AM257M-0001 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff AM257M-0001 is a synchronous servo motor from the AM Synchronous Servo Motors series featuring a 194 mm flange size and a smooth shaft design. It includes a 24 V holding brake with a holding torque of 70 Nm and uses a two-pole resolver for feedback. This model is designed with increased mass moment of inertia.
Internal Product Review
The AM257M-0001 is a Beckhoff synchronous servomotor engineered with an increased mass moment of inertia for stable, controlled axis performance. Resolver, two-pole feedback and a smooth shaft support accurate motion regulation and clean mechanical integration. A 24 V holding brake with 70 Nm holding torque is a strong advantage for secure load retention.
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Product Description:
The AM257M-0001 is a synchronous servo motor manufactured by Beckhoff and supplied within the AM Synchronous Servo Motors series. Designed for precise position and speed control in automated machinery, the motor converts drive commands from a matching servo amplifier into repeatable rotary motion for indexing tables, feeders, and multi-axis gantries. Its electromagnetic design supports continuous duty cycles common in packaging, printing, and material-handling cells where rapid acceleration and deceleration are required.
An internal holding brake coil is energized by 24 VDC, simplifying wiring because the same control supply used elsewhere in a cabinet can power the brake circuit. Mounting is based on a square flange that measures 194 mm, allowing the unit to bolt directly to standard gearbox or machine frames without adapter plates. Rotor position is reported by a two-pole resolver, which supplies analog sine and cosine signals that remain reliable over wide temperature shifts and high vibration. This AM257M variant is built with an increased mass moment of inertia, so the added rotor mass stores more kinetic energy and helps the drive resist speed disturbances from sudden load changes. It belongs to the Synchronous Servomotors product family, so torque constant and thermal behavior align with other AM-series units.
An integrated 24 V holding brake releases automatically when the drive is enabled and clamps the shaft whenever power is removed. It delivers a static torque of 70 Nm to secure vertical axes or suspended loads. Output torque is transferred through a smooth shaft, a configuration that mates with clamp couplings or keyed hubs added by the machine builder. The characteristic inertia profile of the motor complements the drive tuning tables, allowing short settling times without excessive current demand.
