AM8051-1E20-0000 Beckhoff
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The Beckhoff AM8051-1E20-0000 is a synchronous servomotor from the AM Synchronous Servo Motors series. It features a 104 mm flange size and uses an OCT multi-turn feedback type. The motor is equipped with a rotatable angular connector or terminal box and has a shaft with groove and feather key, conforming to DIN 6885.
Internal Product Review
The AM8051-1E20-0000 is a Beckhoff synchronous servomotor that presents a well-executed solution for precise servo duty. OCT multi-turn feedback supports accurate position data, and the rotatable angular connector or terminal box simplifies machine integration. The shaft with groove and feather key built to DIN 6885 adds dependable mechanical coupling, making this motor a strong standard servomotor choice.
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Product Description:
The AM8051-1E20-0000 is a synchronous servo motor produced by Beckhoff within the AM Synchronous Servo Motors series. The motor functions as an electromechanical actuator that converts drive current into precisely controlled rotational motion. It is intended for positioning tasks in automated machinery, packaging systems, and material-handling axes that require tight velocity and torque regulation. A compatible servo drive regulates current according to motion commands, allowing the motor to accelerate, decelerate, and hold position as operating loads change. This closed-loop arrangement supports coordinated movement in machines with multiple controlled axes.
Power and feedback lines reach the stator through a rotatable angular connector or terminal box, allowing the cable direction to be adjusted during installation without modifying the housing. Rotor position is reported to the drive by an OCT multi-turn encoder, which captures absolute position across multiple revolutions and removes the need for a homing routine after power loss. The encoder combines feedback communication with the motor connection, reducing the amount of separate cabling required between the motor and drive. A flange diameter of 104 mm provides the mounting interface for gearboxes or directly coupled loads and follows IEC sizing conventions. The motor is supplied without a holding brake, so applications that require static load retention must use drive torque or an external clamp. The electrical windings and mechanical housing use the Standard configuration, with the baseline thermal, insulation, and protection characteristics for this motor frame.
Torque is transmitted through a shaft with a groove and feather key, providing positive engagement with keyed couplings and helping prevent relative rotation under load. The keyway follows DIN 6885 geometry, allowing it to connect with compatible hubs, pulleys, and gearboxes. The motor has an overall length code 1, which keeps its axial footprint compact in machinery with limited installation space. Its shorter housing can also simplify alignment where the motor is mounted close to surrounding equipment or structural panels. Electrical behavior corresponds to winding code E, which establishes the phase resistance and inductance used by a compatible Beckhoff servo drive. These electrical values allow the drive to regulate current across the intended torque and speed range while maintaining stable closed-loop operation.
