KOLLMORGEN 6SM57M-3.000

Product Series: AKM2G / AKM Servo Motor Family

Product Introduction:
The Kollmorgen 6SM57M-3.000 is a high-torque brushless servo motor from the AKM series, designed for precision motion control in industrial automation, robotics, and CNC applications. It features an integrated resolver feedback and IP65-rated housing for harsh environments.

Category:
Description

Technical Specifications:

Parameter Value
Order Number 6SM57M-3.000
Motor Frame 57 mm (NEMA 23 equivalent)
Continuous Torque 3.0 Nm
Peak Torque 9.0 Nm (3× continuous)
Rated Speed 3000 RPM (max)
Rated Power 0.94 kW (continuous)
Voltage (DC Bus) 48 VDC to 325 VDC
Feedback Device Resolver (sin/cos, 12-bit)
Encoder Resolution 2048 lines/rev (incremental)
Insulation Class F (155°C)
Protection Rating IP65 (with connector)
Cooling Forced air (internal fan)
Weight 1.8 kg (approx.)
Shaft Diameter 14 mm (with keyway)
Bearing Type Ball bearings (sealed)
Operating Temperature -10°C to +40°C
Certifications CE, UL, CSA, RoHS

Functional Features:

  • Integrated resolver — no external encoder needed
  • Low cogging torque for smooth low-speed operation
  • High overload capacity (300% peak for 1 second)
  • Compatible with AKD / AKM2G servo drives
  • Sin/Cos resolver output for high-noise immunity

Key Advantages:

  • IP65 rating enables use in washdown and dusty environments
  • 3:1 peak-to-continuous torque ratio for dynamic applications
  • Integrated feedback reduces wiring and installation cost

Applicable Industries: CNC Machining, Robotics, Packaging, Printing, Semiconductor, Medical Devices

Installation Requirements:

  • Mount with M4 threaded holes on flange (4× M4)
  • Use flexible coupling with max 0.05 mm misalignment
  • Connect resolver cable: 6-pin M23 connector (shielded)
  • Ensure adequate airflow — minimum 100 mm clearance around motor body

Precautions:

  • Do not exceed 325 VDC bus voltage
  • Verify resolver cable pinout matches AKD drive (pins 1–6: Exc+, Exc−, Sin+, Sin−, Cos+, Cos−)
  • Do not disassemble motor — resolver calibration is factory-set
  • Use Kollmorgen Workbench or AKD Setup Tool for tuning
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