Sakai
Sakai UCNFF Series Precision Compensation Coupling
Manufacturer: Sakai Manufacturing Co., Ltd.
Model: UCNFF Series
Feature
- Double flange specification.
Performance
(Dimensions: mm)
| Model | Allowable Torque (N·m) | Maximum Torque (N·m) | Allowable Thrust Load (N) | Allowable Eccentricity (mm) | Allowable Angular Misalignment (°) | Max Rotational Speed (min⁻¹) | Torsional Stiffness (N·m/rad) | Moment of Inertia (kg·m²) | Mass (kg) |
|---|---|---|---|---|---|---|---|---|---|
| UCNFF-45 | 10 | 20 | 500 | 0.2 | 1 | 6000 | 1.91×10⁴ | 1.44×10⁻⁴ | 0.29 |
| UCNFF-55 | 20 | 40 | 850 | 0.2 | 1 | 6000 | 5.01×10⁴ | 4.30×10⁻⁴ | 0.55 |
| UCNFF-65 | 40 | 80 | 1450 | 0.2 | 1 | 6000 | 1.08×10⁵ | 8.43×10⁻⁴ | 0.85 |
| UCNFF-80 | 80 | 160 | 2350 | 0.2 | 1 | 6000 | 2.37×10⁵ | 2.26×10⁻³ | 1.45 |
| UCNFF-100 | 160 | 320 | 3750 | 0.2 | 1 | 6000 | 4.66×10⁵ | 7.13×10⁻³ | 3.02 |
| UCNFF-125 | 320 | 640 | 6000 | 0.2 | 1 | 6000 | 8.80×10⁵ | 2.00×10⁻² | 5.69 |
| UCNFF-155 | 640 | 1280 | 9750 | 0.2 | 1 | 6000 | 1.66×10⁶ | 4.76×10⁻² | 9.28 |
UCNFF-125 and UCNFF-155 are semi-standard products (delivery confirmation required).
The allowable torque has specified for a rotational speed of 1500 min⁻¹.
Transmit the maximum torque instantaneously startup and braking.
The static allowable thrust load applies. The load torque is zero.
The torsional stiffness value is only for the metal part.
The usage conditions permit greater eccentricity or angular misalignment than specified allowable values.
Material
Option: Supports simple rust prevention (DriLub coating)
| No. | Part Name | Material |
|---|---|---|
| 1 | Flange | S45C |
| 2 | Cross Pin | SCM420 |
| 3 | Metal | Polyimide Resin |
| 4 | Arm | A2017 |
| 5 | Arm Tightening Bolt | SCM435 |
| 6 | Spring Washer | SWRH |
The metal of UCNFF-125 and UCNFF-155 is zinc-plated (base material: SPCE).
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