Siemens 6SM37L-4 1FT5 Permanent Magnet Servo Motor

Product Brief Introduction The 6SM37L-4 is a 1FT5 series permanent magnet synchronous servo motor. It delivers precise speed and position control for industrial motion applications, with high dynamic response and compact construction.
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Technical Specifications

Frame size: 37. Rated speed: 3000rpm. Rated power: 0.25kW. Peak torque: 2.4Nm. Voltage class: 240V AC. Feedback: resolver. Protection rating: IP65. Operating temperature range: 0°C to +40°C.

Functional Features

Permanent magnet design delivers high torque density. Low inertia rotor for fast acceleration. Resolver feedback for robust position sensing. Smooth low-cogging operation. Sealed housing for industrial environments.

Application Scenarios

It applies to precision positioning systems, packaging machinery, material handling, assembly equipment and general industrial motion control.

Performance Parameters

Rated torque: 0.8Nm @ 3000rpm. Peak torque: 2.4Nm. Maximum speed: 4500rpm. Torque constant: 0.8Nm/A. Mechanical time constant: 2ms. Operating temperature range: 0°C to +40°C.

Material Composition

Housing: anodized aluminum. Rotor: rare-earth permanent magnets. Shaft: hardened steel. Bearings: sealed ball bearings. Resolver: inductive position sensor.

Structural Characteristics

It features cylindrical frame, keyed output shaft, rear resolver compartment, power and signal connectors, and flange mounting face.

Working Principle

The servo drive supplies variable-frequency 3-phase AC to the stator, creating a rotating magnetic field that interacts with rotor magnets to produce torque. The resolver feeds back rotor position for closed-loop control.

Installation Requirements

Mount via flange with specified torque. Align shaft with load. Use flexible coupling. Connect power and feedback cables. Connect PE ground.




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