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Kollmorgen AKM23D-EFCN2-0

Product Series: AKM Series Framed Servo Motor

Model Breakdown:

  • AKM — Framed Brushless Servo Motor
  • 23 — Frame Size 23 (23mm stack length)
  • D — Medium Length Stack
  • EF — Winding Code (Electrical Characteristics)
  • CN2 — 20-Pin M23 Connector
  • 0 — Standard Variant

Detailed content

Technical Specifications:

Parameter Value
Rated Torque 0.63 Nm
Peak Torque 1.9 Nm
Rated Speed 3,000 RPM
Rated Voltage (DC Bus) 48 VDC
Rated Current (RMS) 4.0 A
Peak Current 12.0 A
Insulation Class Class F (155°C)
Protection Rating IP65 (with connector), IP67 (without)
Weight 0.45 kg (0.99 lbs)

Feedback Device:

  • Type: Single-Turn Absolute Encoder
  • Resolution128 lines/rev (512 counts/rev x4 decoding)
  • Interface: BiSS-C / EnDat 2.2 compatible
  • Accuracy: ±1.8 arcmin (electrical)

Structural Features:

  • Housing Material: Anodized Aluminum Alloy (6061-T6)
  • Shaft Material: Hardened Stainless Steel (17-4PH)
  • Bearings: Sealed Ball Bearings (lifetime lubricated)
  • Mounting: Front Flange Mount with 4x M4 Tapped Holes
  • Shaft Diameter: 8mm with Keyway

Performance Parameters:

  • Torque Constant (Kt): 0.16 Nm/A
  • Back-EMF Constant (Ke): 15.2 V/krpm
  • Rotor Inertia: 0.35 × 10⁻⁴ kg·m²
  • Mechanical Time Constant: 4.2 ms
  • Electrical Time Constant: 1.8 ms
  • Thermal Resistance (Rth): 4.8 K/W

Applicable Industries: Pick-and-place machines, packaging equipment, semiconductor handling, laboratory automation, medical device actuators.

Installation Requirements:

  • Mounting orientation: Any (360°)
  • Tightening torque: 2.5 Nm max on flange bolts
  • Cable bend radius: ≥50mm at connector exit
  • Ambient temperature range: -10°C to +50°C

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