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iHF High Quality Aluminum Alloy Stainless Steel Motor Shaft Couplings

Partial Skew Cut Clamp Coupling Aluminum Alloy High-Sensitivity Diaphragm Coupling

Product features:

Partial Skew Cut Clamp Coupling Aluminum Alloy High-Sensitivity Diaphragm Coupling

1.Materials & Manufacturing 

- High-Strength Aluminum Alloy Body: Lightweight design with structural integrity. Surface customizable with anodizing or pearl nickel plating for enhanced corrosion resistance and aesthetics.

- Stainless Steel Core Diaphragm: High rigidity and fatigue resistance, precisely compensating for angular and axial misalignment to ensure long-term operational stability.

2.Key Performance

-Exceptional Torsional Rigidity: Enables precise rotational control of shafts, ideal for high-precision transmission applications.

- Ultra-Low Inertia & High Sensitivity**: Delivers rapid response and supports high-speed operation with superior dynamic performance.

- Bidirectional Symmetry: Identical rotational characteristics in both clockwise and counterclockwise directions, ensuring consistent motion control.

3.Application Advantages

- Precision Industrial Equipment: Suitable for demanding fields such as robotic joints, optical instruments, and semiconductor equipment where accuracy and speed are critical.

- Longevity-Optimized Design: Stainless steel diaphragm resists wear, while the aluminum alloy body minimizes deformation, significantly reducing maintenance costs.

iHF High Quality Aluminum Alloy Stainless Steel Motor Shaft Couplings
ModelLAllowable
Torque
(N·m)
Allowable
Misalignment
(Radial)(mm)
Allowable
Angular
Misalignment
(<°)
Allowable
Axial
Displacement
(mm)
Maximum
Allowable
Speed
(RPM)
Static
Torsional
Stiffness
(N.m/rad)
Moment of
Inertia
(N.m)
Coupling
Weight
(g)
TypeD

QLFCAW
QLFCAN

1623.20.90.152±0.2060004502.7×10-712
20261.30.152±0.2055007008.0×10-726
2530.22.80.152±0.3050009507.6×10-545
324150.152±0.40400011002.5×10-673
404790.22±0.50380028001.9×10-5100
5053160.22±0.60350034005.0×10-4193
QSECAW
QSECAW
1616.50.90.11±0.1060006502.2×10-78
2018.41.30.11±0.1055009507.0×10-713
2521.62.80.11±0.20500013002.2×10-624
322950.11±0.20400014005.0×10-653
403590.151±0.20380033001.5×10-590
5041160.151±0.30350040003.9×10-5180


The inner bores on both ends of the coupling can be freely combined between minimum and maximum diameters, machined to H7 standard tolerance. Bore dimensions listed in tables are for reference only; for custom bore requirements, please contact our customer support, sales representatives, or technical personnel for detailed parameters.

ModelLd1,d2(Keyway bore diameters are selectable for sizes above 6mm.)LFφd3FMFastening Torque
(N.m)
TypeDDouble DiaphragmSingle Diaphragm

QLFCAW
QSECAW
QLFCAN
QSECAN

1623.216.53 4 4.5 5 686.83M2.51
202618.44 5 6 6.35 7 898.13.7M2.51
2530.221.65 6 6.35 7 8 9 9.525 1010.510.44M31.7
3241298 9 9.525 10 11 12 12.7 1414.05156M42.5
4047358 9 9.525 10 11 12 12.7 14 15 16 17 1816.919.57.8M47
50534110 11 12 12.7 14 15 16 17 18 19 20 22 2419.75259M512


The moment of inertia and all technical parameters provided are measured with the maximum bore size as the reference standard. The maximum rated torque correlates directly with the coupling's fatigue life. Larger outer diameters increase load capacity, while smaller outer diameters permit higher maximum allowable speeds.

ModelTypeMaterialSurface TreatmentAccessories
HousingDiaphragm
QLFCAWPartial Skew Cut Clamp CouplingDouble DiaphragmAluminum AlloyStainless SteelAnodizedSocket Head Cap Screw(SHCS)
QSECAWSingle Diaphragm
QLFCANDouble DiaphragmPearl Nickel Plated
QSECANSingle Diaphragm
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