
ROTEX
®
Operating/Assembly instructions
Type ZR
KTR-N
Sheet:
Edition:
40215 EN
12 of 15
3
Please observe protection
note ISO 16016.
Drawn:
2018-08-28 Pz
Replacing:
KTR-N dated 2014-03-11
Verified:
2018-09-11 Pz
Replaced by:
Table 5: Displacement figures
Size
Max. axial
displacement
K
a
[mm]
Max. angular displacement
K
w
[degree] with n =
Max. radial displacement
K
r
[mm]
1500 rpm
3000 rpm
19
1.2
1.0
0.75
1) Calculate the distance from the center of one
spider to the center of the other spider L
ZK
(see illustration 1 and 2)
L
ZK
= L
ZR
- 2 x l
1
- E
2) Calculate the maximum radial displacement
K
r
(see illustration 11)
K
r
= tan
K
w
x L
ZK
24
1.4
28
1.5
38
1.8
42
2.0
48
2.1
55
2.2
65
2.6
75
3.0
Please observe the critical
bending speed of the
coupling.
Illustration 13: Critical
bending speed of type ZR
4
Assembly
4.7 Displacements - alignment of the couplings
4.8 Critical bending speed