AM8071-1K21-0000
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The AM8071-1K21-0000 servo motor is a permanent magnet-excited three-phase synchronous motor featuring a standstill torque of 31.8 Nm, a peak torque of 80.0 Nm, and a rated power of 4.16 kW. Designed as part of Beckhoff’s AM Synchronous Servo Motors series, it operates with a nominal voltage of 100…480 V AC and utilizes M40 speedtec® connection technology.
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Product Description:
Beckhoff manufactures the AM8071-1K21-0000. A high-performance permanent magnet-excited three-phase synchronous servo motor, the AM8071-1K21-0000, is designed for industrial automation motion control. A synchronized rotating magnetic field is created by its synchronous nature, which ensures the rotor speed is exactly proportional to the frequency of the supplied AC current. Compared to single-phase motors, the three-phase AC power, which is 120 degrees phase-shifted, produces a stronger and smoother magnetic field. By eliminating the need for separate excitation windings, the permanent magnets integrated into the rotor increase efficiency and allow for a more compact design. These features make the motor perfect for applications requiring precise speed control as they maximize performance while minimizing energy losses.
The motor performance depends on electrical characteristics. The motor operates within a defined voltage range with a nominal voltage range of 100 to 480 V AC to ensure optimal electromagnetic performance and retain its rated performance without underperformance or overvoltage. Key torque parameters such as standstill torque of 31.8 Nm, rated torque of 26.5 Nm, and peak torque of 80.0 Nm give a thorough understanding of the motor’s ability to handle static loads, continuous operation, and transient conditions. For applications that require large holding forces or overcome inertia during starting, the motor’s torque under load is crucial. The motor’s continuous running conditions are defined by its rated speed of 1500 min⁻¹ and rated power of 4.16 kW, which ensures it produces enough mechanical output for long operation without going above thermal limits.
The mechanical and cooling properties of the AM8071-1K21-0000 make it even more suitable for demanding applications. Dynamic performance is affected by the motor’s resistance to speed changes, especially in systems that start and stop frequently, as seen by its 49.6 kgcm² rotor moment of inertia. Since convection cooling uses natural air flow to dissipate heat, it must be installed in areas with sufficient airflow to maintain operating temperature. Installation and maintenance are made easy with the M40 speedtec® plug connection, which ensures fast and reliable power and signal integration. Certified with CE, cURus and EAC, and operating in the ambient temperature range of 5°C to 40°C, the motor meets international safety and regulatory requirements and gives users high reliability and compliance with industrial standards.
Frequently Asked Questions about AM8071-1K21-0000:
Q: What type of motor is the AM8071-1K21-0000, and how does it work?
A: The AM8071-1K21-0000 is a permanent magnet-excited three-phase synchronous servo motor. It generates torque through a rotating magnetic field synchronized with the stator frequency, using permanent magnets embedded in the rotor. This design allows for high efficiency, precise control, and low heat dissipation, making it ideal for demanding industrial tasks.
Q: What is the significance of the standstill torque rating of 31.8 Nm?
A: A standstill torque of 31.8 Nm indicates the motor’s torque-generating capability while stationary. This is critical in applications that require high holding force without motion, such as vertical positioning systems or press applications. It ensures the motor can resist external forces without losing position.
Q: What does the rated power of 4.16 kW mean in practical use?
A: The rated power of 4.16 kW reflects the continuous output the motor can deliver without overheating under standard operating conditions. It represents the motor’s ability to perform sustained work efficiently, especially important in continuous motion applications like conveyors or CNC machinery.
Q: How does the M40 speedtec® plug connection benefit installation?
A: The M40 speedtec® plug connection simplifies the installation process by allowing secure and fast connectivity. It reduces setup time, ensures reliable electrical contact, and minimizes wiring errors. This makes it especially useful in industrial environments where rapid deployment and easy maintenance are crucial.
Q: Why is the motor’s peak torque of 80.0 Nm important?
A: The 80.0 Nm peak torque is the maximum torque the motor can produce for short periods without damage. It allows the system to handle brief overloads or acceleration phases, such as during machine start-up or load changes, providing robustness and flexibility in dynamic operations.
