Kolmorgen AKM54K-ANCNR-00 Servo Motor Detailed Product Description

I. Product Overview

AKM54K-ANCNR-00 is a 5-frame (108mm flange), 4-stage long rotor, high-voltage brushless synchronous servo motor from the AKM series of Kolmorgen. The core configuration includes K-class high-voltage windings, rotary transformer feedback, smooth keyless slotless shaft, no electromagnetic brake, IP65 protection, and rotatable M23 connector. It is mainly characterized by high rotational speed, high torque density, strong anti-interference, and long lifespan. It is compatible with 480VAC / 640VDC high-voltage busbars and is specifically designed for industrial automation scenarios with high-speed, high-precision, continuous heavy load, and no power outage retention requirements. 

II. Model Code Analysis (AKM54K-ANCNR-00)

AKM: Kolmorgen standard brushless servo motor series

54:

5: Frame size (5 number, 108mm IEC flange)

4: Rotor length (4 stacked segments, long rotor, high torque)

K: Winding grade (K grade, suitable for 480VAC industrial grid / 640VDC bus)

A: Installation method (IEC standard B5 flange, N tolerance)

N: Shaft end form (smooth solid shaft, no keyway, suitable for expansion sleeve)

C: Feedback device (16-bit resolver, high reliability, temperature resistance, anti-interference)

N: Brake configuration (no electromagnetic brake, no power-off self-locking function)

R: Winding electrical parameters (R type, 480VAC / 640VDC standard adaptation)

00: Standard configuration (IP65 protection, no special customization, standard connectors)

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC bus voltage: 640VDC

Rated power: 3.87kW

Continuous stall torque: 14.4Nm

Peak torque: 36.0Nm (≈2.5× continuous)

Continuous stall current: 9.7Arms

Peak current: 29.0A

Reverse electromotive force constant: 88.5Vrms/krpm

Phase-to-phase DC resistance (25℃): 1.15Ω

Rated speed: 4000rpm

Maximum speed: 6000rpm (can reach 8000rpm under reduced load)

Insulation class: F grade (155℃)

Winding temperature rise: 100K (relative to 40℃ environment)

Thermal protection: Built-in PTC thermistor (action at 155℃ ± 5%)

Thermal time constant: 31 minutes

(2) Mechanical Parameters

Flange size: 108×108mm (IEC B5)

Shaft diameter: 19mm (smooth solid shaft, no keyway)

Rotor rotational inertia: 0.00124kg·m²

Overall machine weight: 7.8kg (without brake)

Bearing life: ≥20000 hours (rated condition)

Installation direction: Any direction (V1/V3 universal)

(3) Environment and Protection

Protection grade: Shell IP65, shaft end IP40

Operating temperature: -5℃ ~ +40℃ (altitude ≤1000m)

Storage temperature: -40℃ ~ +85℃

Humidity: 95% RH (no condensation)

Vibration / Shock: Compliant with IEC 60068-2-6 / 2-27

Certifications: CE, UL, cURus certification

(4) Feedback and Connection

Feedback system: 16-bit resolver (no battery, no optical components, temperature resistance 155℃)

Connectors: 2 rotatable M23 angle connectors (power + feedback separation, 360° wiring)

Adapter cable: Kolmorgen standard M23 power / feedback cable

Connection method: Speed Tec Ready plug-in structure, plug-and-play

IV. Core Product Characteristics

High-voltage long rotor large torque

K-grade high-voltage winding suitable for 480VAC/640VDC, 108mm flange outputs 14.4Nm continuous torque, long rotor optimizes magnetic circuit, torque density is 20%+ higher than the same level, suitable for high-speed heavy-load conditions.

Resolver with high reliability

16-bit Resolver without electronic components, temperature resistance, moisture resistance, dust resistance, strong vibration resistance, zero failure in extreme industrial environments, suitable for high-speed, high-temperature, oil-contaminated scenarios.

Smooth without keyway high-precision shaft 19mm optical shaft design, without keyway stress concentration, combined with expansion and tightening sleeve to achieve zero backlash, high concentricity, and large torque transmission, suitable for high-speed, high-precision, and long-life transmission.

Lightweight and high-speed without brake

Without electromagnetic brake design, reducing weight, lowering inertia, and improving dynamic response. Maximum rotational speed 6000rpm (reduced to 8000rpm under load), suitable for high-speed rotation and non-vertical axis applications.

High protection and durability IP65

Fully sealed IP65 housing, F-class insulation, fully sealed bearings, dustproof, oilproof, and splash-proof, suitable for harsh workshop environments, MTBF ≥ 50,000 hours.

Flexible wiring plug-and-play

Rotating M23 connector adjustable 360° without dead corners in on-site wiring; automatically recognized with AKD driver and parameter self-matching, efficient debugging.

Five. Typical application scenarios

Machine tools: high-speed motorized spindle, grinding machines, milling machines, lathes (high-speed feed, non-vertical axis)

Textile machinery: high-speed winding, beamforming machines, twisting machines (high-speed synchronization, tension stability)

Packaging machinery: high-speed cutting, die-cutting, bag-making, printing (high-speed positioning, continuous operation)

Electronic equipment: high-speed surface mounters, plug-in machines, inspection equipment (high-speed high-precision)

Automation lines: high-speed conveying, rotating platforms, shearing, deviation correction (high-speed dynamic, no power loss retention)

Printing / papermaking: high-speed traction, compounding, coating (high-speed stable, long life)

Six. Matching and selection suggestions

Compatible driver: Kollmorgen AKD series (AKD-P02406, AKD-P03606)

Recommended cables: M23 power cable (4×1.5mm²), feedback cable (4×2×0.25mm²)

Optional accessories: shaft end seal (IP65), expansion and tightening sleeve (clamping optical shaft), extension shaft, special flange

Seven. Product advantages summary

AKM54K-ANCNR-00 is the flagship model of AKM5 series with high pressure, high speed, high torque, no brake, and high reliability. With 14.4Nm large torque, high reliability of rotation change, smooth high-precision shaft, IP65 protection, and no brake lightweight, it is the core advantage, perfectly meeting the requirements of high-speed, heavy load, non-vertical, and extreme environment applications. It is the preferred solution for industrial automation high-speed, high-precision, long-life, and continuous stable servo control.