Kollmorgen AKM73Q-ANCNR-00 Servo Motor Detailed Product Description

I. Product Overview

AKM73Q-ANCNR-00 is a 7-frame (188mm flange), 3-stage medium-long rotor, high-voltage special Q-class winding brushless synchronous servo motor from the AKM series of Kollmorgen. The core configuration includes Q-class high-voltage winding, IEC standard flange, smooth shaft (without keyway), 16-bit resolver feedback, no electromagnetic brake, IP65 protection, standard 00 connector. It is mainly characterized by high-voltage high-power, large torque heavy-load, high resistance to interference of resolver, smooth shaft high-precision transmission, no brake lightweight, suitable for 480VAC / 640VDC busbars, specially designed for high-power heavy-load, high-speed high-precision, harsh industrial environments, non-vertical axis, and no need for power-off retention automation scenarios. 

II. Model Code Analysis (AKM73Q-ANCNR-00)

AKM: Kolmorgen standard brushless servo motor series

73:

7: Frame size (7th type, 188mm IEC flange)

3: Rotor length (3 segments stacked, medium-long rotor, high torque output)

Q: Winding grade (Q grade, special high-voltage winding, suitable for 480VAC / 640VDC bus)

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

N: Shaft end form (smooth shaft, no keyway, high precision transmission)

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

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

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

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

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC bus voltage: 640VDC

Rated power: 8.07kW (480VDC bus)

Continuous stall torque: 41.5Nm

Peak torque: ≥100Nm (≈2.4× continuous)

Continuous stall current: 24.5Arms

Peak current: ≥60A

Torque constant: 1.70Nm/A

Reverse electromotive force constant: 109mV/min

Phase-to-phase DC resistance (25℃): approximately 0.45Ω

Rated speed: 3500rpm

Maximum speed: 6000rpm (standard)

Insulation class: F grade (155℃)

Winding temperature rise: 100K (relative to 40℃ environment)

Thermal protection: Built-in PTC thermistor (155℃ ± 5% action)

Thermal time constant: approximately 60 minutes

(2) Mechanical Parameters

Flange size: 188×188mm (IEC B5)

Shaft diameter: 38mm (smooth shaft, no keyway)

Rotor rotational inertia: 0.0092kg·m²

Overall weight: approximately 20.5kg (without brake)

Bearing life: ≥20000 hours (rated conditions)

Installation direction: any direction (V1/V3 universal)

(3) Environment and Protection

Protection class: Shell IP65, shaft end IP40

Operating temperature: -5℃ ~ +40℃ (altitude ≤1000m)

Storage temperature: -40℃ ~ +85℃

Humidity: 95% RH (no condensation)

Vibration / shock: meets IEC 60068-2-6 / 2-27

Certifications: CE, UL, cURus certification

(4) Feedback and Connection

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

Feedback accuracy: ±45 angle seconds (±0.75 arc minutes)

Connector: 2 rotatable angle M23 connectors (power + feedback separation, 360° adjustable, IP65 sealed)

Adapter cable: Kolmorgen standard M23 power / feedback cable

Wiring method: Rotatable angle design, flexible wiring at the site

IV. Product Core Characteristics

Q grade high-voltage high-power heavy-duty

Q grade special high-voltage winding suitable for 480VAC / 640VDC, 7th type large frame + 3 segments medium-long rotor, 188mm flange output 41.5Nm continuous torque, power density leading in the same level, perfectly adapted to high-power heavy-duty, continuous high-load industrial scenarios.

Resolver feedback highly reliable anti-interference

16-bit resolver without optical components, temperature resistant, moisture resistant, dust resistant, strong vibration resistance, zero failure in extreme industrial environments, suitable for high-speed, high-temperature, oil contamination, strong electromagnetic interference scenarios.

Smooth shaft high-precision transmission 38mm smooth shaft (without keyway), zero backlash, high-precision transmission, no stress concentration, compatible with precision couplings, harmonic reducers, synchronous pulleys, meeting micrometer-level positioning, high-speed synchronization scenarios.

No brake, lightweight, high dynamic performance

No electromagnetic brake design, reducing weight, lowering inertia, enhancing dynamic response, maximum rotational speed 6000rpm, 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 sealing connector, dustproof, oilproof, splash-proof waterproof, resistant to chemical corrosion, suitable for harsh industrial environments, continuous heavy-load scenarios, MTBF ≥ 50,000 hours.

Angular connectors for flexible wiring

2 rotatable angular M23 connectors adjustable 360°, no dead corners in on-site wiring; automatically recognized with AKD driver, parameters self-matched, efficient debugging, significantly shortening equipment development cycle.

Five. Typical application scenarios

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

Plastic machinery: large injection molding machines, extruders (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 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)

Textile machinery: warp knitting machines, winding machines, setting machines (medium pressure, stable transmission)

Six. Suggested accessories and selection

Compatible drivers: Kolmosorgen AKD series (AKD-P08006, AKD-P10006)

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

Optional accessories: shaft end seal (IP65), precision coupling, flange adapter, forced ventilation kit

Seven. Summary of product advantages

AKM73Q-ANCNR-00 is the standard model of the AKM7 series, high-pressure, heavy-load, medium-length rotor, resolver feedback, smooth shaft, IP65 protection. With 640VDC high pressure adaptation, 41.5Nm large torque, 16-bit resolver high reliability, smooth shaft high-precision transmission, no brake lightweight, IP65 protection, angular connectors for flexible wiring as 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 heavy-duty machine tools, plastic machinery, printing packaging and other fields of high-performance servo control.