Kollmorgen AKM63N-ACC2R-00 Servo Motor Detailed Product Description

I. Product Overview

AKM63N-ACC2R-00 is a 6-frame (138mm flange), three-stage medium-long rotor, medium-voltage brushless synchronous servo motor from the AKM series of Kollmorgen. The core configuration includes N-class medium-voltage winding, IEC standard flange, closed keyway shaft, EnDat multi-turn absolute encoder feedback, 24VDC electromagnetic brake, IP65 protection, standard 00 connector. It features medium-voltage power supply, absolute position feedback, self-locking with power failure brake, high positioning accuracy, strong stability, and is compatible with 240VAC / 320VDC busbars. It is specifically designed for industrial automation scenarios requiring precise positioning, power failure retention, vertical axis load, and medium to heavy-duty applications. 

II. Model Code Analysis (AKM63N-ACC2R-00)

AKM: Kollmorgen standard brushless servo motor series

63:

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

3: Rotor length (3 stacked segments, medium-long rotor, torque and dynamic balance)

N: Winding grade (N grade, suitable for 240VAC / 320VDC medium-voltage busbar)

Kollmorgen

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

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

C: Feedback device (EnDat multi-turn absolute encoder, high precision, power-off memory)

2: Brake configuration (24VDC electromagnetic brake, self-locking when power off, vertical axis anti-fall)

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

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

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC bus voltage: 320VDC

Rated power: 1.02kW (320VDC bus)

Continuous stall torque: 1.62Nm

Peak torque: 2.06Nm (≈1.27× continuous)

Continuous stall current: approximately 4.5Arms

Peak current: approximately 6.0A

Reverse electromotive force constant: approximately 32Vrms/krpm

Phase-to-phase DC resistance (25℃): approximately 2.8Ω

Rated speed: 6000rpm

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)

Brake parameters: 24VDC, 0.8A, holding torque ≥2.5Nm

(2) Mechanical Parameters

Flange size: 138×138mm (IEC B5)

Shaft diameter: 19mm (closed keyway, standard 6×6×28mm keyway)

Rotor rotational inertia: approximately 0.0012kg・m²

Overall machine weight: approximately 10.5kg (with brake)

Bearing life: ≥20000 hours (rated condition)

Installation direction: any direction (vertical axis preferred)

(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: Compliant with IEC 60068-2-6 / 2-27

Certification: CE, UL, cURus certification

(4) Feedback and Connection

Feedback system: EnDat 2.2 multi-turn absolute encoder (23bit single turn + 12bit multi-turn, no battery required)

Feedback accuracy: ±20 angle seconds (±0.33 arc minutes), ultra-high positioning accuracy

Connector: Standard 00 type M23 connector (power + feedback separation, IP65 sealed)

Power / Feedback cable: Kollmorgen standard M23 power / feedback cable

Connection method: 360° rotation, flexible on-site wiring

IV. Core Product Characteristics

Safe and stable for medium-voltage adaptation

N-grade winding suitable for 240VAC / 320VDC medium-voltage systems, with moderate voltage levels, high safety, wide compatibility, suitable for factory standard 220V power grid direct power supply, no need for high-voltage transformers, reducing system cost and risk.

EnDat absolute encoder high precision EnDat multi-turn absolute encoder, retains position even during power loss, no need to return to zero upon power-on, 23-bit ultra-high precision, positioning error ≤ ±20 arc seconds, suitable for scenarios such as micrometer-level positioning, high-speed synchronization, and multi-axis collaboration, can operate directly without zeroing.

24VDC electromagnetic brake self-locking

Standard 24VDC electromagnetic brake, immediately locks the shaft upon power loss, prevents falling of the vertical shaft, maintains the stop position, braking torque ≥ 2.5Nm, reliably supports heavy loads, perfectly suitable for scenarios requiring locking during power loss such as vertical robotic arms, lifting platforms, material elevators, and precision turntables.

Sealed keyway shaft transmission reliable

19mm sealed keyway shaft, standard key connection, no slippage during transmission, stable torque transfer, convenient installation, strong versatility, suitable for traditional transmission structures such as gears, synchronous belts, and couplings, highly compatible with industrial environments.

IP65 protection durable and reliable

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

High dynamic response, quick start and stop

Low inertia rotor design, fast dynamic response, strong acceleration and deceleration performance, short positioning time, maximum 6000rpm speed, meets the requirements of high-speed positioning, frequent start-stop, and repetitive automation equipment.

Five, Typical Application Scenarios

Robot: vertical joints, lifting axes, handling robotic arms (self-locking, precise positioning)

Machine tools: CNC lathes, grinders, machining centers (absolute position, high-speed high-precision)

Packaging machinery: vertical packaging machines, labeling machines, labeling machines (compatible with medium pressure, stable and reliable)

Logistics equipment: elevators, sorters, vertical warehouses (vertical shaft, maintaining position during power loss)

Electronic manufacturing: assembly machines, inspection equipment, dispensing machines (high precision, fast response)

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

Printing equipment: flexographic printing machines, intaglio printing machines, die-cutting machines (precise multi-printing, synchronous control)

Six, Accessories and Selection Suggestions

Compatible driver: Kollmorgen AKD series (AKD-P00606, AKD-X00606)

Recommended cables: M23 power cable (4×1.5mm²), EnDat feedback cable (8×0.25mm²)

Optional accessories: shaft end seal (IP65), standard key, flange adapter, brake control module

Seven, Product Advantage Summary

AKM63N-ACC2R-00 is a standard model of the AKM6 series with medium pressure, absolute encoder, electromagnetic brake, keyway shaft, IP65 protection. With 320VDC medium pressure compatibility, EnDat ultra-high precision absolute feedback, 24VDC self-locking during power loss, reliable closed keyway transmission, IP65 protection, high dynamic response as core advantages, perfectly meets the requirements of medium power, high precision, power loss retention, vertical shaft, harsh environments in industrial automation, is the preferred solution for safety and reliable, high-performance servo control in fields such as robots, machine tools, packaging, logistics, etc.