AM8042-0F20-0000 Beckhoff
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The Beckhoff AM8042-0F20-0000 is part of the AM Synchronous Servo Motors series and comes in the standard version with a flange size of 87 millimeters. It features an OCT multi-turn feedback type and a smooth shaft design, and is configured without a holding brake. The motor provides connection options via a rotatable angular connector or terminal box.
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Product Description:
The AM8042-0F20-0000 is a synchronous servo motor manufactured by Beckhoff within the AM Synchronous Servo Motors series. It is designed to deliver precise position and speed control in automated machinery, pairing with Beckhoff drive amplifiers to actuate axes in packaging cells, handling gantries, or high-speed processing equipment. By converting electrical commands into tightly regulated mechanical rotation, the motor serves as a compact drive element inside motion systems that require accurate feedback and rapid acceleration. Its synchronous design supports controlled torque production throughout repetitive operating cycles.
The model mounts to a machine frame through a flange that measures 87 mm, providing an interface for gearboxes or direct-drive couplings. Power and feedback cables exit through a rotatable angular connector or terminal box, allowing the conductors to be oriented to match the cabinet layout and reduce cable strain. Position data is generated by an OCT multi-turn encoder, so the control loop retains the absolute shaft angle after a power cycle. The unit is supplied without a holding brake, which means vertical loads must be secured by an external device or drive torque when power is removed. A smooth shaft eliminates the need for a keyway and supports backlash-free clamping hubs on precision couplings. This shaft arrangement is suitable for applications that use friction-locking connections to transmit motor torque.
The electromagnetic configuration uses winding code F, which corresponds to the voltage constant and nominal current values expected by the drive controller. The mechanical stack follows overall length code 2, providing the active lamination length needed for continuous torque while maintaining a moderate total mass for dynamic applications. The motor is supplied in a Standard version, so its housing, bearing set, and cooling concept follow the baseline arrangement for this motor type. The housing proportions allow the motor to fit compact machine axes without sacrificing the rigidity needed for precise coupling alignment. Its bearing arrangement supports the radial and axial forces permitted for the frame while maintaining stable shaft rotation. Heat generated during operation passes through the motor housing, so the mounting surface and surrounding airflow should remain unobstructed.
