AM8031-0D21-0000 Beckhoff
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The Beckhoff AM8031-0D21-0000 is part of the AM Synchronous Servo Motors series and features a flange size of 72 mm with a smooth shaft design. This standard version servo motor offers a holding torque between 2 and 3.5 Nm, depending on length, and is equipped with a 24 VDC holding brake. It uses an OCT multi-turn feedback type and supports connection via rotatable angular connector or terminal box.
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Product Description:
The AM8031-0D21-0000 is a synchronous servo motor built by Beckhoff and positioned in the AM Synchronous Servo Motors series. It serves as an electromechanical actuator that converts controlled current from a servo drive into accurate rotary motion, enabling repeatable positioning of axes in packaging stations, robotics cells, and assembly fixtures. This standard-version motor uses a compact housing and a familiar interface layout, which helps it fit into tightly spaced machine sections without unusual mechanical adaptation. Because the servo loop is closed through dedicated feedback, the motor can support synchronized indexing, short settling times, and consistent motion in applications that cycle frequently.
The motor’s spring-applied brake is energized with 24 VDC; this low-voltage supply engages or releases the brake independently of the main power and helps maintain position during power-off events. Cabling flexibility is supported by a rotatable angular connector, and a terminal box can be used when fixed conduit routing is preferred. Rotor position is transmitted through OCT multi-turn feedback, which provides absolute position data across multiple revolutions so the controller can identify shaft angle after a restart. A compact mechanical interface is provided by a 72 mm flange, and the brake offers a load-holding capacity of 2 Nm to 3.5 Nm at standstill, depending on motor length.
The output end uses a smooth shaft, which avoids keyway play when a clamping coupling is installed. The motor has an overall length code 1, indicating the shortest housing in the AM8031 family and helping reduce axial space requirements in compact assemblies. It uses winding code D, so the connected drive must match the electrical characteristics of that coil set. The motor is intended for use with Beckhoff control platforms, including compatible EtherCAT terminals and TwinCAT software. This arrangement is useful where the machine layout leaves little room for oversized couplings or extended cable bends.
