Rexroth MKD041B-144-KG1-KN

  • Product Name: MKD Series Synchronous Servo Motor
  • Product Introduction: Compact Indramat-era (Bosch Rexroth) AC servo motor with integrated brake and resolver feedback, designed for precision automation.
Category:
Description
  • Technical Specifications:
    • Frame: 041 (approx 82 mm flange).
    • Length: B (medium).
    • Standstill Torque: 2.7 Nm continuous.
    • Peak Torque: ~11.3 Nm.
    • Max Speed: 7500 rpm.
    • Current: 7.5 A cont. (60K), 34 A peak.
    • Winding: 144 code.
    • Brake: Integrated holding brake (2.2 Nm holding).
    • Feedback: Resolver with integrated encoder (absolute >4096 revs, or digital servo feedback depending on “K” decode).
  • Functional Features: IP65 sealed, natural cooling, low rotor inertia (1.7×10⁻⁴ kgm²) for high acceleration, side B connection direction, plain shaft with seal.
  • Application Scenarios: Pick-and-place modules, rotary index tables, small CNC axes, lab automation stages, packaging grippers.
  • Performance Parameters: Insulation class F, operating temp approx -20°C to +40/60°C, winding resistance ~1.8 ohm.
  • Material/Structure: Aluminum housing with stator lamination stack, permanent magnet rotor, IP65 shaft seal, terminal box or connector (KG1 indicates connection/encoder variant).
  • Working Principle: Drive supplies 3-phase PWM voltage; resolver provides rotor angle feedback for commutation; brake releases with DC voltage; motor produces torque linearly proportional to q-axis current.
  • Installation Requirements: Flange mount to machine; align coupling to avoid side load; brake wiring separate from power; route resolver cable shielded and grounded at one end.
  • Usage Notes: Brake is holding-only (not for active stopping); motor is legacy—check compatibility with modern IndraDrive firmware; avoid exceeding peak current duration; ensure ventilation if enclosed; resolver alignment critical—do not disconnect while powered.
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