Rexroth MKD071B-061-KG1-KN

Product Name: MKD Series Synchronous Servo Motor
Product Introduction: Mid-size synchronous servo motor from Rexroth MKD family, offering higher torque than MKD041, with brake and resolver feedback for robust industrial use.

Category: Others

Description

Technical Specifications:
- Frame: 071 (flange ~115 mm, centering 95 mm).
- Length: B.
- Standstill Torque: 8.0 Nm continuous.
- Peak Torque: ~32 Nm.
- Rated Current: ~7.7–13.2 A (variant dependent).
- Speed: Up to 6000 rpm.
- Brake: Integrated holding brake (~5 Nm).
- Feedback: Resolver with absolute detection (>4096 revs) or digital feedback (KG1 denotes config).
- Winding: 061.
Functional Features: IP65 protection, natural convection, rotatable connector (240° adjustment in some variants), high reliability (>40k hr design life), compatible with IndraDrive / ctrlX Drive.
Application Scenarios: CNC feed axes, robotic arm links, printing cylinder drives, assembly press slides, packaging forming stations.
Performance Parameters: Efficiency ~94%, insulation class F, operating temp -20°C to +40/60°C, weight ~8.8–18 kg depending on brake/flange.
Material/Structure: Rugged aluminum/cast shell, sealed end bells, shaft with seal (plain or keyed per G1 decode), connection box side B.
Working Principle: Same PMSM principle: drive synthesizes rotating field, resolver feeds position/speed, brake holds load when de-energized, torque controlled via current loop closed by drive.
Installation Requirements: Mount on rigid flange; use anti-rotation key if shaft has keyway; separate motor power and feedback cables; ensure PE ground; verify brake supply (typically 24 VDC) fused correctly.
Usage Notes: Legacy series—verify spare/alternative (MS2N) migration path; do not use brake for continuous slip; monitor motor temperature in enclosed cabinets; resolver cables must be shielded twisted pair; avoid mechanical impacts on shaft/seal; periodic check of brake pad wear if safety-critical.

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