AM8131-0F21-0000 Beckhoff
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The Beckhoff AM8131-0F21-0000 is a synchronous servomotor from the AM Synchronous Servo Motors series designed for compact drive technology. This motor features a 72 mm flange size, smooth shaft design, and uses a rotatable angular connector or terminal box for connection. It includes a 24 V holding brake and provides holding torque ranging from 2 Nm to 3.5 Nm, depending on its length.
Internal Product Review
The AM8131-0F21-0000 is a Beckhoff synchronous servomotor engineered for Compact Drive Technology, and the OCT multi-turn feedback makes the unit especially appealing for precise motion applications. A rotatable angular connector simplifies installation, while holding torque up to 3.5 Nm highlights the motor’s strong positioning capability.
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Product Description:
The AM8131-0F21-0000 is a synchronous servo motor produced by Beckhoff and belongs to the AM Synchronous Servo Motors series. It is intended for Compact Drive Technology applications where compact dimensions and integrated wiring help simplify cabinet layouts. Within an automation cell, the motor delivers controlled torque and speed to mechanical axes, allowing precise positioning cycles in packaging, material-handling, or assembly stations. This arrangement suits machine sections where mounting space is limited and repeatable motion is required across frequent operating cycles.
Its electromagnetic circuit is paired with a 24 VDC brake voltage, so an external controller can release or engage the motor brake without additional converters. Position feedback is handled by OCT multi-turn feedback, supplying absolute rotor position across multiple revolutions to Beckhoff drives after power-up. Mechanical mating surfaces follow a 72 mm flange size, aligning with standardized mounting interfaces on gearboxes or machine frames. Cabling exits through a rotatable angular connector, allowing the plug to be oriented to avoid strain or collision with adjacent components. Motion is transferred through a smooth shaft, which is suitable for clamping hubs or force-fit couplings that are used to minimize backlash. Thermal and electrical behavior follows winding code F, which corresponds to the conductor layout, resistance range, and current capacity used for this motor.
For static load holding and emergency stops, the motor includes a 24 V holding brake that clamps the shaft when supply power is removed. The brake is matched to a 2–3.5 Nm holding torque range that varies with the stator length, providing holding force across the AM8131 variants. Assembly drawings reference length code 1, indicating the shortest housing option in the AM8131 family. This compact housing helps reduce axial space requirements in closely packed multi-axis equipment, and the shorter body can help limit moving mass on dynamic axes.
