Kollmorgen AKM43E-ANSNS-06 Brushless Servo Motor (Series 4 / Medium Inertia / High Voltage)

I. Product Overview

AKM43E-ANSNS-06 is a high-performance brushless permanent magnet synchronous servo motor from the AKM series of Kollmorgen. It belongs to the Series 4 (84mm flange), medium length, E-class winding (640VDC high voltage) standard model. It is equipped with incremental encoder feedback, no brake, IP65 protection, standard optical shaft, rotatable M23 connector. It is mainly characterized by high voltage high power, high dynamic response, low tooth-slot effect, high positioning accuracy, industrial-grade reliability, and is specifically designed for 640V high-voltage DC busbars, medium-large power precision positioning, and high-speed continuous operation scenarios. 

II. Model Code Analysis (AKM43E-ANSNS-06)

Part 1: AKM43E (Frame/Electrical Specifications)

AKM: Kromgum Standard Brushless Servo Motor Series

4: Frame Size (4th Type, 84mm × 84mm Square Flange)

3: Motor Stack Length (3rd Type, Medium Length Body)

E: Winding Specifications (E Class, 640VDC High Voltage Winding)

Part 2: ANSNS (Configuration Code, 5 Digits)

A: Feedback Type - Incremental Encoder

N: Brake - No Electromagnetic Brake

S: Shaft End - Standard Light Shaft (No Groove, Center Thread Hole Included)

N: Flange - Standard Square Installation Flange (IEC/NEMA)

S: Connector - Rotatable M23 Circular Connector (Power + Feedback Separation)

Part 3: 06 (Customization/Protection)

06: IP65 Full Machine Protection (Including Shaft Sealing), Standard Coating

III. Core Technical Parameters

(1) Electrical Parameters

Rated Voltage: 640VDC (Compatible with 480VAC Input)

Continuous Stall Torque: 4.3Nm

Peak Torque: 12.9Nm (3× Overload)

Continuous Current: 2.6A

Peak Current: 7.8A

Rated Speed: 3000rpm

Maximum Speed: 5000rpm

Reverse Electromotive Force Constant (Ke): 19.5V/1000rpm

Rotor Inertia: 1.4kg·cm²

Rated Power: 1.35kW

Phase/ Pole Number: Three-phase / 10 Pole

Insulation Class: F Class (155℃)

(2) Mechanical Parameters

Frame Size: 84mm × 84mm (4th Type Flange)

Shaft Diameter: 14mm (Light Shaft, M6 Center Thread Hole)

Overall Length: 210.3mm

Weight: 5.8kg

Bearings: Double-row Precision Ball Bearings

Cooling Method: Natural Cooling (TENV)

(3) Environment and Connection

Protection Grade: IP65 (Machine Shell)/ IP65 (Shaft End, With Sealing)

Operating Temperature: -20℃ ~ +40℃

Storage Temperature: -40℃ ~ +85℃

Connectors: 2 × M23 Rotatable Circular Connectors (Power, Feedback Separation)

Feedback Specifications: Incremental Encoder, 2500 Wires

Certifications: CE, UL, cURus, RoHS

IV. Product Core Characteristics

High Voltage High Power Density

640VDC High Voltage Winding, 84mm Body Output 4.3Nm Continuous Torque, Power Density Increased by 30% compared to 4 Series, Suitable for 480VAC Industrial Power Grid, Long Distance Wiring, High Power Equipment.

High Dynamic Low Slot Design

10 Pole Low Harmonic Permanent Magnet Structure, Low Slot Torque, Speed Fluctuation < 0.5%, Fast Dynamic Response, Stable Positioning, Suitable for High-Speed Point Motion, Precise Profile Control.

Industrial Grade High Reliability Structure

IP65 Full Machine Sealing, Dual Oil Seals at Shaft End, F Class Insulation, Metal Reinforced Body, Adapt to Dust, Oil Stain, Humidity Harsh Environments, 24-hour Continuous Stable Operation.

Flexible Standard Interface

Rotatable M23 Connector, Standard 84mm Flange, 14mm Universal Light Shaft, Plug-and-Play, Easy Installation, Perfectly Compatible with Kromgum AKD, SERVOSTAR Series Drives.

High Precision Incremental Feedback

2500-Wire Incremental Encoder, Differential Signal Output, Strong Anti-Interference, Combined with Servo Drive to Achieve ±0.001° Ultra-High Positioning Accuracy.

V. Typical Application Scenarios

Industrial Machines: CNC Milling Machines, Grinding Machines, Precision Worktables, Laser Cutting / Marking Machines Automation equipment: Packaging machinery, printing machinery, textile machinery, semiconductor equipment

Robots: Lightweight robotic arms, SCARA robots, assembly robots, AGV drives

Precision instruments: Coordinate measuring machines, inspection equipment, optical positioning, medical imaging equipment

High-voltage servo systems: 480V power grid equipment, high-power production lines, long-distance drive systems

Six. Sourcing and Selection Suggestions

Compatible drivers: Kormogam AKD-P00606, AKD-P01206 (640V high-voltage series)

Feedback cables: M23 8-core shielded cable (encoder)

Power cables: M23 4-core shielded cable (power)

Maintenance: Brushless maintenance-free, no brush replacement, bearing life ≥ 20,000 hours

Comparison selection: Compared with AKM42E (short body), torque increases by 40%; compared with AKM44E (long body), inertia is lower, dynamic response is faster.

Seven. Summary of Product Advantages

AKM43E-ANSNS-06 is a standard brushless servo with 84mm flange, 640VDC high-voltage, 4.3Nm torque, incremental encoder, no brake, IP65, rotatable M23 connection, low tooth groove, high dynamic. Core advantages: high-voltage high-power, high power density, low tooth groove smoothness, high-reliability IP65, flexible standard interface, high-precision feedback. It perfectly meets the driving requirements of 480V industrial power grid, medium-large power, high-speed precision, high-reliability automation equipment, and is an ideal choice for high-voltage servo systems, precision machine tools, and high-speed automation lines.