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AKM44J-EKCNR-01 Kollmorgen

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The AKM44J-EKCNR-01 servo motor is manufactured by Kollmorgen and is part of the AKM Synchronous Servo Motors series. It has a peak torque of 20.4 Nm and a peak current of 35.2 Amps, with a frame dimension of 84 mm. The motor features a resolver feedback system with single turn, inductive feedback and comes with an open keyway shaft and IP67 shaft bushing protection.

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Product Description:

The AKM44J-EKCNR-01 is a synchronous servo motor produced by Kollmorgen within the AKM Synchronous Servo Motors series. It converts controlled current from a matched drive into precise rotary motion for indexing tables, pick-and-place heads, and light-duty conveyors. This operating role suits machinery that depends on fast cycle rates and accurate position control.

During short motion bursts, the motor can deliver a peak torque of 20.4 Nm while drawing a peak phase current of 35.2 A. At zero speed, it sustains a standstill torque of 6.00 Nm from a continuous current of 8.80 A, which helps define amplifier sizing under thermal limits. Ten poles, winding designation J, passive cooling, and a brake-free design support responsive operation, while two SpeedTec ready connectors carry power and resolver signals.

The mechanical interface tolerates a radial load of 450 N and an axial load of 180 N at 3000 rpm, supporting pulley or pinion attachments without reducing bearing life. Drive designers use a winding inductance of 3.8 mH and a phase resistance of 0.94 Ω when setting current loops and estimating thermal dissipation. The resolver uses a size 10/15/21 package with two electrical poles, providing single-turn absolute feedback that remains dependable in electrically noisy environments.

Wake Industrial stocks this model and can arrange same-day shipping for time-critical repairs. Each purchase is backed by a 1-year warranty. Quotes remain valid for 30 days, and the chat tool available on the website can be used for questions about type codes or fault codes during routine maintenance planning.

Axial Load At 3000 Rpm
180 N
Brake System
Without brake
Connector Arrangement
2 SpeedTec Ready connectors
Customization Feature
With shaft seal
Feedback Resolution
2 poles
Feedback System
Resolver
Feedback Turns
Single turn, inductive
Feedback Type
Size 10/15/21
Frame Dimension
84mm
Peak Current
35.2 A
Peak Torque
20.4 Nm
Pole Count
10
Product Family
AKM Synchronous Servo Motor
Radial Load At 3000 Rpm
450 N
Rotor Inertia
2.7 kgcm²
Rotor Length Index
4
Shaft Bushing Ip
IP67
Shaft Detail
Open Keyway
Shaft Seal
Included
Standstill Current
8.80 A
Standstill Torque
6.00 Nm
Thermal Time Constant
24 min
Winding Designation
J
Winding Inductance
3.8 mH
Winding Resistance
0.94 Ohm

Frequently Asked Questions about AKM44J-EKCNR-01:

Q: What is the maximum axial load capacity of the AKM44J-EKCNR-01 at 3000 RPM?

A: The AKM44J-EKCNR-01 servo motor supports an axial load of up to 180 N at 3000 RPM.

Q: What type of feedback system is used in the AKM44J-EKCNR-01 servo motor?

A: This motor is equipped with a resolver feedback system supporting single turn, inductive operation.

Q: How many connectors does the AKM44J-EKCNR-01 provide and what type are they?

A: The AKM44J-EKCNR-01 features 2 SpeedTec Ready connectors for its electrical interface.

Q: Does the AKM44J-EKCNR-01 servo motor come with a brake system?

A: There is no brake system included in this model.

Q: What kind of shaft and sealing features does the AKM44J-EKCNR-01 have?

A: This model is designed with a shaft seal and the shaft has an open keyway configuration.


Internal Product Review

  • ‘‘The AKM44J-EKCNR-01 is a Kollmorgen synchronous servo motor with resolver feedback and single-turn inductive operation. Performance is especially strong, with 20.4 Nm peak torque and 6.00 Nm standstill torque supporting demanding motion profiles. Included shaft sealing and IP67 shaft bushing protection add welcome reliability for service-intensive installations.’’

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