AKM2G-21D-AND2CA00 Kollmorgen
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The Kollmorgen AKM2G-21D-AND2CA00 is part of the AKM2G Magnetic Motors series and features a flange size of 58 mm with an ingress protection rating of IP54. It has a rated speed of 8000 rpm and a torque constant of 0.296 Nm per Arms. This motor supports a maximum axial force of 200 N and weighs 1.1 kilograms without the brake.
Internal Product Review
The AKM2G-21D-AND2CA00 from Kollmorgen is a high-performance servo motor featuring a 58 mm flange size and IP54 ingress protection, making it well-suited for demanding motion control environments. With a rated speed of 8000 rpm and a torque constant of 0.296 Nm/Arms, this model delivers precise and consistent performance. Its compact build and reliable power output make it an excellent choice for applications requiring both speed and accuracy.
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Product Description:
The AKM2G-21D-AND2CA00 servo motor is produced by Kollmorgen within the AKM2G Magnetic Motors series. This brushless unit delivers closed-loop rotary motion for industrial automation tasks such as pick-and-place axes, indexing tables, and compact packaging machinery. By pairing its smooth shaft with IEC-pattern mounting, the motor couples directly to gearboxes or load shafts, allowing drive controllers to apply precise speed and torque profiles.
At a rated speed of 8000 rpm, the rotor can follow high cycle rates without mechanical overshoot when driven by a matched Kollmorgen amplifier. The torque constant of 0.296 Nm/Arms links phase current to output torque, enabling current-loop tuning for accurate force regulation. A back electromotive force constant of 19.5 Vrms/krpm indicates the voltage returned to the drive during regeneration and helps with DC-bus sizing. Dynamic behavior is aided by the low rotor inertia of 0.093 kg-cm², which lets the axis accelerate or decelerate quickly with minimal energy. An integrated 24 VDC holding brake keeps the shaft locked during a power loss or an emergency stop.
The motor is rated to operate between 5 and 40 °C and has an IP54 housing with an IP65-sealed M23 connector, helping protect internal components from dust and splashed liquids. The shaft bearings withstand up to 195 N of radial load and 200 N of axial load, supporting belt, pulley, or light gear engagements without premature wear. A PT1000 sensor and a PTC thermal sensor provide temperature data to the drive, allowing it to protect the motor from excessive heat. Continuous service is possible in humid rooms because the unit tolerates 95% relative humidity without condensation. The aluminum frame and short rotor length keep the mass at 1.1 kg, simplifying installation on small-format gantries and reducing reflected inertia on delicate axes.
