technical specifications
10.6.1 Technical data for SP
+
075 for use in potentially explosive atmospheres
Technical data for SP
+
075, 1-stage
Clamping
hub Ø
[mm]
Ratio i
3 4 5 7 8 10
Max. acceleration torque T
2B
[Nm]
(max. 1000 cycles per hour)
– 45 60 60 60 46 46
Nominal output torque T
2N
[Nm]
(At n
1N
)
– 28 48 48 48 30 30
Emergency stop torque T
2Not
[Nm]
(1000 times possible during the
service life of the gearbox)
– 115 115 115 115 115 115
Permissible average input
speed n
1N
[min
-1
]
(At T
2N
)
– 3200 3200 3200 3600 3600 3600
Max. input speed n
1Max
[min
-1
] – 3750 3800 4000 4500 4500 4500
Average no-load running
torque T
012
[Nm]
(For n
1
=3000 min
-1
and gearbox
temperature 20 °C)
a
– 1.1 0.88 0.72 0.49 0.42 0.40
Max. backlash j
t
[arcmin] – Standard ≤ 6 / Reduced ≤ 4
Torsional rigidity C
t21
[Nm/arcmin]
– 10
Max. axial force F
2AMax
[N]
b
– 2350
Max. lateral force F
2QMax
[N]
b
– 1770
Max. tilting moment M
2KMax
[Nm]
– 165
Service life L
h
[h] – see Chapter 7.2.4 "Replacing the gearbox"
Weight incl. standard adapter
plate m [kg] – 3.9
Operating noise L
PA
[dB(A)]
(For n
1
= 3000 min
-1
w/o load)
– ≤ 59
Max. permissible housing
temperature [°C] – +80
Ambient temperature [°C] – see Chapter 10.4 "Specifications for startup and
operation"
Lubrication – High-performance lubricating grease based on
mineral oil