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Kollmorgen B-206-B-21

  • Product Name: Goldline B Series AC Brushless Servo Motor
  • Product Introduction: Low-inertia permanent magnet brushless servo motor designed for rapid acceleration/deceleration applications. Frame size 20 (B-206 indicates size 20, stack length 6). Compatible with 230 VAC line power.

Detailed content

  • Technical Specifications:
    • Frame Size: 20 (92×92 mm flange NEMA/Metric)
    • Rated Output Power: 1.8 kW (2.5 HP)
    • Supply Voltage: 230 VAC
    • Stall Torque: 6.62 Nm (58.56 lb-in at 25 °C)
    • Peak Torque: 14.7 Nm
    • Rated Current: 5.8 A RMS
    • Rotational Speed: 2800 rpm
    • Moment of Inertia: 2.512 kg.cm²
    • Max DC Bus: 320 VDC
    • Insulation: Class H
    • Protection: IP65
    • Feedback: Pre-assembled resolver (standard), encoder optional
    • Shaft: Open keyway, FKM fluoroelastomer seal, rear shaft extension
    • Thermostat: Built-in
    • Connector: Bayonet (without mating plug)
  • Functional Features:
    • Extremely low rotor inertia for dynamic response.
    • Class H insulation for high-temperature endurance.
    • Built-in thermostat for overtemperature protection.
    • IP65 sealing against dust/liquid ingress.
    • Compatible with Goldline gearheads, brakes (24/90 VDC fail-safe).
  • Application Scenarios: Rapid pick-and-place robots, CNC axis drives, printing roller drives, packaging machinery, web handling with inertia mismatch tolerance.
  • Structural & Material Characteristics:
    • Material: Laminated steel stator, rare-earth magnet rotor, aluminum alloy housing.
    • Dimensions: 92×92 mm flange, stack length variant 6.
    • Sealing: FKM shaft seal, IP65 rated enclosure.
    • Mounting: Flange mount with through-holes.
  • Working Principle: Permanent magnet rotor synchronized by electronic commutator (drive); resolver provides absolute position feedback for phase advance; torque produced via Lorentz force interaction.
  • Installation Requirements: Flange mount on machine frame; align coupling to avoid side loads; shield feedback cable separately from power cables; ensure bayonet connector secured.
  • Usage Precautions: Do not exceed 320 VDC bus; stall torque time limited by thermal capacity; Class H insulation withstands heat but prolonged overload degrades magnets; IP65 requires intact shaft seal; resolver wiring must match drive pinout; brake option requires 24/90 VDC control.

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