6SM 37S-6.000 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen 6SM 37S-6.000 is a synchronous servo motor from the 6SM Synchronous Servo Motors series with a rated power output of 0.25 kW and a rated speed of 6000 rpm. It offers a rated torque of 0.4 Nm, peak current of 4.0 A, and weighs 1.9 kilograms. The motor is designed to handle an axial load of 90 newtons and a radial load of 270 newtons.
Internal Product Review
The 6SM 37S-6.000 is a Kollmorgen synchronous servo motor with 0.25 kW rated power and 6000 rpm rated speed. Rated torque of 0.4 Nm and standstill torque of 0.5 Nm give the motor very capable control authority in precise motion applications. Low rotor inertia of 0.45 kgcm² makes the motor an excellent choice for responsive servo performance.
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Product Description:
The 6SM 37S-6.000 is a synchronous servo motor manufactured by Kollmorgen for the 6SM Synchronous Servo Motors series. As a compact rotary actuator, it converts drive current from a matched amplifier into precise mechanical motion. The motor is suitable for positioning tables, feeders, and light pick-and-place axes in industrial automation.
This model delivers a rated mechanical output of 0.25 kW while drawing a continuous phase current of 0.95 A. When rapid acceleration is required, the drive may supply up to 4.0 A of peak current so the motor can overcome frictional and inertial loads. Shaft speed reaches 6000 rpm at the nominal operating point, and the electromagnetic design produces a steady torque of 0.4 Nm at that speed. The generated back EMF increases in proportion to speed at 30 V/1000 rpm, and the control drive uses this value to calculate voltage demand. The torque constant is 0.5 Nm/A, indicating that each ampere of current produces half a newton-meter of torque. Copper losses are limited by a winding resistance of 36 Ω, while the 32 mH inductance controls the current rise time for stable servo loops. A thermal time constant of 10 minutes indicates how quickly the stator windings heat under load.
The dynamic response is aided by a rotor inertia of 0.45 kg·cm², allowing fast changes in velocity without excessive overshoot. Static holding requirements are supported by a standstill torque of 0.5 Nm at a standstill current of 1 A. The radial bearings support loads up to 270 N, while the axial bearings support loads up to 90 N, permitting direct attachment to an appropriate pulley or coupling. The coil inductance of 32 mH also acts as an electrical filter that reduces torque ripple at low speeds. The motor has a mass of 1.9 kg, which reduces the load placed on small gantries during installation and operation. The winding reaches a stable operating temperature through passive heat dissipation because of its modest thermal load, eliminating the need for active cooling under rated conditions.
