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Elastomer Couplings EK - R + W Coupling Technology - #9

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MODEL EK6
BACKLASH FREE ELASTOMER COUPLINGS
with conical clamping ring
A
Properties:
■ high clamping forces
■ concentrically machined
■ easy mounting
■ damps vibrations
■ electrical insulating
■ backlash-free
■ press-fit design
■ axial mounting possible
Clamping hub and conical clamping: up to series 450 high strength aluminum, from series 800 and
up steel
Elastomer insert: precision molded, wear resistant, and thermally stable polymer
Two coupling hubs are concentrically machined with concave driving jaws
On the hub/shaft connection 0,01 to 0,05 mm
0B
Tzzz
Material:
C , C , \ E ISO 4762
Design: Tolerance:
TypeA/B/C
Model EK 6
800
A B I C
300
450
Type (Elastomer insert)
Rated torque
(Nm)
Max. torque
(Nm)
Overall length
(mm)
Outer diameter
(mm)
Mounting length
(mm)
Inner diameter range H7
(mm)
Inner diameter max. (elastomer)
(mm)
Mounting screw (ISO 4762/12.9)
Tightening torque of the mounting screw
(Nm)
Width Elastomer insert
(mm)
Moment of inertia per Hub
(10-3 kgm2)
Approx. weight
(kg)
Speed
(rpm)
A
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
12,6
16
4
17
21
6
60
75
20
160
200
42
325
405
84
530
660
95
950
1100
240
I ^Kmax I
I A
25
32
6
34
42
12
120 150
35
320 400 85
650 810 170
1060 1350 190
1900 2150 400
42
56
64
76
96
110
138
32
43
56
66
82
102
136,5
15
20
23
28
36
42
53
6 - 16
8 - 24
12 - 32
19 - 35
20 - 45
28 - 55
32 - 80
14,2
19,2
26,2
29,2
36,2
46,2
60,5
3x M3
6x M4
4x M5
8x M5
8x M6
8x M8
8x M10
2
3
6
7
12
35
55
9,5
12
14
15
18
20
25
0,01
0,015
0,08
0,15
0,4
1,3
9,2
0,08
0,12
0,3
0,5
0,9
1,5
9,6
20.000
19.000
14.000
11.500
9.500
8.000
4.000
Information about static and dynamic torsional stiffness as well as max. possible misalignment see page 5
1 Nm = 8,85 in lbs
Ordering example
EK6/ 60 / A/ 19.05/24 /XX
Access holes in the mounting flange are not necessary for EK 6 couplings. The unique assembly screw design (shown below) allows for easy axial mounting and dismounting of the coupling.
Model
Series
Type Elastomer insert
Bore 0 D1 H7
Bore 0 D2 H7
Non standard e.g. anodized
All data is subject to change without notice.
www.rw-america.com
R+W
9
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