
Installation and Operational Instructions for
ROBA
®
-ES Couplings Type 94_._ _ _._ Sizes 14
– 65
(B.9.6.EN)
11/03/2022 TK/GH/GC/MD
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 13 of 29
Fig. 4
Table 11: Torsional Spring Rigidities
1)
Size
Static torsional spring rigidity
Dynamic torsional spring rigidity
C
T stat.
80 Sh A
[Nm/rad.]
C
T stat.
92 Sh A
[Nm/rad.]
C
T stat.
98 Sh A
[Nm/rad.]
C
T stat.
64 Sh D
[Nm/rad.]
C
T stat.
72 Sh D
[Nm/rad.]
C
T dyn.
80 Sh A
[Nm/rad.]
C
T dyn.
92 Sh A
[Nm/rad.]
C
T dyn.
98 Sh A
[Nm/rad.]
C
T dyn.
64 Sh D
[Nm/rad.]
C
T dyn.
72 Sh D
[Nm/rad.]
14
50
80
120
230
-
120
240
300
730
-
19
350
820
900
1400
2100
1050
1800
2200
4200
3200
24
820
2300
3700
4500
7200
1300
4800
7600
10800
10500
28
1300
3800
4200
7000
12500
2200
6800
10100
17200
23000
38
2000
5600
7400
9000
25000
3400
11900
19900
30500
45000
42
3500
9800
13800
15000
45000
5950
20500
31100
64900
80000
48
4300
12000
15100
28500
62000
7300
22800
44900
102800
110000
55
5100
14200
20500
56300
-
8300
25800
48200
117400
-
65
6800
19100
32800
90200
-
11500
36200
67400
164000
-
Only available as Type 940._11.P
14-32
50
80
120
230
-
120
240
300
730
-
19-37.5
280
660
720
1120
-
840
1440
1760
3360
-
24-50
600
1700
2700
3300
-
1000
3600
5700
8100
-
Relative torsional spring rigidity C
T H rel.
of the sleeve [10
6
Nm mm/rad.] for Size
14
19
24
28
38
42
48
55
65
0.65
2.18
6.26
11.15
18.11
109.66
254.50
421.75
555.18
1)
The C
T
-value of a double-jointed coupling can be roughly calculated as follows:
C
T ges.
=
1
2
Cr
+
Hs
[
mm
]
- 2 E [mm]
CT H rel.