KTR Rotex Backlash Free Servo Coupling Yellow Spider Lot of 3 Couplings
The KTR Rotex GS-9 is a precision backlash-free servo coupling designed for automation and positioning drives. The Yellow Spider identifies a specific elastomer hardness of 92 Shore A, which offers a balance between vibration damping and torsional stiffness.
Core Specifications & Performance
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Backlash-Free: The three-part design is assembled under preload to ensure zero backlash, making it suitable for high-speed, highly dynamic servo applications.
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Yellow Spider (92 Shore A): Made from T-PUR® (Polyurethane), this spider is characterized by its yellow color. It provides excellent vibration damping and can operate in temperatures ranging from -40°C to +90°C (with short peaks up to +120°C).
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Torque Rating: For the GS-9 size, the rated nominal torque is approximately 3.0 Nm, with a maximum peak torque capacity of 6.0 Nm.
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Compact Design: Features a low mass moment of inertia, which is critical for reducing motor load and improving response times in measurement and control systems.
| Feature | Details |
| Coupling Size | GS-9 |
| Spider Hardness | 92 Shore A (Yellow) |
| Material | Thermoplastic Polyurethane (T-PUR®) |
| Nominal Torque | 3.0 Nm |
| Max Torque | 6.0 Nm |
| Max Speed | Up to 28,000 RPM (depending on hub design) |
| Alignment | Compensates for axial, radial, and angular displacements |
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