Product Short Description
Product Name: 6SM series synchronous servo motor, frame 56, S-stack, 3000 rpm
Product Introduction: Mid-frame brushless servo motor balancing 1.1 kW continuous output with 3.6 Nm standstill torque for general machine-tool and automation axes.
Technical Specifications:
- Rated power: 1.1 kW
Description
- Rated speed: 3000 rpm
- Rated torque: ~3.5 Nm, standstill torque 3.6 Nm (some docs list 3.0 Nm rated)
- Rated current: 2.8–3.1 A rms, peak 12.4 A
- Torque constant: 1.33 Nm/A, back-EMF 114 mV/min
- Voltage constant: 81 mV/min line (varies by winding doc)
- Resistance: 6.3 Ω, inductance 35 mH
- Poles: 6, resolver feedback
- Protection: IP64, Class F
- Weight: ~5–6 kg depending on brake/encoder
Functional Features: Smooth low-speed torque, resolver or encoder options, natural convection cooling, high inertia match for belt-driven axes.
Application Scenarios: CNC feed axes, rotary tables, filling machine turrets, printing cylinder drives, robot shoulder joints.
Working Principle: Standard 3-phase PM synchronous operation with closed-loop resolver commutation; 3000 rpm rated allows direct drive or low-ratio gearbox.
Installation Requirements: IEC 56 flange, keyed shaft 14 mm typical, separate routed power and feedback connectors, thermostat wired to amplifier.
Usage Notes: Do not run at 3000 rpm continuous if ambient >40 °C without derating; resolver alignment critical on rebuild; compatible with 400 V-class drives.
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