Description
Technical Specifications (per public listings):
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Series: 6SM synchronous servo motor
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Model: 6SM37L‑4.000
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Rated power: 0.5 kW
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Standstill (holding) torque: 1.5 N·m
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Rated current: ≈1.5 A (some sources 1.6 A)
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Rated speed: 4000 rpm
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Protection class: IP64
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Weight: ≈2.9 kg
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Thermal limit (flange temp): ≤65 °C in continuous operation
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Built‑in feedback: Resolver + thermal sensor (thermostat)
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Cooling: Self‑cooled (provide adequate airflow)
Features:
High‑dynamic brushless design; resolver feedback for precise positioning; integral thermostat for thermal protection.
Application Scenarios:
Small‑to‑medium axis drives in packaging machines, pick‑and‑place units, auxiliary CNC axes, and laboratory automation.
Construction & Material:
Aluminum alloy housing, IP64 sealed; permanent‑magnet rotor; resolver mounted on rear.
Working Principle:
Three‑phase sinusoidal currents in the stator interact with the permanent‑magnet rotor to produce torque; rotor position is fed back via resolver for closed‑loop commutation.
Installation Requirements:
Flange‑mount per 6SM series; align shaft coupling without imposing excessive axial/radial load; wire resolver with shielded twisted pair; connect thermostat to drive thermal input; ensure airflow around motor.
Precautions:
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Discontinued—keep spare/refurbished units.
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Thermostat must be monitored by the amplifier; it is not a standalone overload protector.
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Avoid blocking ventilation; keep flange temperature below 65 °C.
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Use shielded motor cables; separate power and signal wiring to reduce EMI.
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Only operate with a properly matched servo amplifier (e.g., Kollmorgen Servostar).
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