Servo couplings / mounting selectable / 2 discs: steel / body: aluminium

Servo couplings / mounting selectable / 2 discs: steel / body: aluminium

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  • Servo couplings / mounting selectable / 2 discs: steel / body: aluminium
  • Servo couplings / mounting selectable / 2 discs: steel / body: aluminium
[It is particularly suitable for equipment requiring high precision and for use in clean environments.

Part Number

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Couplings/High Positioning Accuracy Disc/Clamping/Keyway:Related Image
Tolerances for d1 and d2 are values before slit machining.
The lateral, angular, and axial misalignment values shown are for each occurring individually. When multiple misalignments are occurring simultaneously, the allowable maximum value of each will be reduced to 1/2.
For the selection criteria and alignment procedures, see >> P.1061

TypeMaterialSurface TreatmentAccessory
Main BodyDiscScrewMain BodyDiscScrew
SCXW
SCXWK
Aluminum AlloyStainless SteelEN 1.7220 Equiv.Clear Anodize-Trivalent ChromateHex Socket Head Cap Screw, Set Screw

Specifications

Part Number-Shaft Bore Dia. d1-Shaft Bore Dia. d2
SCXW46-10-14
SCXWK46-12-14
SCPW34-8-12
Part Numberd1, d2 Selection (d1≤d2)
Only the dimensions in ( ) are selectable for Keywayed Bore Type.
Dd3LFAClamp ScrewUnit Price
TypeNo.MTightening Torque (N • m)
SCXWSCXWKSCXWSCXWK
Double Disc Type
SCXW
Double Disc Type - Keywayed Bore
SCXWK
21456(8)          219.524.573.537M2.61.2  
28 56(8)(10)         2812329449.5M31.5  
34  6(8)(10)(12)(14)       3417359.854.512M31.5  
46   8(10)(12)(14)151719    46224412.66616.5M43.5  
55     12141517192022242554.52655167-20.5M57 -
■Double Disc Type (High Positioning Accuracy)
Part NumberAllowable Torque (N • m)Angular
Misalignment
(°)
Lateral
Misalignment
(mm)
Static Torsional Spring Constant (N • m/rad)Max. Rotational Speed (r/min)Moment of Inertia (kg • m2)Allowable Axial Misalignment
(mm)
Compensation Factor
coefficient
Mass (g)
TypeNo.
SCXW
SCXWK
211.21.00.10900100001.20x10-6±0.201.518
281.61.20.1536004.68x10-642
344.01.50.2057001.10x10-565
4610.00.25145004.70x10-5±0.30151
5525.0230001.19x10-4260
Static torsional spring constant, inertia moment, and mass values are for cases of maximum shaft diameter.
Couplings/High Positioning Accuracy Disc/Clamping/Keyway:Related Image

Part Number:  

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Part Number
SCXW21-[4,​5,​6,​8]-[4,​5,​6,​8]
SCXW28-[5,​6,​8,​10]-[5,​6,​8,​10]
SCXW34-[6,​8,​10,​12,​14]-[6,​8,​10,​12,​14]
SCXW46-[8,​10,​12,​14,​15,​17,​19]-[8,​10,​12,​14,​15,​17,​19]
SCXW55-[12,​14,​15,​17,​19,​20,​22,​24,​25]-[12,​14,​15,​17,​19,​20,​22,​24,​25]
SCXWK21-8-8
SCXWK28-[8,​10]-[8,​10]
SCXWK34-[8,​10,​12,​14]-[8,​10,​12,​14]
SCXWK46-[10,​12,​14]-[10,​12,​14]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. 1 d1 (or d)
(mm)
Shaft Bore Dia. 2 d2 (or d)
(mm)
O.D. D
(mm)
Overall Length
(mm)
Allowable Torque
(Nm)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(mm)
Allowable Angular Misalignment
(deg)
Allowable Axial Misalignment
(mm)
Moment of Inertia
(kg・m2)
Shaft Bore Shape

-

1 7 Days 101.01 to 3.004 ~ 84 ~ 82124.51.20.02 to 0.20.11+0.20/-0.201.20x10-6Standard Holes

-

1 7 Days 101.01 to 3.005 ~ 105 ~ 1028321.60.02 to 0.20.151.2+0.20/-0.204.68x10-6Standard Holes

-

1 7 Days 103.01 to 5.006 ~ 146 ~ 14343540.02 to 0.20.21.5+0.20/-0.201.10x10-5Standard Holes

-

1 7 Days 105.01 to 10.008 ~ 198 ~ 194644100.21 to 0.400.251.5+0.30/-0.304.70x10-5Standard Holes

-

1 7 Days 1020.01 to 50.0012 ~ 2512 ~ 2554.555250.21 to 0.400.251.5+0.30/-0.301.19x10-4Standard Holes

-

1 7 Days 101.01 to 3.00882124.51.20.02 to 0.20.11+0.20/-0.201.20x10-6Hole with Keyway d1/d2 Side

-

1 7 Days 101.01 to 3.008 ~ 108 ~ 1028321.60.02 to 0.20.151.2+0.20/-0.204.68x10-6Hole with Keyway d1/d2 Side

-

1 7 Days 103.01 to 5.008 ~ 148 ~ 14343540.02 to 0.20.21.5+0.20/-0.201.10x10-5Hole with Keyway d1/d2 Side

-

1 7 Days 105.01 to 10.0010 ~ 1410 ~ 144644100.21 to 0.400.251.5+0.30/-0.304.70x10-5Hole with Keyway d1/d2 Side

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Example of Use

Couplings/High Positioning Accuracy Disc/Clamping/Keyway:Related Image

Basic information

Series Name Disc Type Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Application For Servo Motors
Max. Rotational Speed Range(r/min) 4,001 to 10,000 Features High Torsional Rigidity / High Torque Type / High Positioning Accuracy Type / Zero Backlash / Low Moment of Inertia / Clean Environment Body Material Aluminum
Category Coupling Main Body Max. Rotational Speed(r/min) 10000 Disc Material Stainless Steel
Single/Double Double

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