![Wittenstein Alpha Advanced Line SP+ 075 ATEX MC Operating Manual Download Page 36](http://html.mh-extra.com/html/wittenstein-alpha/advanced-line-sp-075-atex-mc/advanced-line-sp-075-atex-mc_operating-manual_990164036.webp)
Appendix
SP
+
ATEX MC
en-34
2022-D014985
Revision: 08
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
Lubrication
–
High-performance lubricating grease based on
mineral oil
Direction of rotation
–
In- and output same direction
Mass moment of inertia J
1
[kgcm
2
]
Refers to the drive
14
0.23
0.20
0.20
0.18
0.18
0.18
19
0.55
0.53
0.52
0.50
0.50
0.50
a
No-load running torques diminish during operation
b
Refers to the center of the output shaft or flange
Tbl-22: SP
+
075, 2–stage, i = 16 – 35: Technical data for use in potentially explosive atmospheres
Technical data for SP
+
075, 2-stage, i = 40 – 100
Clamping
hub Ø
[mm]
Ratio i
40
50
64
70
100
Max. acceleration torque T
2B
[Nm]
(max. 1000 cycles per hour)
–
60
60
46
60
46
Nominal output torque T
2N
[Nm]
(At n
1N
)
–
50
50
30
50
30
Emergency stop torque T
2Not
[Nm]
(1000 times possible during the service life
of the gearbox)
–
115
115
115
115
115
Permissible average input speed n
1N
[min
-1
]
(At T
2N
)
a
–
3600
3600
3600
3600
3600
Max. input speed n
1Max
[min
-1
]
–
4500
4500
4500
4500
4500
Average no-load running torque T
012
[Nm]
(For n
1
=3000 min
-1
and gearbox
temperature 20 °C)
b
–
0.16
0.16
0.16
0.15
0.14
Max. backlash j
t
[arcmin]
–
Standard ≤ 8 / Reduced ≤ 6
Torsional rigidity C
t21
[Nm/arcmin]
–
10
Max. axial force F
2AMax
[N]
c
–
2350
Max. lateral force F
2QMax
[N]
c
–
1770
Max. tilting moment M
2KMax
[Nm]
–
165
Technical data for SP
+
075, 2-stage, i = 16 – 35
Clamping
hub Ø
[mm]
Ratio i
16
20
25
28
32
35