AM8071-1K21-0000 Beckhoff
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The Beckhoff AM8071-1K21-0000 is a synchronous servo motor in the AM Synchronous Servo Motors series. It features a 24 VDC holding brake with a holding torque of 70 Nm and comes with a rotatable angular connector or terminal box for connection. The motor includes a shaft with groove and feather key, following DIN 6885 standards, and uses OCT multi-turn feedback.
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Product Description:
The AM8071-1K21-0000 is a brushless AC servo motor produced by Beckhoff for the AM Synchronous Servo Motors series. Acting as a drive-controlled rotary actuator, it supplies closed-loop torque and speed for indexing tables, pick-and-place heads, and similar motion axes found in automated production cells. A permanent-magnet rotor and integrated feedback support responsive operation across repeated positioning cycles, while the brushless design reduces wear associated with mechanical commutation.
The mechanical interface uses a flange that measures 194 mm, allowing direct mounting to gearboxes or machine frames built for this footprint. The integrated brake coil is energized with 24 VDC, so a compatible control supply can release the shaft clamp. Static load retention is rated at 70 Nm; this value indicates the maximum resisting torque the brake can withstand before slipping occurs. Position feedback is provided by an OCT multi-turn system, which returns the absolute shaft angle over multiple revolutions without requiring a backup battery. Power and signal wiring exit through a rotatable angular connector or terminal box. The rotatable connection allows the cabling to be directed away from moving machine parts or nearby cabinet walls, reducing the risk of interference and excessive cable strain.
The dimensional index for this model is identified by code 1, indicating the shortest overall length available within the AM8071 frame class. This compact length minimizes motor mass while preserving the torque capacity required for its intended motion-control applications. Output is delivered through a shaft with a groove and feather key that transfers torque positively to couplings and complies with DIN 6885 keyway geometry. The keyed connection helps prevent relative rotation between the shaft and a properly fitted coupling under load. The motor uses winding set K, allowing a compatible drive to apply the appropriate voltage and current limits during operation. Proper drive parameter selection supports stable current regulation across acceleration, steady-speed operation, and controlled deceleration.
