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Yaskawa SGM7A-10AFA61 Sigma-7 1kW Low-Inertia Servo Motor
| Place of Origin | USA |
| Brand Name | YASKAWA |
| Model Number | SGM7A-10AFA61 |
Product Overview
The Yaskawa SGM7A-10AFA61 is a 1 kW Sigma-7 low-inertia rotary servo motor intended for industrial motion axes requiring high acceleration, precise positioning and a compact mechanical envelope. It delivers a rated torque of 3.18 Nm at 3000 RPM and an instantaneous maximum torque of 11.1 Nm.
The motor is equipped with a 24-bit incremental serial encoder and a straight output shaft with key and threaded center hole. The final 61 configuration does not include a holding brake or oil seal.
Main Features
- 1 kW rated output for 200 VAC-class Sigma-7 systems.
- Low-inertia design for rapid mechanical response.
- Rated torque of 3.18 Nm and peak torque of 11.1 Nm.
- Rated speed of 3000 RPM and maximum speed of 6000 RPM.
- 24-bit incremental serial encoder.
- Straight output shaft with key and threaded center hole.
- 80 mm flange-class construction.
- IP67 protective structure under specified installation conditions.
Technical Specifications
| Manufacturer | Yaskawa Electric |
| Series | Sigma-7 SGM7A |
| Model | SGM7A-10AFA61 |
| Motor Type | Low-Inertia High-Speed Rotary Servo Motor |
| Power Supply Class | 200 VAC |
| Rated Output | 1 kW |
| Rated Current | 6.4 Arms |
| Instantaneous Maximum Current | 23.2 Arms |
| Rated Torque | 3.18 Nm |
| Instantaneous Maximum Torque | 11.1 Nm |
| Rated Motor Speed | 3000 RPM |
| Maximum Motor Speed | 6000 RPM |
| Encoder | 24-Bit Incremental Serial Encoder |
| Shaft End | Straight with Key and Tap |
| Holding Brake | Not Included |
| Oil Seal | Not Included |
| Flange Dimension | 80 mm |
| Shaft Diameter | 19 mm |
| Shaft Length | 40 mm |
| Approximate Dimensions | 80 * 94.7 * 162 mm |
| Approximate Motor Weight | 3.1 kg |
| Motor Moment of Inertia | 0.971 * 10⁻⁴ kg·m² |
| Protective Structure | IP67, Excluding Shaft Opening |
Compatible System and Applications
The SGM7A-10AFA61 is normally paired with a compatible Sigma-7 SERVOPACK in the SGD7S-120A capacity class. The motor should not be matched only by nominal kilowatt rating because the required SERVOPACK capacity also depends on peak current and the approved motor-drive combination.
Typical applications include high-speed packaging machines, printing systems, material-handling equipment, semiconductor machinery, electronic assembly lines, indexing tables, compact machine tools and robotic positioning mechanisms.
Maintenance and Replacement Notes
Verify the complete SGM7A-10AFA61 suffix, encoder type, shaft diameter, keyway, threaded center hole, flange and connector arrangement. A motor with a different encoder or mechanical suffix may require different cables, coupling components and parameter settings.
Confirm the SERVOPACK model, controller interface, firmware, motor parameter file, regenerative requirements, encoder cable, motor power cable and load-inertia ratio. The low-inertia rotor can produce rapid acceleration, but unsuitable tuning or excessive load inertia may cause vibration or positioning instability.
This model does not include a holding brake. Vertical axes and suspended loads require an independent mechanical holding arrangement.
Related Models
Related models include SGM7A-10AFA21 with a plain shaft, SGM7A-10AFA6C with a holding brake, SGM7A-10A7A61 with an absolute encoder and SGM7A-10A7A6C with an absolute encoder and holding brake.
Inquiry and Supply Notes
Please provide the complete motor nameplate, installed SERVOPACK model, controller interface, cable part numbers and photographs of the shaft and connectors. Availability, condition and supplied accessories must be confirmed for each quotation.
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