RODOFLEX®
RODOFLEX® flexible couplings are high-precision torque transmission elements designed for CNC machine tools and advanced motion control systems. They ensure accurate transmission of rotary motion while compensating for misalignment between connected shafts.
Distinctive feature
RODOFLEX® flexible couplings are engineered to connect rotating shafts while compensating angular, radial, and axial misalignments.
The system is based on a metallic bellows element that ensures torsional rigidity while maintaining flexibility in the other degrees of freedom, enabling highly precise motion transmission without backlash.
Applications
RODOFLEX® couplings are widely used in CNC machine tools, particularly in motion control systems such as servo motor-to-ball screw connections and high-precision positioning drives.
They are also employed in automation equipment, robotics, measuring systems, and high-speed drive applications where accurate torque transmission and positioning repeatability are required.
Advantages
The main performance characteristic of RODOFLEX® couplings is their high torsional stiffness, which ensures zero backlash and no transmission errors in angular position. The metallic bellows design eliminates clearance and guarantees precise, repeatable motion transmission even under dynamic load conditions.
The compact and lightweight construction results in a low moment of inertia, making the coupling particularly suitable for high acceleration systems, frequent direction changes, and high rotational speeds.
Definition
RODOFLEX® flexible couplings are precision mechanical components used to transmit torque between two shafts while compensating for misalignment and avoiding transmission errors.
They are based on a metal bellows design, which provides elastic deformation capability in axial, radial, and angular directions while remaining torsionally rigid. This combination allows the coupling to transmit rotational motion with high accuracy and without backlash.
Due to their construction, RODOFLEX® couplings are particularly suited for applications requiring precise positioning, high dynamic response, and repeatable motion control, such as CNC machines and servo-driven systems.
Technical description
RODOFLEX® couplings consist of a stainless steel or high-performance metallic bellows element joined to hub connections designed for secure shaft clamping. The bellows acts as the flexible element of the system, allowing controlled compensation of angular, radial, and axial misalignment while maintaining high torsional rigidity.
The absence of mechanical clearances ensures zero-backlash operation, which is essential in precision motion control applications.
Thanks to their lightweight construction and optimized geometry, RODOFLEX® couplings achieve a favorable torque-to-mass ratio and low moment of inertia, supporting high-speed operation and rapid acceleration/deceleration cycles.
The design ensures stable performance even under frequent reversing motion and high dynamic loads. In addition to the standard range, customized versions can be developed for specific application requirements, including special geometries, materials, and connection interfaces.
| MINIATURE SERIES | Gamma tipi fino a coppia nominale Range of sizes up to nominal torque Gamme de tailles jusqu’au couple nominalMax 12 Nm | |
|---|---|---|
 | AMK.. | SERIE CON GRANISET SCREW HUBS VIS RADIAUX |
 | AMKN.. | MOZZI A MORSETTOSINGLE CLAMP HUBS MOYEAUX FENDUS, SERRAGE SINGLE |
| POWER TRANSMISSION SERIES | Gamma tipi fino a coppia nominale Range of sizes up to nominal torque Gamme de tailles jusqu’au couple nominalMax 320 Nm | |
|---|---|---|
 | ATMK.. | MOZZI A MORSETTO DOUBLE CLAMP HUBS MOYEAUX FENDUS, SERRAGE DOUBLE |
 | ATMN.. | MOZZI A BOCCOLA CONICA CONICAL SLEEVE HUBS MOYEUX A BAGUE CONIQUE |
 | ATMF.. | MOZZI A FLANGIA FLANGE HUBS MOYEUX A FLASQUE |
 | ATMB.. | MOZZI CON CAVA HUBS WITH KEYWAY DIN 6885 – P9 MOYEUX AVEC RAINURE |
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