Coreless DC Motors

Ultra-light coreless DC motors providing rapid response, low inertia, and smooth rotation for high-precision devices.

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A Closer look

What is a Coreless DC Motor

Definition

A coreless DC motor uses a hollow, iron-less rotor design, reducing inertia for fast, smooth, and highly efficient motion.

Key Benefits

Extremely fast response time
Low vibration and smooth operation
High power-to-weight ratio

Why Choose us

Why Choose SLW Motor

Customisation capability

We offer custom voltage, sizes (Ø10–22 mm), gear types, and add-ons such as encoders or Hall sensors, ensuring a perfect fit for your specific design.
Quality focus

With 20 years of manufacturing experience and ISO 9001 certification, SLW Motor delivers reliable products with consistent quality and durability.
Relevant performance features

Our motors feature low noise, high torque, high efficiency, and smooth operation, meeting the needs of demanding precision systems.
Gearbox & integration support

SLW Motor provides complete gearbox solutions—planetary or spur—simplifying assembly and improving performance for your motor applications.

Applications

Coreless DC Motor Applications

Robotics and Automation

Coreless DC motors are widely used in robotic arms, drones, and micro-actuators where quick response and precise motion control are critical.

Their low inertia and high acceleration enable fast start-stop movement, ensuring smooth and accurate positioning in compact robotic systems.

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Medical Devices

Optical and Camera Systems

Measuring Devices

FAQ

Frequently Asked Questions

Get quick answers to the most important questions about coreless DC motors.

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What is a coreless DC motor and how does it work?

A coreless DC motor uses an iron-less, hollow rotor winding that significantly reduces inertia, allowing the motor to start, stop, and change speed much faster than conventional DC motors. This design delivers smooth rotation, low noise, and high efficiency, making it ideal for precision applications such as medical equipment, robotics, and optical devices.

What are the advantages of choosing a coreless motor over a standard DC motor?

Coreless motors provide exceptional responsiveness, low vibration, and high power-to-weight ratio. Because the rotor has no iron core, there is no cogging, which results in extremely smooth motion and better control at low speeds. These benefits make coreless motors the preferred choice for high-precision, lightweight, or battery-powered devices.

Where are coreless DC motors typically used?

They are commonly used in medical instruments, micro-robotics, drones, measuring devices, optical systems, and portable equipment where accuracy, compact size, and fast acceleration are essential. Their quiet, stable performance suits applications that demand reliability and precise motion control.

How long is the lifespan of a coreless DC motor?

The lifespan depends on load, operating speed, and environmental conditions, but high-quality coreless motors can run for thousands of hours when used within rated specifications. As a manufacturer, we offer customizable designs, optimized brushes, and premium materials that extend durability and performance for demanding applications.

Can coreless DC motors be customized for my project?

Yes, as a manufacturer we provide full customization including motor dimensions, voltage, torque, winding specifications, shaft design, gearboxes, and connectors. We work with OEM customers to match performance requirements such as speed, acceleration, noise level, and power consumption to ensure best-fit integration.

Are coreless motors suitable for battery-powered devices?

Yes, coreless DC motors are highly efficient and require less energy to accelerate due to their low rotor inertia. This allows longer battery life and consistent performance, making them ideal for portable medical tools, handheld instruments, compact robots, and consumer electronics.

Do coreless DC motors generate heat easily?

They generate less heat compared to conventional DC motors because of their efficient electromagnetic structure. When properly matched to the load and voltage, they operate cool and stable. We provide engineering support to help customers select the correct motor for optimal thermal performance.

How do I choose the right coreless DC motor for my application?

Selecting the right model depends on torque, speed, operating environment, size constraints, and duty cycle. As a manufacturer, we analyze your exact requirements and recommend the most suitable motor configuration, ensuring reliability and performance while optimizing cost.