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Servo Motors

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Need help choosing?

Describe the load, speed, stroke, operating cycle, and accuracy requirements — an engineer will help you select a suitable servo motor and compatible components for your assembly or machine.

Servo Motors: the Foundation of Precise Positioning and Dynamic Motion

A servo motor works with a controller/drive to provide precise control of speed, torque, and position. Servo motors are used in linear axes, electric cylinders, robotic assemblies, and machines where repeatability and stable operation during acceleration and deceleration are essential.

How to Choose a Servo Motor for Your Application

  • Torque and speed: Assess the operating torque, peak loads, and required speed. The inertia of the mechanical system is important for accurate sizing.
  • Dimensions and flange: Consider installation constraints, mounting method, shaft, and required mounting dimensions.
  • Encoder: The feedback type affects positioning accuracy and compatibility with the controller.
  • Power supply: Match the motor to the servo controller (typically 1~230 V or 3~400 V, depending on the system and power rating).
  • Options: A holding brake, IP rating, and a version suited to the operating environment (dust, moisture, vibration).

Components and Compatibility

For the servo motor to work properly, it must be matched with the controller/drive and fitted with compatible motor and encoder cables. Preselected motor and drive combinations or complete kits can make setup faster.

Related Categories

Servo drive hub: servo drives. Controllers and drives: motor controllers. Kits: servo drive kits. Cables: servo motor cables. If you need assistance, visit our contact page.


Frequently Asked Questions About Servo Motors

What information is needed to select a servo motor?

Torque and speed, the type of mechanical system (axis, gearbox, or screw drive), inertia, available power supply, accuracy requirements, and encoder type.

Is it important to choose the motor and controller together?

Yes. Compatibility in terms of power supply, encoder, and control modes is critical. We can help select a compatible motor and controller combination.

When is a brake needed?

When the axis or load must be held in position without power, or when you need to prevent movement under gravity or external forces.

Are separate motor and encoder cables needed?

Often, yes. We can select the appropriate power and signal cables for your system.

Can you help select components for axes and electric cylinders?

Yes. We will review the mechanics, torque, and speed requirements and select compatible components.