United Motion Inc. is the authorized distributor of Oli Motions Control in North America.
Oli’s M series servo motors cover 24-72VDC and 200-240V/380-480VAC supply voltages. Power range from 50W to 30kW, with Motor protection level being IP65/67, and can support several encoders like 2500P/17bit/20bit etc.
PRIMARY FEATURES
01
Multiple Inertia Options for Different Applications
Low inertia servo motors enable rapid acceleration and deceleration, making them ideal for fast pick-and-place, robotics, and precision assembly tasks.
Medium inertia servo motors balance speed and stability, suited for packaging, textiles, and general automation with moderate load changes.
High inertia servo motors handle heavy loads and inertial mismatches, delivering stable, precise performance in conveyors, presses, and printing systems.
02
Low Cogging Torque (Torque Ripple < 3%)
By optimizing the electromagnetic structure, the motor achieves exceptionally low cogging torque with torque ripple maintained below 3%. This ensures smooth operation at low speeds and high precision, making it perfect for applications requiring exceptional stability, such as CNC machines and high-end printing equipment.
03
High Power Density with Premium Efficiency
The servo motor offers high power density, delivering greater output power in a compact size while maintaining premium efficiency. Advanced materials and optimized electromagnetic design enhance energy efficiency, reducing operating costs and environmental impact. This makes it an excellent choice for energy-conscious industrial applications.
04
3.5 Times Overload Capability
With the ability to provide up to 3.5 times the rated torque for short periods, this motor is well-equipped to handle high-load conditions effortlessly. This robust overload capacity is ideal for applications such as pressing machines, heavy-duty machinery, and dynamic load scenarios, ensuring reliability under demanding conditions.
05
2 Times Overspeed Capability
The motor supports a wide speed range, reaching up to twice the rated speed. Its versatility ensures high efficiency and stability in both high-speed and low-speed operations, making it suitable for applications like textile machines and automated conveyor systems.
06
High Accuracy Encoder
Compatible with high-resolution encoders (20-bit and above), the servo motor delivers exceptional accuracy in position and speed control. This makes it an outstanding choice for applications requiring ultra-precision, such as semiconductor manufacturing and precision measurement instruments, meeting the demands of Industry 4.0 for high-accuracy control.
AC Servo vs DC Servo Motor
| Comparison Item | AC Servo Motor | DC Servo Motor |
|---|---|---|
| Power Source | AC (Alternating Current) | DC (Direct Current) |
| Structure | Brushless (usually PMSM type) | Brushed or brushless type |
| Maintenance | Low maintenance, long lifespan | Brushed type requires regular maintenance |
| Control Accuracy | High precision, fast response | Good accuracy, slightly lower than AC servo |
| Speed Range | Wide speed range, high-speed operation | Better performance at low to medium speeds |
| Efficiency | High efficiency | Lower efficiency (especially brushed type) |
| Cost | Higher initial cost | Lower initial cost |
| Applications | CNC machines, robotics, industrial automation | Small equipment, simple control systems |
| Reliability | High, suitable for industrial use | Medium, depends on structure type |
How to Select the Right Servo Motor
Selecting the right servo motor requires balancing torque, speed, accuracy, and application needs.
Start by defining your load requirements, including continuous and peak torque. Ensure the motor can handle acceleration demands without overheating or losing stability. Next, check speed range and torque curve to match your operating conditions.
Inertia matching is also critical—keeping load-to-motor inertia within an optimal range ensures smooth response and stable control. Finally, consider encoder accuracy, installation space, and compatibility with your servo drive system.
A properly selected servo motor improves efficiency, precision, and overall system reliability.
Need support? Contact UNITED MOTION INC. for the right servo solution.
FAQS about Servo Motor
A servo motor is an electromechanical device designed for precise control of position, speed, and torque by using a closed-loop feedback system. It continuously monitors its output through sensors such as encoders and adjusts the input signal to achieve accurate and stable motion control.
Servo motors offer several key advantages, including high precision, fast response, high torque at low speeds, and excellent stability under dynamic load conditions. These features make them ideal for applications that require accurate positioning and consistent performance, such as automation and robotics.
A complete servo system includes a servo motor, a controller, a driver or amplifier, and a feedback device such as an encoder or resolver. These components work together to ensure precise motion control by continuously adjusting performance based on real-time feedback.
Servo motors are widely used in industries such as industrial automation, robotics, CNC machinery, aerospace systems, and medical devices because they provide precise and responsive motion control in complex and high-performance environments.
Different inertia levels affect how a servo motor responds to changes in speed and load, where low inertia motors provide fast acceleration and quick response, while high inertia motors offer greater stability and better handling of heavy loads. Selecting the right inertia level is essential for optimizing system performance in specific applications.
High overload capability allows a servo motor to deliver significantly higher torque than its rated value for short periods, which is important for handling sudden load changes and demanding operating conditions. This feature improves system reliability and ensures consistent performance in heavy-duty applications.
Servo motors can be customized to meet specific application requirements by adjusting parameters such as power range, voltage, encoder type, and mechanical configuration. Many manufacturers also provide options for integrating drivers and control systems to deliver complete motion solutions.
United Motion Inc. is a reliable servo motor supplier that provides a wide range of DC and AC servo motors with different power ranges, inertia options, and encoder configurations. With strong engineering support and global manufacturing resources, the company helps customers develop efficient and precise motion control solutions for industrial applications.