The Allen-Bradley 1326AS-B310H-21-K3 is a high-performance AC servo motor built with a rare-earth permanent magnet rotor made of neodymium-iron-boron. It is known for its fast acceleration and capability for dynamic direction changes. The motor has low inertia and can handle high peak torques. It operates efficiently in ambient temperatures between 0 and 40 degrees Celsius (32 to 104 degrees Fahrenheit). Ensuring the motor stays within this temperature range is critical as it can heat up quickly during use. Caution is advised as the aluminum housing can exceed 100 degrees Celsius and should not be touched during operation.
This servo motor has a nominal speed of 6200 RPM and weighs 2.8 kilograms (6.2 pounds). Key internal components include a robust 2-pole brushless resolver rated at 4096 counts per revolution for precise position feedback to an AC servo drive, a normally closed thermal switch to prevent overheating, and a 24 Volts DC spring-set holding brake. The brake system requires 0.5 Amps to activate, engages in 38 milliseconds, and should not be used more than 90 times per hour. It is advised to use the brake only after the motor has decelerated to 0 RPM. This brake is not designed for emergency stops.
Key specifications of the 1326AS-B310H-21-K3 include continuous stall torque of 6.1 lb-in, peak stall torque of 18 lb-in, a motor rated output of 0.3 kW, and rotor inertia of 0.000045 kg-m².
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