Kollmorgen AKM65M-ACCNR-00 Servo Motor Detailed Product Description

I. Product Overview

AKM65M-ACCNR-00 is a 6-frame (138mm IEC flange), 5-segment long rotor, high-voltage brushless synchronous servo motor from the Kollmorgen AKM series. The core configuration includes M-level high-voltage windings, IEC standard flange, closed keyway shaft, 16-bit resolver feedback, no electromagnetic brake, IP65 protection, standard 00 connector. It is mainly characterized by high-voltage heavy-duty, large torque output, high reliability, resolver anti-interference, compatible with 480VAC / 640VDC busbars, specially designed for high-power heavy-duty, high-precision positioning, harsh industrial environments, and no need for power-off retention in automated scenarios.

II. Model Code Interpretation (AKM65M-ACCNR-00)

AKM: Kollmorgen standard brushless servo motor series

65: Frame size (6, 138mm IEC flange)

5: Rotor length (5 stacked segments, long rotor, large torque heavy-duty)

M: Winding grade (M-level, compatible with 480VAC industrial grid / 640VDC busbar)

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

C: Shaft end form (closed keyway shaft, standard keyway transmission)

C: Feedback device (16-bit resolver, single loop, highly reliable, anti-interference)

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

R: Winding electrical parameters (R-type, standard compatibility)

00: Custom configuration (standard connector, standard wiring, no special customization)

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC busbar voltage: 640VDC

Rated power: 5.69kW (640VDC busbar)

Continuous stall torque: 25.0Nm

Peak torque: 62.5Nm (≈2.5× continuous)

Continuous stall current: 13.6Arms

Peak current: 34.0A

Reverse electromotive force constant: 92.5Vrms/krpm

Phase-to-phase DC resistance (25℃): 0.65Ω

Rated speed: 3000rpm

Maximum speed: 5000rpm (reduction to 6000rpm 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: 48 minutes

(2) Mechanical Parameters

Flange size: 138×138mm (IEC B5)

Shaft diameter: 24mm (closed keyway, standard 8×7×40mm keyway)

Rotor rotational inertia: 0.0048kg·m²

Overall machine weight: 15.2kg (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

Certifications: CE, UL, cURus certification

(4) Feedback and Connection

Feedback system: 16-bit resolver (single loop, no battery, temperature resistant 155℃, anti-strong interference)

Feedback accuracy: ±45 angle seconds (±0.75 arc minutes) Connector: Standard 00-type M23 connector (power + feedback separation, 360° rotation, IP65 sealed)

Adaptor cable: Kolmoschung standard M23 power/feedback cable

Connection method: Rotatable design, flexible on-site wiring

VII. Core Product Features

High voltage, heavy load, large torque

M-level high-voltage winding compatible with 480VAC/640VDC, 5-stage long rotor design, 138mm flange output 25.0Nm continuous torque, torque density leading at the same level, perfectly suitable for high-power heavy-load, continuous high-load industrial scenarios.

Rotary transformer feedback high reliability

16-bit rotary transformer, no optical components, resistant to temperature, humidity, dust, strong vibration, zero failure in extreme industrial environments, compatible with high-speed, high-temperature, oil contamination, strong electromagnetic interference scenarios.

Closed keyway shaft transmission stable

24mm closed keyway shaft, standard key connection, no slipping during transmission, stable torque transmission, convenient installation, strong versatility, compatible with traditional transmission structures such as gears, synchronous belts, couplings.

No brake weight reduction, high dynamic response

No electromagnetic brake design, reduces weight, lowers inertia, improves dynamic response, maximum speed 5000rpm, suitable for high-speed positioning, rapid start-stop, non-vertical axis heavy-load applications.

IP65 high protection durability

Fully sealed IP65 housing, F-class insulation, standard 00 sealed connector, dustproof, oilproof, splash-proof, resistant to chemical corrosion, suitable for harsh industrial environments, continuous heavy-load scenarios, MTBF ≥ 50,000 hours.

Flexible wiring plug-and-play

Rotatable M23 connector adjustable 360°, no dead corners in on-site wiring; automatically recognized with AKD driver, parameters self-matched, efficient debugging, significantly shortens equipment development cycle.

VIII. Typical Application Scenarios

Precision machine tools: Heavy-duty CNC lathes, gantry milling machines, machining centers (heavy load, high precision, high speed)

Plastic machinery: Injection molding machines, extrusion machines (large torque, continuous heavy load, stable control)

Rubber machinery: Mixing machines, calendering machines (high load, harsh environment, long life)

Printing equipment: Offset printing machines, flexographic printing machines, die-cutting machines (high-speed offset printing, precise positioning)

Packaging machinery: Heavy-duty die-cutting, offset printing, deviation correction, shearing (heavy load, high-speed, precise positioning)

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

Metal processing: Shearing, stamping, bending (large torque impact, frequent start-stop)

IX. Accessories and Selection Suggestions

Compatible driver: Kolmoschung AKD series (AKD-P06006, AKD-P07506)

Recommended cable: M23 power cable (4×2.5mm²), feedback cable (4×2×0.25mm²)

Optional accessories: Shaft end seal (IP65), standard key, flange adapter, special length cable

X. Summary of Product Advantages

AKM65M-ACCNR-00 is the standard model of the AKM6 series, featuring 640VDC high voltage adaptation, 25.0Nm large torque, 16-bit rotary transformer high reliability, closed keyway shaft stable transmission, no brake weight reduction, IP65 protection, as the core advantages, perfectly meeting the industrial automation requirements of high power heavy-load, high precision, harsh environment, no power-off retention, and is the preferred solution for high-performance servo control in heavy machine tools, plastic machinery, printing packaging, etc. fields.