AKM2G-72P-ANJNCA00
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The AKM2G-72P-ANJNCA00 motor boasts a frame size of 72 mm, a rated speed of 6000 RPM, a peak torque of 5.6 Nm, and a rated current of 6.8 A. As part of the AKM2G Magnetic Motors series by Kollmorgen, it features IP65 standard enclosure and an Hiperface absolute single-turn feedback device for precise operation.
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Product Description:
The AKM2G-72P-ANJNCA00 is a permanent magnet AC motor, designed by Kollmorgen. It features a square flange with a size of 72mm and delivers a nominal torque of 40.7 Nm along with a peak torque of 89.6 Nm. The motor offers a high degree of protection with an IP67 rating that makes it resistant to dust and water ingress.
The AKM2G-72P-ANJNCA00 motor operates at a nominal rotational speed of 1600 r/minute and can attain a maximum angular speed of 6000 r/minute. It consumes a rated power of 8.6 kW when operated at 400 VAC supply. The motor has a line-line resistance of 0.315 Ohm, with ~10% tolerance and 7.7 mH of inductance. Its moment of inertia is 46.8 kgxcm^2 and it uses a smart feedback device (SFD3) for feedback, that provides an accuracy of ~585". This encoder provides 24 bits of resolution and a single-turn revolution period. The AKM2G-72P motor also supports other industry standard encoders such as HIPERFACE DSL, EnDat 2.2 and resolver feedback system as well depending on the requirement. This motor is presented with rotatable connector cables for power and feedback system connectivity. It does not come with an equipped holding brake but supports an optional brake system for applications that require zero-speed holding.
The AKM2G-72P-ANJNCA00 motor features a torque constant of 1.93 ~10% Nm/A and possess a back emf constant of 129 Vrms/krpm. It takes 43 minutes to cool down by 50% from the present thermal value and comes with a platinum plate heatsink of size 8" x 18" x 1/2" for heat dissipation. The AKM2G-72P motor has a thermal resistance of 0.307 K/W and it carries a weight 22.9 kg. It has a four magnetic pole pair structure inside the enclosure to ensure steady torque delivery.
Frequently Asked Questions about AKM2G-72P-ANJNCA00:
Q: Why is a smart feedback device (SFD3) used in this motor?
A: SFD3 offers precise motion control and compact integration without the need for a separate encoder cable. It simplifies wiring while maintaining ~585" accuracy for high-precision applications.
Q: What advantage does the torque constant of 1.93 Nm/A provide in the AKM2G-72P-ANJNCA00 motor?
A: A high torque constant allows the motor to generate substantial torque at lower currents. This improves thermal efficiency and reduces the power amplifier's stress.
Q: How does the platinum plate heatsink contribute to motor performance?
A: The 8" x 18" x 1/2" platinum plate heatsink facilitates rapid thermal dissipation. This helps maintain optimal performance under continuous high-load conditions.
Q: What role do the four magnetic pole pairs play in AKM2G-72P-ANJNCA00?
A: The four pole pairs ensure smoother and consistent torque delivery. This results in reduced torque ripple and improved low-speed performance.
Q: How does the thermal resistance of 0.307 K/W affect AKM2G-72P-ANJNCA00 operation?
A: A low thermal resistance allows faster heat transfer to the environment. This prevents overheating and extends operational life during high-duty cycles.
