Kollmorgen AKM54G-ANC2R-00 Servo Motor Detailed Product Description

I. Product Overview

AKM54G-ANC2R-00 is a high-performance brushless synchronous servo motor from the AKM series of Kollmorgen. It belongs to the AKM5 frame (108mm flange), long rotor (4 segments), medium-large power, high torque density standard industrial model. It is equipped with G-level winding (480VAC/640VDC bus), rotary transformer feedback, 24V electromagnetic brake, smooth keyless shaft, IP65 high protection, specifically designed for high-precision positioning, high dynamic response, power-off position retention, continuous heavy-load conditions, and perfectly matches the AKD series driver. It is widely used in automation fields such as machine tools, robots, packaging, textiles, semiconductors, etc. 

II. Model Code Analysis (AKM54G-ANC2R-00)

AKM: Kolmosen standard brushless servo motor series

54G:

5: Frame size (5th type, 108mm IEC flange)

4: Rotor length (4 stacked segments, long rotor, high power)

G: Winding type (G grade, compatible with 480VAC power grid, maximum 640VDC bus)

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

N: Shaft end form (smooth solid shaft, no keyway, compatible with expansion sleeve connection)

C: Feedback device (16-bit resolver, high interference resistance, temperature resistance, high reliability)

2: Brake configuration (24VDC electromagnetic brake, self-locking when power is off, position retention)

R: Winding electrical parameters (R type, 480VAC / 640VDC bus compatibility)

00: Standard configuration (no special sealing, no custom accessories, IP65 standard protection)

III. Core Technical Parameters

(1) Electrical Parameters

Maximum DC bus voltage: 640VDC

Rated power: 3.87kW (5.19HP)

Continuous stall torque: 14.4Nm

Peak torque: 36.0Nm (≈2.5× continuous)

Continuous stall current: 11.5Arms

Peak current: 33.0A

Reverse electromotive force constant: 88.5Vrms/krpm

Phase-to-phase DC resistance (25℃): 0.87Ω

Rated speed: 4000rpm

Maximum speed: 6000rpm

Insulation class: F grade (155℃)

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

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

Brake parameters: 24VDC, 0.8A, retention torque ≥ 16Nm (self-locking when power is off)

(2) Mechanical Parameters

Flange size: 108×108mm (IEC B5)

Shaft diameter: 19mm (smooth solid shaft, no keyway)

Rotor rotational inertia: 0.00124kg·m²

Overall weight: 8.2kg (including brake)

Thermal time constant: 32 minutes

Thermal resistance: 0.45℃/W

Bearing life: ≥20000 hours (rated conditions)

Installation direction: Any direction (V1/V3 universal)

(3) Environment and Protection

Protection class: Shell IP65, shaft end IP40 (optional shaft seal upgrade to IP65)

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 (no electronic components, temperature resistance 155℃, strong interference resistance)

Connectors: 2 rotatable M23 angle connectors (power + feedback separation, 360° wiring)

Adapter cable: Kolmosen standard M23 power / feedback cable (supports single cable)

Connection method: Speed Tec Ready plug-in structure, plug-and-play

IV. Product Core Characteristics

Ultra-high torque density (long rotor, high power)

108mm flange output 14.4Nm continuous torque, long rotor optimized magnetic circuit, torque is improved by approximately 25% compared to AKM53, suitable for large load, low speed, high thrust scenarios, volume is reduced by 20%+ compared to similar competitors.

24V electromagnetic brake (self-locking when power is off) Standard equipped with a 24VDC power failure brake, maintaining a torque of ≥16Nm. Power failure locks the shaft, and automatically releases upon power restoration. Features include vertical shaft / power failure anti-drop / position retention. These are essential for safety and reliability.

Rotary transformer (industrial-grade high reliability)

16-bit Resolver without batteries or optical components, resistant to temperature, humidity, dust, and strong vibration. It has zero failures in extreme industrial environments and is suitable for high-speed, high-temperature, and oil-contaminated conditions.

Wide voltage full-range compatibility

G-grade windings compatible with 480VAC industrial power grid / 640VDC busbar. It is universally applicable to global standard voltages and directly matches AKD-P02406 and AKD-P03606 drives without transformers.

Smooth shaft without keyways (high-precision connection)

19mm smooth shaft design, without keyway stress concentration, and achieved zero backlash, high concentricity, and large torque transmission, suitable for high-speed, high-precision, and long-life transmission.

High protection and durability

IP65 fully sealed housing, F-grade insulation, fully sealed bearings, dustproof, oilproof, and splash-proof, suitable for harsh workshop environments, with MTBF ≥50,000 hours.

Flexible installation and wiring

IEC standard flanges compatible with global installation specifications; 360° adjustable rotating M23 connector for no dead corners in on-site wiring; automatic identification with AKD drives and self-matching parameters, facilitating efficient debugging.

Five. Typical application scenarios

Machine tools: CNC milling machines, machining centers, gantry machines, grinding machines, gear processing machines (heavy-duty feed axis, vertical axis)

Industrial robots: multi-joint robots, palletizing robots, handling robots, Delta robots (large load joints)

Packaging machinery: vertical packaging machines, filling machines, slitting machines, die-cutting machines, bag-making machines (continuous heavy-duty, precise positioning)

Textile machinery: warp knitting machines, weft knitting machines, winding machines, dyeing and finishing equipment (tension control, synchronous drive)

Plastic and rubber machinery: injection molding machines, extrusion machines, calendering machines (high thrust, continuous stability)

Semiconductor / electronics: inspection equipment, chip placement machines, dicing machines, assembly machines (high precision, high reliability)

Automation lines: servo press-fitting machines, precision platforms, lifting equipment, conveying lines (power failure retention, vertical application)

Six. Suggested accessories and selection

Compatible drives: Kollmorgen AKD series (AKD-P02406, AKD-P03606)

Recommended cables: M23 power cable (4×1.5mm²), feedback cable (4×2×0.25mm²)

Optional accessories: shaft end seal (IP65), expansion sleeve (clamping the optical shaft), extension shaft, special flange, waterproof connector

Seven. Summary of product advantages

AKM54G-ANC2R-00 is the flagship model of the AKM5 series, featuring high power, high torque, brake-equipped, high reliability. With a 14.4Nm large torque, high reliability of rotary transformer, 24V power failure brake, IP65 protection, and smooth high-precision shaft, it perfectly meets the requirements of heavy-duty, vertical, safety, and extreme environments. It is the preferred solution for industrial automation with high reliability, high thrust, and high precision servo control.