Kolmorgen AKM42E-EKCNR-00 Servo Motor Detailed Product Description

I. Complete Model Interpretation

1. Main Model: AKM42E

AKM: Kolmorgen High-performance Permanent Magnet Synchronous Servo Motor Series

4: 4-inch base → 84×84mm NEMA standard square flange

2: Stator Stack Length 2 → Medium body length, torque and rotor inertia balanced

E: High-voltage winding → Suitable for 3-phase 400-480V AC, DC bus 640V DC

2. Configuration Code: EKCNR

E: Installation Form → 84×84mm NEMA square flange

K: Output Shaft → φ14mm shaft with key slot (standard key slot), shaft end with M8 fixing screw holes

C: Feedback Type → 16-bit 2-pole hollow shaft resolver (Resolver)

N: Electromagnetic Brake → No built-in brake

R: Connector → Double M23 angled rotatable integrated connector (power + feedback separation)

3. Suffix 00

Standard factory standard, no special customization, IP65 industrial protection, F-class insulation, lifetime lubrication standard bearings.

II. Core Electrical Parameters

Continuous Stall Torque: 3.42 N·m

Rated Torque: 2.72 N·m

Peak Torque: 11.5 N·m

Rated Power: 1.14 kW

Rated Speed: 4000 rpm

Maximum Speed: 5470 rpm

Compatible Voltage: 3-phase 400/480V AC

DC Bus: 640V DC

Rated Current: 2.74 A RMS

Peak Current: 8.22 A

Pole Number: 6 poles

Rotor Inertia: 0.00015 kg·m²

Insulation Class: F-class 155℃

Overall Machine Weight: 4.0 kg

III. Feedback System (16-bit Resolver)

Type: 16-bit 2-pole Hollow Shaft Resolver (Resolver)

Resolution: 16-bit (65536 ppr)

Core Characteristics:

High shock resistance, high temperature resistance, oil resistance, extremely strong reliability in extreme industrial environments

No electronic components, superior anti-interference ability than encoders

Compatible with Kolmorgen's full series of drivers, supports speed and position closed-loop

Sturdy structure, long lifespan, maintenance-free

IV. Mechanical Structure Specifications

Installation Flange: 84×84mm NEMA square flange

Shaft Diameter / Shaft Type: φ14mm shaft with key slot

Shaft Extension: Standard industrial shaft extension, shaft end with M8 fixing screw holes

Brake: No built-in brake, lower rotor inertia, faster dynamic response

Connector: Double M23 angled rotatable connector (power, feedback separation)

Protection Grade: IP65 for the entire machine (body + shaft end)

Shell: RAL 9005 matte black enamel

Bearings: Industrial-grade lifetime lubrication maintenance-free bearings

V. Environment and Certification

Operating Temperature: -20℃ ～ +40℃

Storage Temperature: -30℃ ～ +85℃

Relative Humidity: 5%～95% RH, no condensation

Anti-vibration / Impact: Industrial-grade high anti-vibration design

Compliance Certifications: CE, UL, cULus, RoHS

VI. Core Product Features

480V High-Voltage E Winding

Compatible with industrial 400/480V high-voltage power grid, small current, low wiring loss, high system efficiency.

84mm NEMA standard flange

North American standard installation dimensions, compatible with North American specification equipment, easy replacement.

Medium Stacked Length Torque / Inertia Balanced

Balances medium and heavy load capacity with high-speed dynamic response, suitable for high-frequency start-stop precision positioning.

16-bit High-Reliability Resolver Works stably under extreme conditions (high temperature, high vibration, and high dust content), with stable positioning accuracy.

Shaft with keyway

High transmission torque, no slipping, suitable for heavy-load and impact load scenarios.

Double M23 angled rotatable joints

Flexible wiring, easy installation, vibration-resistant, separated design for convenient maintenance.

No brake design

Suitable for horizontal moving shafts, without vertical fall risk scenarios, small inertia, fast acceleration.

IP65 industrial protection

Dust-proof, splash-proof water-resistant, suitable for continuous operation in ordinary dust and humid workshops.

VII. Compatible Drives

Kolmorgen 480V/640V High Voltage Series:

AKD-P02407, AKD-P03607

AKD2G models of the same voltage level

Supporting protocols: encoder feedback, EtherCAT, CANopen, pulse / analog quantity

VIII. Typical Applications

Numerical control equipment, packaging machinery, textile machinery, material conveying systems, injection molding machines, woodworking machinery, semiconductor equipment;

Compatible: 84mm NEMA flange, 480V high voltage, medium load high precision, high reliability encoder, with keyway, without brake, IP65 protection scenarios.

IX. Summary of Model in One Sentence

AKM42E-EKCNR-00:

84mm NEMA square flange, No. 4 mounting base, medium stack length, 480V high voltage, shaft with keyway, 16-bit encoder, without brake, double M23 angled rotatable joints, IP65 protection servo motor;

Positioning: universal high voltage, medium heavy load, high reliability, stable under extreme conditions, NEMA standard installation.