Kollmorgen 6SM77K-3000

Product Name: 6SM77K-3000 Synchronous Servo Motor (Seidel 6SM Series, Kollmorgen Europe)

Product Description: Brushless permanent magnet AC synchronous servo motor with compact 77mm frame design, optimized for medium-duty automation positioning and motion control applications. Delivers 2.7kW rated power with balanced torque and speed performance, paired with Kollmorgen servo drives for complete motion control solutions.

Category:
Description
Technical Specifications:
  • Motor Type: 3-phase, 6-pole brushless permanent magnet synchronous servo motor
  • Rated Power: 2.7 kW
  • Rated Speed: 3000 RPM
  • Continuous Torque: 3.0 Nm
  • Peak Torque: 9.0 Nm
  • Voltage Constant: 112 mV/kRPM
  • Winding Resistance: 1.65 Ω
  • Peak Current: 32 A
  • Stationary Torque: 14.0 Nm
  • Operating Temperature Range: -20°C to +70°C
  • Protection Class: IP64
  • Weight: 14.2 kg
  • Mounting Type: Through-hole mounting
  • Aging Drift: ±5 ppm/year

    Functional Features:

  • High torque density and power density in compact frame size
  • Ultra-low cogging effect and low harmonic distortion for smooth operation
  • Plug-and-play motor identification function with Kollmorgen AKD/AKDm series servo drives
  • Full automatic tuning capability on compatible drives
  • Multiple feedback device options and accessory configurations
  • Wide range of standard winding voltage options (75 VDC; 120, 240, 480 VAC)

    Application Scenarios:

  • Material handling systems and indexing conveyors
  • Medium-duty positioning axes in automation machinery
  • CNC machine tools
  • Robotics and automated assembly equipment
  • Printing and textile machinery
  • Medical equipment motion control

    Material Composition:

  • Housing: High-strength aluminum alloy housing with black corrosion-resistant coating
  • Stator: Laminated silicon steel core with copper windings
  • Rotor: High-performance neodymium iron boron permanent magnet structure
  • Shaft: High-carbon alloy steel, precision machined
  • Sealing: Industrial-grade rubber seals for IP64 protection

    Structural Characteristics:

  • Compact 77mm frame form factor with integrated mounting flange
  • Integrated feedback device receptacle on rear housing
  • Precision-ground shaft with standard tolerance for coupling compatibility
  • Finned housing design for natural convection cooling

    Working Principle:

    Operates on the principle of electromagnetic interaction between the stator’s rotating magnetic field and the rotor’s permanent magnetic field. The stator windings receive 3-phase AC power from the servo drive, generating a rotating magnetic field that pulls the permanent magnet rotor into synchronous rotation. The drive adjusts current frequency and amplitude to control speed, torque, and position with high precision via closed-loop feedback from the encoder or resolver.

    Installation Requirements:

  • Mount on rigid, flat mounting surfaces with sufficient mechanical strength to absorb vibration
  • Align shaft with driven load using flexible coupling to avoid radial and axial stress
  • Ensure adequate clearance around motor housing for natural convection cooling
  • Connect power and feedback cables according to Kollmorgen wiring specifications, with proper shielding for EMC compliance
  • Torque mounting fasteners to manufacturer-specified values

    Usage Precautions:

  • Do not operate the motor beyond rated speed, torque, or temperature limits
  • Avoid exposure to corrosive gases, liquids, or excessive dust beyond IP64 rating
  • Periodically inspect shaft seals and cable connections for wear or damage
  • Do not disassemble the motor or alter internal components, as this will void warranty and compromise safety
  • Ensure proper grounding to prevent electrical shock and electromagnetic interference
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