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Tsubaki Emer-Flex Couplings - 48 Pages

13
NES30W - N10C X N12C
( )
œ High torsional stiffness
The high torsional stiffness enables the couplings to provide excellent trackability for
servo motors, making the NES Series perfect for precision control applications.
œ Compact & low moment of inertia
NES Series couplings employ extra super duralumin in the hub and the spacer, resulting
in a compact body. With the reduced outer diameter, this type also lowers the moment of
inertia.
œ RoHS compliant
The NES Series offers environmentally conscious designs that comply with the RoHS
Directive.
œ Shipment of fully assembled parts
NES Series couplings are shipped as a complete assembly (with finished bores), so the
coupling can be directly mounted to your equipment.
Series
Size
Spacer Type Type of Hub
N: Standard Hub
Bore Diameter (mm)
Clamp
Reference Number System (Example)
D
D
K
B J B
A
Cross-section X-O-Y
X
O Y
E E
Model No.
Refer to the ÒStandard bore diameter and the transmission torque
for each bore diameterÓ table (on the next page).
Allowable
Torque
N¥m
{kgf¥m}
Torsional Stiffness..
N¥m/rad
{kgf¥m/rad}
..
Weight..
g
..
GD2..
{kgf¥cm2}
Moment
of Inertia..
..
kg¥m2
Axial
Spring
Constant..
N/mm
{kgf/mm}
Clamp Bore Dia...
öD mm
Dimensions
mm Allowable Misalignment
A B E öK J
Max.
Rotation
speed..
r/min
Bore Dia.
Range
Angular
Misalignment..
deg
Whole
Coupling
Disk
Only
Parallel
Misalignment
mm
Axial
Displacement
mm
Standard
Bore Dia.
(Note 5) (Note 1) (Notes 4, 6) (Note 3) (Note 2) (Note 2) (Note 2)
1.4
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
0.05
0.12
0.15
0.18
0.24
0.24
0.25
0.28
0.34
0.52
±0.24
±0.36
±0.60
±0.80
±0.80
±0.90
±1.1
±1.4
±1.4
±1.8
9
17
32
53
76
97
160
320
510
1200
0.32×10-6
0.90×10-6
2.7 ×10-6
8.0 ×10-6
14 ×10-6
21 ×10-6
47 ×10-6
140 ×10-6
320 ×10-6
1100 ×10-6
{0.01}
{0.04}
{0.11}
{0.32}
{0.54}
{0.84}
{1.9}
{5.7}
{13}
{45}
210
{21}
420
{43}
1000
{100}
1600
{160}
2100
{210}
4600
{470}
6200
{630}
11000
{1100}
23000
{2300}
46000
{4700}
600
{61}
1300
{130}
2800
{290}
4200
{430}
6500
{660}
9500
{970}
15000
{1500}
22000
{2200}
39000
{4000}
110000
{11000}
87
{8.9}
47
{4.8}
43
{4.4}
24
{2.4}
25
{2.6}
29
{3.0}
33
{3.4}
11
{1.1}
27
{2.8}
33
{3.4}
18.9
26
31.7
35.6
40
45.5
48.1
59
70.9
97.9
7.5
8.9
11
11.8
12.5
15
15.7
20
23.5
31.5
0.85
1.1
1.1
1.5
1.5
1.75
2.6
3
4.7
5.2
16
19
24
31
34
37
44
55
64
82
3.9
8.2
9.7
12
15
15.5
16.7
19
23.9
34.9
NES07W
NES15W
NES20W
NES30W
NES50W
NES70W
NES100W
NES250W
NES800W
NES1300W
0.7
{0.07}
1.5
{0.15}
2.0
{0.20}
3.0
{0.31}
5.0
{0.51}
7.0
{0.71}
10
{1.0}
25
{2.6}
80
{8.2}
130
{13}
18000
18000
18000
18000
18000
18000
15000
10000
10000
10000
4-6
4-8
5-10
6-16
6-16
8-20
8-22
10-25
14-30
20-35
*Indicate the smaller bore diameter first.
Notes 1. The maximum rotation speed does not take dynamic balance into consideration.
2. The weight, moment of inertia and GD2 are the values at maximum bore diameter.
3. The allowable misalignment is based on the assumption that other errors are Ò0Ó.
4. Bore diameters other than the standard diameters specified on p. 14 can be manufactured upon request.
5. Depending on the bore diameter, the allowable torque of the coupling may not be satisfied. Refer to the ÒStandard Bore Diameter and Transmission Torque for Each Bore
DiameterÓ table (on the next page).
6. The recommended tolerance of the mounting shaft is rated at Òh7Ó. A shaft diameter of ö35 corresponds to a servo motor shaft with a tolerance of (+0.010 to 0).
Small-Size, Precision: NES Series
NES Spacer Type Couplings
TRANSMISSION CAPACITY / DIMENSIONS NES

Tsubaki Emer-Flex Couplings
  1. P. 1

  2. P. 9

    8EMER-FLEXExample of MountingExample of Mounting
  3. P. 10

    9PRODUCT SELECTION2. Shaft DiameterMake sure that the target shaft diameter does not exceed the allowable mounting shaft diameter for the coupling.With...
  4. P. 11

    10EMER-FLEX4. Precautions for Connecting a Servo Motor Drive SystemDepending on the natural frequency and electric control status of the system as a whole,...
  5. P. 12

    11Extended-Dia. HubMODEL LISTValues in parentheses for the NEH09 to NEH41 apply to the A-hub and U-types. ›F Standard¢F Custom-made¢TypeModel...
  6. P. 13

    12EMER-FLEXDIMENSIONS NEFœ Extended-Diameter HubsIf the target shaft diameter exceeds the maximum shaft bore diameter of the standard hub regardless...
  7. P. 14

  8. P. 15

    14EMER-FLEXCross-section X-O-YABEKDXO YBDReference Number System (Example)NES07SNES15SNES20SNES30SNES50SNES70SNES100SNES250SNES800SNES1300S0.7{0.07}1.5{0.15}2.0{0.20}3.0{0.31}5.0{0.51}7.0{0.71}10{1.0}25{2.6}80{8.2}130{13}430{44}780{80}1800{180}3700{380}4500{460}7400{760}10000{1000}19000{1900}39000{4000}77000{7900}1200{120}2600{270}5600{570}8400{860}13000{1300}19000{1900}30000{3000}44000{4500}78000{8000}220000{22000}170{17}93{9.5}86{8.8}48{4.9}51{5.2}58{5.9}65{6.6}21{2.1}52{5.3}65{6.6}1800018000180001800018000180001500010000100001000015.8518.923.125.126.531.75344351.768.27.58.91111.812.51515.72023.531.50.851.11.11.51.51.752.634.75.2161924313437445564820.71.01.01.01.01.01.01.01.01.00.020.020.020.020.020.020.020.020.020.02±0.12±0.18±0.30±0.40±0.40±0.45±0.55±0.70±0.70±0.90712233749661102203507900.26×10-60.63×10-61.9...
  9. P. 16

    15TRANSMISSION CAPACITY / DIMENSIONS NEF-WStandard Hub×Standard Hub NEF  W - N  X N   Extended-Dia. Hub×Standard...
  10. P. 17

    16EMER-FLEXNEF-WSpacer Type Unit: mmNotes 1. See p. 12 for extended diameter and long hub dimensions.With the long hub, the overall length is extended...
  11. P. 18

    17TRANSMISSION CAPACITY / DIMENSIONS NEF-WLong Spacer TypeThe NEF Series Long Spacer Type of coupling enables the use of a floating shaft when there is...
  12. P. 19

    18EMER-FLEXNEF-WNotes 1. All sizes are custom-made.2. When placing an order, specify dimension “J”. Consult with us if your required dimension...
  13. P. 20

  14. P. 30

  15. P. 40

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