YASKAWA SGM7A series belongs to the Sigma-7 family of AC servo motors designed for high-response motion control in industrial automation. The YASKAWA SGM7A-10A6A6E is commonly selected for applications that need stable torque delivery, accurate speed control, and smooth positioning across repeated duty cycles—especially when paired with compatible Sigma-7 servo drives. In production environments, servo motors are rarely judged by “peak performance” alone; they are judged by how consistently they hold accuracy when the line is hot, the machine is vibrating, and the motion profile is changing every few seconds. The SGM7A platform is built for that kind of reality.
From an engineering perspective, a servo motor is part of a closed-loop control system: the drive commands current, the motor generates torque, and feedback signals allow the controller to correct error in real time. When that loop is tuned well, the result is fast settling, minimal overshoot, and strong disturbance rejection. The SGM7A series is widely used because it supports this closed-loop behavior in a compact, industrial form factor that integrates cleanly into automation cabinets and machine frames. For builders and maintenance teams, that usually means faster commissioning, predictable replacement practices, and a motor family that is easy to standardize across multiple machine models.
The SGM7A-10A6A6E is appropriate for equipment where motion quality directly affects yield—such as pick-and-place stations, indexing tables, electronic assembly fixtures, labeling and packaging axes, and general material handling. In these systems, the servo motor must accelerate and decelerate repeatedly without introducing mechanical shock. Smoothness matters because vibration shows up as positioning error, tool chatter, or unstable product handling. A well-matched Sigma-7 motor and drive combination can help maintain controlled acceleration ramps and stable speed regulation, which can reduce mechanical wear over long operating periods.
Another practical advantage of choosing an established servo family is lifecycle management. Plants often keep spare motors on hand, and maintenance teams prefer parts that are easy to identify and verify. With YASKAWA motors, the model code is a key identifier for compatibility planning, and the SGM7A series is typically treated as an industrial standard in many regions. When downtime is expensive, using a known servo motor family can reduce troubleshooting time because documentation, parameter references, and field experience are easier to find and reuse.
This motor is also a solid fit for OEMs who need a balance between performance and integration. Mechanical integration is usually straightforward when the servo motor’s dimensions and mounting style align with common machine designs. Electrically, a servo motor must match the drive’s rated output and feedback interface, and it must be installed with appropriate cabling, grounding, and environmental considerations. In real installations, reliability often depends on details like connector seating, strain relief, correct shielding practices, and keeping cables separated from high-noise power lines. When these basics are done well, a Sigma-7 motor can deliver stable motion control for years under demanding cycles.
Below is a structured overview and a practical selection guide for the YASKAWA SGM7A-10A6A6E.
Product Summary Table
| Item | Details |
|---|---|
| Brand | YASKAWA |
| Series / Family | SGM7A (Sigma-7 AC Servo Motor) |
| Model | SGM7A-10A6A6E |
| Product Type | AC Servo Motor |
| Typical Use | Precision speed and position control in industrial automation |
| System Pairing | Designed to operate with compatible Sigma-7 servo drives |
| Control Concept | Closed-loop motion system with drive + feedback for real-time correction |
| Key Benefits | Stable torque output, responsive motion, smooth positioning, repeatable performance |
| Common Industries | Packaging, assembly, material handling, electronics, general machinery |
| Typical Motion Tasks | Indexing, pick-and-place, conveyor synchronization, feeders, rotating axes |
| Installation Notes | Proper grounding, shielding, cable routing, and mechanical alignment are critical |
Where the SGM7A-10A6A6E Fits Best
1) Packaging and converting machines
Packaging lines often demand quick acceleration with controlled deceleration to avoid product slip or misregistration. A servo motor in this role must follow motion profiles tightly while keeping vibration low. When the motion is stable, sealing quality improves, label alignment becomes more consistent, and the machine can run at higher throughput with fewer rejects.
2) Assembly automation and indexing
Index tables and assembly fixtures depend on repeatability. A motor that settles quickly helps reduce cycle time because the process can begin sooner after the axis reaches position. In higher-precision assembly, even small oscillations after a move can create problems, so a motor/drive combination that supports clean, well-damped behavior is valuable.
3) Material handling and synchronized axes
In synchronized conveyors, gantries, and transfer units, consistency matters more than brute force. When multiple axes must stay aligned, stable servo response helps keep the system coordinated, reducing the risk of jams, collisions, or mispicks.
Selection and Compatibility Guidance (Practical)
A servo motor is not a standalone purchase; it is a matched component in a motion system. When specifying SGM7A-10A6A6E, these checks typically prevent expensive mistakes:
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Drive compatibility: Confirm the motor is supported by the intended Sigma-7 servo drive model and that the drive’s rated output matches the motor’s requirements.
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Feedback and cabling: Servo motors rely on feedback signals. Ensure the feedback interface and cable type match the drive and controller environment.
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Mechanical fit: Verify mounting pattern, shaft coupling requirements, and any brake or seal considerations (if the machine design needs them).
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Environment: Consider ambient temperature, enclosure design, vibration, and contamination. Even a high-quality servo motor can fail early if exposed to coolant mist, abrasive dust, or poor ventilation without proper protection.
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Motion profile realism: Review inertia ratio, acceleration demands, and duty cycle. Motors perform best when the load inertia and operating cycle are within recommended ranges for stable control and manageable heating.
Reliability, Maintenance, and Best Practices
Long service life is usually achieved through predictable fundamentals:
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Alignment and coupling quality: Misalignment adds bearing load and increases vibration, which shows up as noise, heat, and premature wear.
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Cable discipline: Use correct shielding and grounding methods, avoid tight bend radii, and keep signal cables separated from power conductors where possible.
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Thermal management: Keep airflow clear and avoid installing the motor in a heat pocket near braking resistors or high-loss drive components.
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Parameter management: If the motor is replaced, ensure parameters are confirmed or restored so the drive’s tuning and protective limits remain correct for the axis.
Why Buyers Choose This Model
For many factories and OEMs, the decision to use a Sigma-7 motor like SGM7A-10A6A6E is less about chasing a theoretical maximum specification and more about achieving predictable production outcomes: repeatability, stable motion, easier commissioning, and a parts strategy that reduces downtime risk. When a motion system is tuned and installed correctly, the servo motor becomes “boringly reliable,” which is exactly what you want in industrial automation.
