AM8021-1B21-0000 Beckhoff
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The Beckhoff AM8021-1B21-0000 is a synchronous servo motor from the AM Synchronous Servo Motors series, featuring a 58 mm flange size and a shaft with groove and feather key according to DIN 6885. It comes with a 24 V holding brake offering 2 Nm holding torque and supports OCT multi-turn feedback. The motor provides connection options of either a rotatable angular connector or terminal box.
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Product Description:
The AM8021-1B21-0000 is a synchronous servo motor manufactured by Beckhoff in the AM Synchronous Servo Motors series. In industrial automation, it provides closed-loop torque and position control for axes that demand quick response and repeatable accuracy, such as indexing tables, pick-and-place heads, and carton erectors. It is suited to motion tasks that require fast starts, short settling times, and repeatable positioning during continuous machine cycles. Overall length code 1 indicates the shortest housing in the family, which helps reduce mass on lightweight gantries.
The motor contains a holding brake powered at 24 VDC; this voltage is standard in control cabinets and lets the brake engage immediately when power is removed. Rotor position is reported by an OCT multi-turn encoder, so the drive can recover absolute position after a shutdown without homing routines. A 58 mm square flange matches compact planetary gearboxes and IEC adapters, and its mounting geometry simplifies retrofits. The brake produces 2 Nm of static torque, helping prevent drift on vertical or high-inertia loads. Power and feedback can exit through a rotatable angular connector or a terminal box, which helps route cables away from moving machine parts. The shaft has a groove and feather key for positive torque transmission to couplings or pulleys.
Compliance with DIN 6885 sets the key dimensions, so mating hubs follow a common metric profile. Winding code B identifies the electrical winding, allowing the drive to apply the appropriate current limits and commutation data. These details describe the key fit and winding arrangement used for this motor, helping the mechanical and electrical interfaces remain consistent with compatible components. The motor is supplied as the standard version and carries the standard series type classification.
