Kolmorgen AKM44G-ACCNR-00 Servo Motor Detailed Product Description

I. Complete Model Analysis

Main Model: AKM44G

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

4: 4-inch housing → 84×84mm IEC standard square flange

4: Stator overlap length 4 → Ultra-long body, ultra-high torque output

G: 640V high-voltage winding → Compatible with three-phase 480V AC, DC bus 640V DC

Configuration Code: ACCNR

A: Installation form → IEC standard square flange (84×84mm, precision N grade)

C: Output shaft → φ19mm shaft with key slot, shaft end with M10 fixing screw holes

C: Feedback type → 16-bit 2-pole resolver (Resolver)

N: Electromagnetic brake → No built-in brake

R: Connector → Double M23 elbow rotatable connector (power / feedback separation)

Suffix -00

Standard shaft extension (40mm) + standard shaft seal

Protection grade: IP65 (body) / IP65 (shaft end)

F-class insulation, standard industrial bearings

II. Core Electrical Parameters

Continuous start torque: 5.88 N·m

Rated torque: 3.19 N·m

Peak torque: 20.2 N·m

Rated power: 1.67 kW

Rated speed: 5000 rpm

Maximum speed: 6000 rpm

Compatible voltage: three-phase 480V AC

DC bus: 640V DC

Rated current: 2.7 A RMS

Start current: 5.00 A RMS

Pole pairs: 10 pairs (5 pairs)

Rotor inertia: 0.00090 kg·m²

Insulation class: F class 155℃

Overall weight: 5.3 kg

III. Feedback System (16-bit 2-pole resolver)

Type: 16-bit 2-pole resolver (Resolver)

Resolution: 16 bits (65,536 ppr)

Core characteristics:

Inductive single-winding feedback, resistant to high and low temperatures, anti-strong vibration, high reliability

No electronic components, suitable for harsh industrial environments

Compatible with Kolmorgen AKD/AKD2G series drivers

Supports sinusoidal commutation, smooth operation, low noise

IV. Mechanical Structure Specifications

Installation flange: 84×84mm IEC standard square flange (precision N grade)

Shaft diameter / shaft type: φ19mm shaft with key slot, standard shaft extension 40mm

Shaft seal: Standard shaft seal ring (shaft end IP65)

Brake: No built-in brake, low inertia, high dynamic response

Connector: Double M23 elbow rotatable connector, power and feedback separation

Protection grade: IP65 (body) / IP65 (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

Shock/impact resistance: Industrial-grade high shock resistance design

Compliance certifications: CE, UL, cULus, RoHS

VI. Core Features of the Product

640V G-class high-voltage winding

Compatible with industrial 480V power grid, low current, high efficiency, low loss in long-distance wiring.

84mm IEC standard flange

Global universal installation size, convenient replacement, strong compatibility.

Super long stacking and ultra-high torque

Stator stacking length 4, large torque output, suitable for heavy-load, high-thrust applications.

φ19mm shaft with key slot

Reliable transmission, strong torque-bearing capacity, suitable for direct drive of heavy-load, impact conditions.

16-bit resolver

High reliability, resistant to vibration, wide temperature range, suitable for harsh industrial environments.

Double M23 elbow rotatable connector

Flexible wiring, space-saving, strong anti-interference.

No brake design

Suitable for horizontal moving axes, no risk of vertical fall, small inertia, fast acceleration.

Full-axis IP65 protection

Dust-proof, resistant to high-pressure spraying, suitable for humid, oily, dusty industrial environments.

VII. Compatible Drives

Kolmos 640V high-voltage series:

AKD-P03607, AKD-P04807

AKD2G models of the same voltage level

Supporting protocols: Resolver, EtherCAT, CANopen, PROFINET

VIII. Typical Applications

Heavy-load drive: Material conveying, woodworking machinery, textile machinery

Precise positioning: Electronic manufacturing, precision machine tools, automated production lines

High-speed synchronization: Packaging machinery, printing machinery, food processing

Harsh environments: Damp, dusty, high-vibration industrial scenarios

Compatible: 84mm flange, 480V high-voltage, super long stacking and high torque, φ19mm key-slot shaft, resolver feedback, double M23 elbow, full-axis IP65 protection scenarios.

IX. One-sentence Summary of Model

AKM44G-ACCNR-00:

84mm IEC square flange, No. 4 mounting base, super long stacking, 640V high-voltage, 5000rpm rated speed, φ19mm shaft with key slot, 16-bit resolver, no brake, double M23 elbow rotatable connector, full-axis IP65 protection servo motor;

Positioning: High-voltage heavy-load, high reliability, industrial general-purpose model in harsh environments.