Kollmorgen AKM54L-CSSNR-02 Servo Motor Detailed Product Description

I. Product Overview

AKM54L-CSSNR-02 is a 5-frame (108mm flange), 4-section long rotor, medium-high voltage brushless synchronous servo motor from the AKM series of Kollmorgen. The core configuration includes L-level medium-high voltage windings, SFD intelligent multi-winding feedback, shaft with keyway, no electromagnetic brake, IP65 high protection, and custom 02 connector. It is mainly characterized by high precision positioning, high dynamic response, high reliability, strong anti-interference, and is compatible with 400VAC / 560VDC busbars. It is specially designed for high-end industrial automation scenarios such as precise positioning, continuous heavy load, and no power-off retention. 

II. Model Code Analysis (AKM54L-CSSNR-02)

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)

L: Winding grade (L grade, suitable for 400VAC industrial grid / 560VDC bus)

C: Installation method (IEC standard B5 flange, special tolerance)

S: Shaft end form (solid shaft, with key slot, standard key connection)

S: Feedback device (SFD intelligent multi-turn feedback Smart Feedback Device, battery-free, high resolution)

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

R: Winding electrical parameters (R type, standard adaptation)

02: Custom configuration (special connector, custom wiring, IP65 enhanced sealing)

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC bus voltage: 560VDC

Rated power: 3.83kW

Continuous stall torque: 14.1Nm

Peak torque: 35.3Nm (≈2.5× continuous)

Continuous stall current: 12.5Arms

Peak current: 37.5A

Reverse electromotive force constant: 78.2Vrms/krpm

Phase-to-phase DC resistance (25℃): 0.76Ω

Rated speed: 4500rpm

Maximum speed: 6000rpm (reduction to 8000rpm is possible)

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 (solid shaft, with standard key slot)

Rotor rotational inertia: 0.00124kg·m²

Overall weight: 7.8kg (without brake)

Bearing life: ≥20000 hours (rated conditions)

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

Certification: CE, UL, cURus certification

(4) Feedback and Connection

Feedback system: SFD intelligent multi-turn feedback (24-bit resolution, battery-free, maintenance-free, 155℃ temperature resistance)

Feedback accuracy: ±0.75 arc minutes (single turn), multi-turn unlimited counting

Connector: Custom 02 type connector (power + feedback integrated, enhanced sealing)

Compatible cable: Kolmorgen SFD dedicated integrated cable

Communication interface: Supports EtherCAT, PROFIBUS, etc. buses

IV. Core Product Characteristics

Medium-high voltage high torque high power density

L grade winding adapted to 400VAC/560VDC, 108mm flange outputs 14.1Nm continuous torque, long rotor optimized magnetic circuit, torque density is 20%+ higher than the same level, suitable for high-speed heavy-load precision applications.

SFD intelligent multi-turn high precision feedback

24-bit SFD feedback, battery-free, maintenance-free, unlimited multi-turn, single turn accuracy ±0.75 arc minutes, strong anti-interference, resistant to temperature and humidity, achieving sub-micron positioning accuracy, suitable for high-end precision equipment.

Key shaft with key slot high transmission rigidity 19mm keyway shaft design, standard key connection, easy installation, strong transmission rigidity, suitable for large torque transmission, frequent forward and reverse rotations, and high impact load scenarios. No need for expansion and tightening sleeves to ensure stable transmission.

Lightweight and high dynamic

No electromagnetic brake design, reducing weight, lowering inertia, and improving dynamic response. The maximum rotational speed is 6000 rpm, suitable for high-speed positioning, rapid start-stop, and non-vertical axis applications.

IP65 reinforced sealing, high durability

Fully sealed IP65 housing, F-class insulation, custom 02 seal connector, dustproof, oilproof, splash-proof, resistant to chemical corrosion, suitable for harsh industrial environments and high cleanliness requirements scenarios, with MTBF ≥ 50,000 hours.

SFD bus plug-and-play

SFD feedback supports digital bus communication, motor automatic identification, parameter self-matching. It is compatible with AKD drivers, plug-and-play, and debugging is efficient, significantly shortening the equipment development cycle.

Five, Typical Application Scenarios

Precision machine tools: machining centers, CNC grinding machines, coordinate boring machines (high precision positioning, high-speed feed)

Semiconductor equipment: wafer handling, probe stations, dicing machines (sub-micron positioning, clean environment)

Electronic manufacturing: high-speed dispensing machines, dispensing machines, AOI inspection (high precision, high dynamic, long life)

Packaging machinery: high-speed die cutting, offset printing, deviation correction, fly cutting (high-speed synchronization, precise positioning)

Automation production lines: precision assembly, robot joints, high-speed conveying (high dynamic, continuous heavy load)

Printing equipment: offset printing, flexographic printing, digital printing (precise offset printing, high-speed stability)

Six, Suggested Accessories and Configuration

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

Recommended cable: SFD integrated power feedback cable (7×0.75mm²)

Optional accessories: shaft end seal (IP65), keyway, flange adapter, special length cable

Seven, Product Advantage Summary

AKM54L-CSSNR-02 is the flagship model of the AKM5 series, featuring high pressure, high precision, high dynamic, SFD intelligent feedback, key slot, IP65 reinforced sealing. With 14.1Nm torque, 24-bit SFD battery-free multi-loop feedback, keyway high rigidity shaft, custom 02 seal connector, IP65 high protection as core advantages, it perfectly meets the requirements of precise positioning, high-speed dynamics, continuous heavy load, and harsh environments. It is the preferred solution for high-precision servo control in high-end industrial automation, semiconductor, and electronic manufacturing fields.