Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 6SM57M-3.000 |
| Manufacturer | Kollmorgen / Seidel |
| Product Series | 6SM |
| Product Type | AC synchronous servo motor |
| Motor Technology | Brushless permanent-magnet |
| Phase Configuration | Three-phase |
| Nominal Speed | 3,000 RPM |
| Rated Output Power | Approximately 1.1–1.4 kW; listings conflict |
| Rated Torque | Approximately 3.5 Nm in one supplier specification |
| Standstill Torque | Approximately 4.5 Nm reported |
| Rated Current | Approximately 3.0–4.3 A, depending on specification |
| Feedback | Resolver reported; verify installed feedback configuration |
| Winding Insulation | Class F reported in supplier documentation |
| Protection Rating | IP64 reported; optional configurations may differ |
| Motor Cooling | Confirm against nameplate and original documentation |
| Supply | Compatible three-phase servo amplifier required |
| Operating Speed | Confirm permitted speed range with the selected drive |
| Weight | Approximately 5.8 kg reported by one supplier; verify actual configuration |
Specification caution: Available supplier descriptions do not agree on rated power, torque, and current. These values should not be treated as a verified factory specification. The motor nameplate and original Kollmorgen technical documentation take precedence.
Product Introduction
Kollmorgen 6SM57M-3.000 Servo Motor
The Kollmorgen 6SM57M-3.000 is a synchronous servo motor intended for industrial motion systems requiring controlled rotational movement. Its permanent-magnet rotor and brushless construction support closed-loop operation with a compatible servo amplifier and feedback system.
6SM57M-3.000
The motor can be considered for machine-tool axes, automated positioning equipment, and other precision motion applications. Correct selection depends on matching the motor’s winding characteristics, feedback device, mechanical mounting, and load requirements to the installed drive.
Application Scenarios & Field Pitfalls
The 6SM57M-3.000 is relevant to motion-control systems where motor response and feedback accuracy directly affect machine positioning. In replacement work, matching the nominal speed alone is insufficient. Differences in winding data, resolver wiring, shaft dimensions, and drive parameters can cause commissioning failures even when the replacement motor appears mechanically similar.
Typical applications
- CNC machinery: Servo-driven feed axes and positioning mechanisms.
- Industrial robotics: Controlled rotary movement in compatible motion assemblies.
- Automated production equipment: Indexing, transfer, and synchronized machine movement.
- Precision positioning systems: Closed-loop rotational control using compatible feedback hardware.
Engineering checks before installation
- Verify the nameplate ratings. Confirm rated voltage, current, torque, power, and speed. Do not select the motor using third-party catalog figures alone.
- Match the servo amplifier. Check winding resistance, inductance, rated current, peak current, and back-EMF characteristics against the drive specifications.
- Identify the feedback device. Confirm resolver type, excitation requirements, connector pinout, and feedback cable compatibility.
- Inspect mechanical dimensions. Compare shaft diameter, keyway, flange, mounting holes, and shaft extension with the existing motor.
- Check brake configuration. Do not assume a holding brake is included in the base model. Verify the complete suffix and nameplate.
- Review thermal protection. Confirm the temperature sensor type and its compatibility with the drive’s motor-protection input.
- Perform controlled commissioning. Check phase wiring, feedback polarity, motor rotation direction, and current limits at low speed before applying the normal operating load.
Related Products
| Model | Function Difference | Potential Application |
|---|---|---|
| 6SM37M-3.000 | Smaller 6SM frame-size motor | Lower mechanical power or torque requirements |
| 6SM57M-3.000-G | Related motor designation with a suffix configuration requiring verification | Applications where the exact motor option must be matched |
| 6SM57L-3.000 | Different 6SM motor configuration | Alternative winding or stack-length requirements; verify specifications |
| 6SM87M-3.000 | Larger-frame 6SM family motor | Applications requiring a different torque and mounting envelope |
| SERVOSTAR 300 | Servo amplifier family rather than a motor | Compatible closed-loop motor control, subject to electrical matching |
| SERVOSTAR 600 | Digital servo amplifier family | Motion-control system integration |
| AKD | Kollmorgen digital servo drive family | Modern drive-system applications after motor compatibility review |
These are related product-family references, not confirmed plug-in replacements. Drive selection and motor substitution require electrical, mechanical, and feedback compatibility checks.
Procurement note: Request a photograph of the complete motor nameplate, feedback connector, power connector, shaft, and mounting flange. If the existing unit has a brake or special feedback option, include that information in the purchase specification. For a legacy 6SM motor, a verified electrical and mechanical match is more important than matching the 3,000 RPM designation alone.
