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Kollmorgen AKMH53H-CNKNCA

Product Category: AKMH Series — Brushless DC Servo Motor with Holding Brake

Product Introduction:
The AKMH53H-CNKNCA is a compact, high-torque-density brushless servo motor from Kollmorgen’s AKMH family. It features an integrated holding brake (electromagnetic) and is built for applications requiring precise positioning with load-holding capability when power is removed.

Detailed content

Technical Specifications:

  • Series: AKMH
  • Frame Size: 53 mm (stator diameter)
  • Motor Length: H (standard length)
  • Winding Code: C
  • Feedback Type: Single-turn absolute — EnDat 2.2
  • Rated Torque: 1.5 Nm (continuous)
  • Peak Torque: 4.5 Nm
  • Rated Speed: 3000 RPM
  • Max Speed: 5000 RPM
  • Rated Voltage: 48 VDC (nominal DC bus)
  • Phase Resistance: 1.2 Ω (typical)
  • Phase Inductance: 3.5 mH (typical)
  • Holding Brake Torque: 10 Nm (static)
  • Brake Voltage: 24 VDC
  • Insulation Class: Class F (155°C)
  • Protection Rating: IP65 (with connector)
  • Shaft Type: Keyed shaft with flat
  • Connector: M23, 12-pin
  • Weight: Approximately 1.2 kg

Key Features:

  • Integrated holding brake — holds load without power
  • EnDat 2.2 absolute encoder — no homing required after power-up
  • High torque-to-inertia ratio — fast dynamic response
  • Corrosion-resistant coating on stator and housing
  • Optimized for S700 and AKD series drives

Material Composition:

  • Stator: Silicon steel laminations with epoxy coating
  • Rotor: Neodymium (NdFeB) permanent magnets
  • Housing: Aluminum alloy with anodized finish
  • Shaft: Stainless steel (17-4 PH)
  • Bearings: Sealed ball bearings (low friction, long life)

Applicable Industries:
Material handling, palletizers, pick-and-place robots, medical devices, food processing equipment.

Installation Requirements:

  • Align coupling with shaft tolerance of ±0.02 mm
  • Apply thread-locking compound on set screws
  • Ensure cable bend radius is not less than 5× cable diameter

Usage Notes:

  • Verify brake voltage (24 VDC) before energizing
  • Do not exceed maximum rated speed of 5000 RPM
  • Operating ambient temperature: 0°C to 40°C (derate above 40°C)

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