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Adopting a coreless structure, the motor completely eliminates cogging torque. This design solves the problem of speed fluctuations caused by cogging in traditional motors, enabling extremely smooth motion even at very low speeds, which is irreplaceable in scenarios demanding stable operation.
Equipped with a 24 - bit absolute encoder, it can achieve highly accurate indexing. Meanwhile, when matched with an amplifier, the amplifier can automatically recognize the motor and optimize parameters. It also has error checking function, which avoids motion loss caused by electrical interference and ensures the accuracy of motion control.
As a direct - drive motor, it can be directly connected to the load, eliminating the need for intermediate transmission components such as gearboxes and couplings. This not only gets rid of the backlash problem caused by mechanical transmission but also reduces the number of fault points. Moreover, there is no need for lubrication maintenance, which lowers the later operation and maintenance costs.
Thanks to its advantages of smooth operation and high - precision positioning, the SGM7E is widely used in many fields requiring refined motion control. Typical application scenarios include dial tables, transfer lines, die actuators, electronic component assembly equipment, and print registration systems. These scenarios all have strict requirements on motion stability and positioning accuracy, and the performance of the SGM7E can fully meet such operational needs.
The motor complies with multiple international standards and has obtained UL and cUL certifications (File No.: E165827) as well as CE certification. It can be used smoothly in various international markets and is highly compatible with YASKAWA's matching servo amplifiers, facilitating users to build a complete and stable servo control system.
| Parameter Categories | Specifications |
|---|---|
| Product Model Series | YASKAWA SGM7E Direct Drive Servo Motor (Σ-7 Series) |
| Motor Type | Coreless inner-rotor direct drive servo motor |
| Power Supply Voltage | 200V windings |
| Size Range (Outer Diameter) | 135 mm – 290 mm |
| Torque Performance | Rated torque: 2 N·m – 35 N·m; Peak torque: 6 N·m – 105 N·m |
| Maximum Speed | Up to 500 rpm |
| Encoder Type | 24-bit absolute encoder |
| Structural Design | Hollow-through shaft; Pre-tapped mounting holes |
| Cooling Method | Totally enclosed, self-cooling |
| Protection Level | IP42 |
| Compatibility | Fully compatible with YASKAWA matching servo amplifiers |
| Certifications | UL, cUL (File No.: E165827), CE |
| Key Performance Features | Cogging torque elimination; High-precision positioning; Maintenance-free; No backlash |
| Ratings | Model SGM7E- | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 02B | 05B | 07B | 04C | 10C | 14C | |||||||
| Rated Output | W | 42 | 105 | 147 | 84 | 209 | 293 | |||||
| Rated Torque | N·m | 2 | 5 | 7 | 4 | 10 | 14 | |||||
| Instantaneous Maximum Torque | N·m | 6 | 15 | 21 | 12 | 30 | 42 | |||||
| Stall Torque | N·m | 2.05 | 5.15 | 7.32 | 4.09 | 10.1 | 14.2 | |||||
| Rated Current | Arms | 1.8 | 1.7 | 1.4 | 2.2 | 2.2 | 2.8 | |||||
| Instantaneous Maximum Current | Arms | 5.4 | 5.1 | 4.1 | 7 | 7 | 8.3 | |||||
| Rated Motor Speed | min-1 | 200 | 200 | 200 | 200 | 200 | 200 | |||||
| Maximum Motor Speed | min-1 | 500 | 500 | 500 | 500 | 400 | 300 | |||||
| Torque Constant | N·m/Arms | 1.18 | 3.17 | 5.44 | 2.04 | 5.05 | 5.39 | |||||
| Motor Moment of Inertia | x10-4 kg·m2 | 28 | 51 | 77 | 77 | 140 | 220 | |||||
| Rated Power Rate | kW/s | 1.43 | 4.9 | 6.36 | 2.08 | 7.14 | 8.91 | |||||
| Rated Angular Acceleration Rate | rad/s2 | 710 | 980 | 910 | 520 | 710 | 640 | |||||
| Ratings | Model SGM7E- | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 08D | 17D | 25D | 16E | 35E | ||||||||
| Rated Output | W | 168 | 356 | 393 | 335 | 550 | ||||||
| Rated Torque | N·m | 8 | 17 | 25 | 16 | 35 | ||||||
| Instantaneous Maximum Torque | N·m | 24 | 51 | 75 | 48 | 105 | ||||||
| Stall Torque | N·m | 8.23 | 17.4 | 25.4 | 16.5 | 35.6 | ||||||
| Rated Current | Arms | 1.9 | 2.5 | 2.6 | 3.3 | 3.5 | ||||||
| Instantaneous Maximum Current | Arms | 5.6 | 7.5 | 8 | 9.4 | 10 | ||||||
| Rated Motor Speed | min-1 | 200 | 200 | 150 | 200 | 150 | ||||||
| Maximum Motor Speed | min-1 | 500 | 350 | 250 | 500 | 250 | ||||||
| Torque Constant | N·m/Arms | 5.1 | 7.79 | 10.8 | 5.58 | 11.1 | ||||||
| Motor Moment of Inertia | x10-4 kg·m2 | 285 | 510 | 750 | 930 | 1430 | ||||||
| Rated Power Rate | kW/s | 2.25 | 5.67 | 8.33 | 2.75 | 8.57 | ||||||
| Rated Angular Acceleration Rate | rad/s2 | 280 | 330 | 330 | 17 | 1270 | ||||||
Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.
The coreless design completely eliminates cogging torque, solving the speed fluctuation problems common in traditional motors. This allows for extremely smooth motion even at ultra-low speeds.
The SGM7E is equipped with a 24-bit absolute encoder for precise indexing. When paired with a matching YASKAWA amplifier, the system automatically optimizes parameters and provides error checking to prevent motion loss from electrical interference.
No. Because it is a direct-drive motor that connects directly to the load, it eliminates transmission parts like gearboxes and couplings. This removes backlash and eliminates the need for lubrication, making it virtually maintenance-free.
It is widely used in high-precision, low-fluctuation applications such as dial tables, transfer lines, die actuators, electronic component assembly equipment, and print registration systems.
The motor is certified to international standards, complying with UL and cUL (File No. E165827) and CE requirements, making it ready for global markets.
The SGM7E features an IP42 protection rating and uses a totally enclosed, self-cooling structural design.
