Kollmorgen 6SM56-S-3000

Product Name

Medium-Frame Synchronous Servo Motor

Product Description

The Kollmorgen 6SM56-S-3000 is a medium-frame brushless synchronous servo motor delivering robust torque output for industrial automation applications requiring durable performance.

Category:
Description
Technical Specifications
  • Motor Type: Brushless AC synchronous servo motor
  • Rated Power: 1.1 kW
  • Rated Speed: 3000 rpm
  • Standstill Torque: 3.6 Nm
  • Rated Torque: 3.5 Nm
  • Rated Current: 3.1 A
  • Peak Current: 12.4 A
  • Torque Constant: 1.33 Nm/A
  • Supply Voltage: 400 VAC
  • Protection Class: IP64/IP65
  • Insulation Class: Class F
  • Vibration Class: N per DIN ISO 2373
  • Operating Temperature: 0 °C to +40 °C
  • Weight: 8.0 kg
Functional Features
  • High torque-to-inertia ratio for dynamic performance
  • Low cogging design ensures smooth low-speed rotation
  • Heavy-duty construction withstands harsh industrial environments
  • Standard mounting interface for easy system integration
  • Constant torque output from standstill to rated speed
Application Scenarios
  • Machine tool feed drives
  • Material handling conveyors and hoists
  • Injection molding machine ejector drives
  • Woodworking machinery
  • General industrial automation systems
Performance Parameters
  • Peak torque: 10.5 Nm
  • Torque linearity: ±3% of rated value
  • Thermal time constant: 25 minutes
  • Speed range: 0 to 3000 rpm continuous
Material Composition
  • Stator: Optimized silicon steel lamination stack
  • Rotor: High-coercivity rare-earth permanent magnets
  • Housing: Cast aluminum alloy with cooling fins
  • Shaft: Hardened and ground alloy steel
  • Bearings: Heavy-duty deep groove ball bearings
Structural Features
  • 56 mm frame size with square mounting flange
  • Standard diameter keyed output shaft
  • Terminal box for power connection
  • Rear-mounted feedback device connector
Working Principle

The motor operates on the synchronous motor principle with sinusoidal back-EMF waveform. The servo drive supplies three-phase sinusoidal current to stator windings, creating a smoothly rotating magnetic field. The permanent magnet rotor follows this field synchronously, delivering constant torque across the operating speed range. The integrated feedback sensor provides rotor position information to the drive, which implements field-oriented control for optimal torque production and energy efficiency.

Installation Requirements
  • Mount on rigid machine frame structure
  • Align load coupling to minimize shaft misalignment
  • Connect protective earth conductor properly
  • Ensure ventilation openings remain unobstructed
Usage Notes
  • Do not overload motor beyond peak torque rating
  • Allow sufficient thermal dissipation under continuous duty
  • Inspect sealing elements periodically to maintain IP rating
  • Lubricate bearings at recommended service intervals
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