Spring couplings / grub screw clamping / spiral spring assembly / body: steel / FKXS / ABP Antriebstechnik

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Multipurpose use for backlash-free transmission of rotary motions, high vibration-damping effect, good compensation of misalignments, low torsion stiffness, low restoring forces, no moving parts, very robust design

Part Number

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the corresponding part number is displayed here.

Drawing
Part Numbers
Specifications
Catalog

Part No. Example: FKXS 1225 05/06
(Series ØW d1/d2)

Part No. Example: FKXS 1635 06/08
(Series ØW d1/d2)

Part No. Example: FKXS 2650 12/14
(Series ØW d1/d2)

Data to be displayed: 30; 45; 60

Part Number
FKXS 1225 04/05
FKXS 1225 04/06
FKXS 1635 05/06

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Feature	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (g･cm²)	Max. Speed (min^-1)	Max. Torque (Ncm)	Max. Offset Off Shafts (Radial) (mm)	Max. Offset Off Shafts (Axial) (mm)	Max. Clamping Torque (Ncm)	Weight appr. (g)
23.63 €	1	Available	3 Days	0.05 to 1.00	4	5	12	25	4,001 to 10,000	High Durability / No Backlash / Vibration Insulation / Heat Resistant / Clean Environment	0.7	8000	0.41 to 1.0	±2.5	±10	2.5	3,5	8000	15	± 0,5	± 0,5	70	18
23.63 €	1	Available	3 Days	0.05 to 1.00	4	6	12	25	4,001 to 10,000	High Durability / No Backlash / Vibration Insulation / Heat Resistant / Clean Environment	0.7	8000	0.41 to 1.0	±2	±10	2	3,5	8000	15	± 0,5	± 0,5	70	18
23.80 €	1	Available	3 Days	0.05 to 1.00	5	6	16	35	2001 to 4,000	High Durability / No Backlash / Vibration Insulation / Heat Resistant / Clean Environment	1.5	3000	0.41 to 1.0	±2	±10	2	13,6	3000	50	± 1	± 1	150	35

Technical Information

Technical data		FKXS 1225	FKXS 1635	FKXS 2650
Max. speed	min^-1	8.000	3.000	3.000
Max. torque	Ncm	15	50	150
Max. offset off shafts
Radial	mm	± 0,5	± 1	± 1,5
Axial	mm	± 0,5	± 1	± 1
Angular	Grad	± 5	± 5	± 5
Torsion angle at the half of nominal torque, rotating direction
Right side looking on driving shaft	Grad	40	50	40
Left side looking on driving shaft	Grad	60	70	60
Moment of inertia	gcm²	3,5	13,6	129
Max. clamping torque (M)	Ncm	70	150	300
Temperature range	°C	-40 to +150
Weight appr.	g	18	35	131
Material	Spring	Spring steel 1.0600 nickel-plated
Material	Hubs	Zinc die casting

M = tightening torque of the clamping screw

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Basic information

Type	Others	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Servo Motor / Stepping Motor / Encoder
Body Material	Steel	Bellows Part Material	Others	Operating Temperature Range(°C)	-40::150
Max. Offset Off Shafts (Angular)(Grad)	± 5

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Basic Attributes

Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00
Clear
Shaft Bore Dia. (machined) D1(mm)
3

4

5

6

8

10

12

14
Clear
Shaft Bore Dia. (machined) D2(mm)
3

4

5

6

8

10

12

14
Clear
Outer Dia. A(mm)
12

16

26
Clear
Overall Length W(mm)
25

35

50
Clear
Max. Rotational Speed Range(r/min)
2001 to 4,000

4,001 to 10,000
Clear
Feature
High Durability

No Backlash

Vibration Insulation

Heat Resistant

Clean Environment
Clear
Allowable Torque(Nm)
0.7

1.5

3
Clear
Max. Rotational Speed(r/min)
3000

8000
Clear
Allowable Lateral Misalignment Range(mm)
0.41 to 1.0

1.1 to 3.0
Clear
Allowable Lateral Misalignment(mm)
±0.15

±0.20

±0.2

±0.22

±0.25

±0.3

±0.30

±0.35

±0.50

±1.0

±1.5

±2

±2.5

±5
Clear
Moment of Inertia(g･cm²)
3,5

13,6

129
Clear
Max. Speed(min^-1)
- 3000
- 8000
Clear
Max. Torque(Ncm)
15

50

150
Clear
Max. Offset Off Shafts (Radial)(mm)
- ± 0,5
- ± 1
- ± 1.5
Clear
Max. Offset Off Shafts (Axial)(mm)
- ± 0,5
- ± 1
Clear
Max. Clamping Torque(Ncm)
70

150

300
Clear
Weight appr.(g)
- 18
- 35
- 131
Clear
Type
Clear
Allowable Angular Misalignment(deg)
±1.3

±2

±2.5

±3

±4

±5

±10

±15
Clear