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Torque motors are a type of electric motor that is designed to provide high levels of torque or rotational force. They are commonly used in applications where precise control of motion is required, such as robotics, medical equipment, industrial machinery, and automotive systems. Torque motors offer advantages such as high power density, direct drive capabilities, and smooth operation, making them ideal for compact designs and high-performance applications.
How does a torque motor work?
A torque motor works by utilizing the principles of electromagnetism. Inside a torque motor, there are typically two main components: a stator and a rotor. The stator consists of a series of stationary electromagnets arranged in a circular pattern, while the rotor is a permanent magnet or a set of electromagnets that can rotate within the stator.
When an electric current is applied to the stator windings, it creates a magnetic field. This magnetic field interacts with the magnetic field of the rotor, causing a torque or rotational force to be generated. The direction and magnitude of the torque depend on the interaction between the stator and rotor magnetic fields.
By controlling the current flowing through the stator windings, the torque output of the motor can be adjusted. This allows for precise control of the motor's rotational motion. Additionally, torque motors can operate at low speeds and provide high levels of torque, making them suitable for applications that require accurate positioning and high torque requirements.
It's important to note that the specific design and construction of torque motors can vary depending on the application and desired performance characteristics.
2. What is a frameless torque motor?
A frameless torque motor is a type of electric motor that does not have a traditional frame or housing. Instead, it consists of a rotor and stator that are directly integrated into the mechanical structure of the application or system in which it is used. This design eliminates the need for a separate motor housing, resulting in a more compact and lightweight motor.
Frameless torque motors are typically used in applications where space is limited or weight reduction is critical, such as robotics, aerospace, medical devices, and industrial automation. They offer high torque density, precise control, and low inertia, making them suitable for applications that require high performance and responsiveness.
The integration of the motor into the mechanical structure also allows for a more direct transfer of torque, resulting in improved efficiency and reduced mechanical losses. Additionally, frameless torque motors can be customized to fit specific application requirements, such as different sizes, shapes, and mounting options.
Overall, frameless torque motors offer a compact and efficient solution for applications that require high torque and precise control in a limited space.
3. What is the difference between an outrunner torque motor and a frameless inrunner torque motor?
The main difference between an outrunner torque motor and a frameless inrunner torque motor lies in the arrangement of the rotor and stator.
In an external rotating torque motor, the rotor is located on the outside of the stator. The stator is typically fixed, while the rotor rotates around it. This design allows for a larger rotor diameter, which results in higher torque output. External rotating torque motors are commonly used in applications that require high torque and low speed, such as heavy machinery and industrial equipment.
On the other hand, an internal rotating frameless torque motor has the rotor located inside the stator. The stator is typically fixed, while the rotor rotates within it. This design allows for a more compact motor size and lower inertia, making it suitable for applications where space is limited or weight reduction is critical. Internal rotating frameless torque motors are commonly used in applications such as robotics, aerospace, medical devices, and industrial automation.
Another difference is the way the motor is mounted. External rotating torque motors are typically mounted using a flange or a shaft, while internal rotating frameless torque motors are integrated directly into the mechanical structure of the application or system.
Overall, the choice between an outrunner torque motor and a frameless inrunner torque motor depends on the specific requirements of the application, such as torque output, size constraints, and mounting options.
CubeMars brand motor's RI series frameless Inrunner torque motors and R series outrunner torque motors are well recognized by the market. Interested customers can click to view!