Description
Precision motion control systems require highly reliable and dynamic execution, which the Delta Electronics ECMA-FA1845RS delivers with exceptional torque density and feedback resolution. Operating on a 220V rated voltage, this AC servo motor features a large 180mm frame size and provides a rated power output of 4500W at a rated speed of 1500 rpm. It is engineered for heavy-duty industrial environments, utilizing a high-resolution absolute encoder (17-bit single-cycle and 16-bit multi-cycle) to secure stable, precise positioning loops and smooth speed control.
The mechanical configuration of the ECMA-FA1845RS includes a standard keyway shaft with fixed screw holes and a built-in oil seal to protect the motor internal winding and bearing system from industrial contaminants. This model is configured without a brake, allowing for direct-drive dynamics and minimal rotational inertia. It integrates seamlessly into automated machinery platforms controlled by Delta ASD-A2 or ASD-B2 series servo drives.
Features
- High-resolution absolute encoder with 17-bit single-cycle and 16-bit multi-cycle resolution.
- Robust 180mm frame size designed for high-capacity industrial applications.
- Keyway shaft configuration featuring fixed screw holes for secure mechanical coupling.
- Integrated industrial-grade oil seal for protection against liquid and dust ingress.
- Brakeless design optimized for high acceleration rates and rapid system response.
- Excellent mechanical and electrical constants ensuring energy-efficient performance.
Applications
- Heavy industrial CNC machining centers and milling machines.
- High-speed packaging and filling equipment.
- Automated material handling and gantry positioning systems.
- Metal forming, cutting, and bending machinery.
- High-precision printing and textile production lines.
Technical Specifications
| Manufacturer |
Delta Electronics |
| Model/Part Number |
ECMA-FA1845RS |
| Servo Type |
AC Servo Motor |
| Rated Power Output |
4500W (4.5 kW) |
| Rated Voltage |
220V |
| Rated Speed |
1500 rpm |
| Rated Torque |
28.65 N-m |
| Rated Current |
32.5 A |
| Encoder Type |
Absolute (17-bit single-cycle / 16-bit multi-cycle) |
| Motor Frame Size |
180 mm |
| Shaft Type |
Keyway (with fixed screw holes), without brake |
| Oil Seal |
Yes |
| Motor Resistance |
0.032 Ohm |
| Mechanical Constant |
0.92 ms |
| Electrical Constant |
27.8 ms |
| Power Rating |
105.5 kW/s |
| Dimensions (L x W x H) |
18 cm x 36 cm x 18 cm |
| Weight |
29 kg |
Installation Guidelines
To ensure optimal performance and long service life of the ECMA-FA1845RS servo motor, follow these engineering practices:
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Shaft Alignment: Ensure precise radial and axial alignment of the motor shaft with the machine coupling to prevent premature bearing failure.
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Oil Seal Protection: Verify that the oil seal is properly lubricated during commissioning. Avoid running the seal completely dry to prevent thermal damage.
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Ventilation & Mounting: Install the motor in a well-ventilated location. If mounted inside an enclosed frame, verify that the ambient operating temperature does not exceed standard limits.
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Wiring and Grounding: Ensure the motor frame is solidly grounded to the machine chassis to eliminate electromagnetic interference (EMI) issues with encoder signals. Use shielded power and encoder cables.