29
NEF POWER-LOCK
2 -
φ
Q x R, Drilled
Pressure flange
Power-Lock
Square hub
Spacer
U-nut
Washer A
Disk
Washer B
Reamer bolt
Pressure bolt
C
B
E
E
J
B
F
A
L
L
C
F
Unit:
mm
Notes 1. * Both the hub and the pressure flange have machined shaft bores for double Power-Locks within the standard stock shaft diameter range. Select a Power-Lock shaft diameter from the table on p. 31.
2. * The maximum shaft diameter includes a margin for mounting the Power-Lock.
3. The maximum rotation speed depends on the transmission capacity of the coupling.
No balance adjustment has been conducted.
4. The weight, moment of inertia and GD
2
are the values at maximum bore diameter.
5. The allowable axial displacement is based on the assumption that the angular misalignment is “0”.
6. NEF45 or larger sizes can be also manufactured with a Power-Lock. Contact for drawings.
Model No.
Allowable Torque
N
･
m {k
g
f
･
m}
Max.
Rotation
Speed
r/min
Rough
Bore
*
Standard Stock
Shaft Dia.
*
Max.
Shaft Dia.
Torsional Stiffness
N
･
m/rad {k
g
f
･
m/rad}
A
*
D
D
F
NEF25W
245 {25}
15000
15
18
-
42
42
12.7
×
10
4
{1.3
×
10
4
}
150
45
3
NEF04W
39.2 { 4}
20000
8
10
-
22
22
1.18
×
10
4
{0.12
×
10
4
}
108.8
29
3
NEF10W
98 {10}
20000
10
14
-
35
35
3.92
×
10
4
{0.4
×
10
4
}
115.8
37
3
NEF18W
176 {18}
18000
12
14
-
35
35
7.84
×
10
4
{0.8
×
10
4
}
130.4
39
3
Model No.
L
R
U
Allowable Misalignment
Weight
k
g
Moment
of Inertia
k
g
・
cm
2
GD
2
{k
g
f
･
cm
2
}
Angular
Misalignment
de
g
(Note)
Axial
Displacement
NEF25W
64
13
78.3
0.7
2
±
2.8
3.9
47
{189 }
NEF04W
40
7
−
0.5
2
±
1.6
1.4
7.1
{ 28.3}
NEF10W
54
10
66
0.55
2
±
2.0
7.9
14
{ 58 }
NEF18W
54
10
68
0.6
2
±
2.4
2.7
27
{109
}
J
E
G
H
M
N
Q
36
6.1
52
−
M6
×
22
r
4
4
39
6.6
66
47
M6
×
22
r
4
7
47
8.3
66
49
M6
×
22
r
4
7
53
11.2
78
60
M8
×
28
r
4
8
K
67.5
81
93
104
Axial Spring
Constant
N/mm {k
g
f/mm}
B
C
20.6 {2.1}
25.4
8
29.4 {3 }
25.4
10
63.7 {6.5}
28.7
10
78.4 {8 }
33.5
12
Parallel
Misalignment
Dual-Side Power-Lock: Spacer Type Couplings
Spacer Type NEF04W
Spacer Type NEF10W, NEF18W, NEF25W
TRANSMISSION CAPACITY / DIMENSIONS
Summary of Contents for ECHT-FLEX NEF130W
Page 1: ...EMER FLEX COUPLING...
Page 9: ...8 EMER FLEX Example of Mounting Example of Mounting...
Page 36: ...35 35 NEW PRODUCTS...
