6SM 47L-3.000-G Kollmorgen
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The Kollmorgen 6SM 47L-3.000-G is part of the 6SM Synchronous Servo Motors series and features a rated power of 0.69 kW with a rated speed of 3000 rpm. This servo motor provides a standstill torque of 3 Nm, rated torque of 2.2 Nm, and can handle axial and radial loads of 90 N and 270 N, respectively. It operates with a rated current of 2 A and has a peak current of 9 A.
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Product Description:
The 6SM 47L-3.000-G belongs to the 6SM Synchronous Servo Motors series produced by Kollmorgen. This compact permanent-magnet servo motor converts drive commands from a matched amplifier into precise rotary motion. Its controlled response supports positioning tables, pick-and-place heads, and other automation axes that require accurate speed and torque regulation.
During continuous operation, the motor delivers 0.69 kW of mechanical output while turning at a nominal speed of 3000 rpm. The shaft produces a rated torque of 2.2 Nm with a rated winding current of 2 A. Dynamic movements are supported by a peak current capability of 9 A, and the torque constant is 1.33 Nm/A. Electrical response is influenced by a phase resistance of 11 Ω and a phase inductance of 25 mH, which affect current rise time and drive tuning. At standstill, the motor can hold 3 Nm, while its static friction torque is limited to 0.05 Nm to support smooth startup. Heat generated during operation dissipates over a thermal time constant of 15 min, helping the windings remain within their permitted temperature range during cyclic operation.
The motor uses an IM B5 flange pattern and supports V1 and V3 mounting orientations, allowing direct attachment to gearboxes or machine frames. The shaft and bearings tolerate an axial thrust of 90 N, enabling the assembly to withstand moderate forces applied along the shaft axis. The permitted radial load is 270 N, providing support for belt tension or pinion forces without placing excessive stress on the bearings. A rotor inertia of 1.6 kgcm² supports quick acceleration while maintaining stable rotation at the commanded speed. The compact housing makes the motor suitable for installation where available machine space is limited. Proper alignment of the flange, coupling, and driven load helps prevent unnecessary bearing stress during continuous operation.
