DC motor stator and rotor lamination stacks manufacturer in China

With a legacy of over a decade in the industry, we, at Motorneo, stand as a professional motor lamination manufacturer. At the heart of our success lies our dedicated research and development team, tirelessly working to design and manufacture high-quality DC motor laminations that meet the ever-evolving needs of modern industries.

We understand that the efficiency and performance of DC electric motors hinge on the quality of their core components, and that’s why we leave no stone unturned in crafting laminations that surpass industry standards.

Whether you require custom motor cores, specialized sizing, or intricate patterns, we have the expertise to meet your needs.

Get in touch with us to learn more about our motor lamination design and manufacturing capabilities.

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Custom DC motor iron core lamination

We recognize that DC motor applications span a wide spectrum of industries, each with unique requirements. We offer a comprehensive suite of customization options, allowing you to customize your DC motors to precise specifications.

From the size and shape of motor lamination stacks to intricate patterns, we understand that no two applications are the same. Our advanced stamping machinery is at the heart of our customization capabilities, enabling us to manufacture motor laminations that meet even the most exacting standards.

Whether you require compact and high-torque DC motors for robotics, or large and high-speed motors for industrial machinery, we have the expertise to craft motor cores that align perfectly with your needs. Our team of engineers collaborates closely with clients to ensure that every detail is considered, from the choice of materials to the final design.

The versatility of our custom DC motor services extends to various industries, including automotive, aerospace, manufacturing, and more.

coated DC motor core

coated DC motor core

DC motor core

DC Motor core

DC motor stator core

DC Motor rotor core

progressive stamping

Capability for stamping DC motor stator and rotor lamination stacks

Our primary method of production is progressive stamping, a highly efficient process that allows us to create motor lamination stacks with exceptional precision and consistency.

However, we also harness the power of compound stamping and rotary notching manufacturing processes. Compound stamping allows us to tackle more complex designs and intricate patterns with ease, giving us the flexibility to meet diverse client requirements.

On the other hand, rotary notching adds another dimension to our capabilities, enabling us to create notches and features that enhance the functionality of the motor laminations.

This wide array of stamping techniques empowers us to deliver customized DC motor lamination solutions that cater to a variety of applications across industries.

Why Choose us as your electric motor lamination China manufacturer?

With a solid track record and years of experience, we have honed our skills in electric motor lamination manufacturing. Our deep industry knowledge ensures that you receive top-tier solutions.

We harness cutting-edge stamping machines and manufacturing technology, including progressive stamping, compound stamping, and rotary notching, to create motor laminations that excel in efficiency, precision, and performance.

Additionally, we employ interlock, riveting, cleating, gluing, laser welding, self-bonding, etc. to stack and bond laminations.

Our stringent quality control measures and rigorous testing protocols guarantee that every product we deliver meets or exceeds industry standards.

Our solutions cater to a wide range of industries and applications, from automotive and robotics to industrial automation and beyond.

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DC Motor Core FAQs

Motor laminations are typically made of magnetic materials like silicon steel or iron-cobalt alloys. These materials are chosen for their excellent magnetic properties in a cost-effective.

DC motor laminations offer several advantages that enhance the performance, efficiency, and versatility of DC motors. Some of the key advantages include:

Reduced Eddy Current Losses

The laminated structure of motor cores helps reduce eddy current losses, as the thin insulated layers between laminations inhibit the flow of electrical currents within the core material. This results in improved motor efficiency and reduced thermal generation.

Enhanced Magnetic Properties

Motor laminations are typically made from materials with high soft magnetic permeability, such as silicon steel or iron-cobalt alloys. These materials optimize the magnetic field within the motor, leading to higher torque and improved motor performance.

Improved Efficiency

Reduced core losses and enhanced magnetic properties contribute to increased motor efficiency. DC motors convert a higher percentage of electrical energy into mechanical energy, making them more energy-effective.

Smooth Operation

Laminations help minimize cogging and ensure smooth and consistent motor operation. This is especially important in applications where precise controller and motion quality are critical.

Reduced Vibrations and Noise

Laminated cores result in quieter motor operation and reduced vibrations, making DC motors with laminations suitable for applications where noise and vibrations must be minimized.

DC motors with custom laminations find applications in various industries, including automotive, robotics, aerospace, industrial automation, and renewable energy, among others.

Additionally, DC motor cores can be used in higher-powered industrial machinery such as cranes or conveyor belts where more torque is needed to lift heavy objects.

Besides coreless DC motors, Cored DC motors come in various types, each designed for specific applications and operating principles. The main types of motors include:

Brushed DC Motors:

These motors feature a commutator and brushes that enable the flow of current in one direction through the armature windings. As the commutator rotates, the direction of current in the armature windings reverses, creating continuous rotation. They are commonly used in applications requiring simplicity and cost effectiveness but may have a limited lifespan due to brush wear.

DC Brushless Motors:

Brushless DC motors (BLDC) use electronic commutation instead of brushes and commutators. They offer higher efficiency, longer lifespan, and less maintenance compared to brushed motors. BLDC motors are widely used in applications where precision and reliability are crucial, such as robotics and aerospace.

Series DC Motors:

Series-wound DC motors have the armature and field windings connected in series. They provide high torque at low speeds, making them suitable for applications requiring high starting torque, such as electric vehicles, forklifts, and locomotives.

Shunt DC Motors:

Shunt-wound DC motors have the field winding connected in parallel (shunt) with the armature winding coil. They provide relatively constant speed characteristics and are used in applications like conveyor systems, fans, and blowers.

Compound DC Motors:

Compound-wound DC motors combine series and shunt winding characteristics. They offer a combination of high torque at startup and steady speed control, making them suitable for various industrial applications.

Permanent Magnet DC Motors:

These motors use permanent magnets to create the magnetic field in the stator. They are known for their efficiency, reliability, and precise speed control. Permanent magnet DC motors are used in applications like computer disk drives, appliances, and automotive systems.

Cored and coreless DC motors are distinct in their design and performance characteristics. Here are the key differences between the two:

Core Design

Ironless DC motors lack an iron core in their armature (rotor). Instead, they have a self-supporting cylindrical coil wound around a hollow, non-magnetic core. This coreless design reduces the motor’s weight and inertia.

Cored DC motors have an iron core in the armature, which enhances their magnetic properties. This core increases the motor’s weight and inertia compared to coreless motors.


Due to their lightweight and low inertia design using a coreless DC motor exhibits rapid response times and is highly efficient at high speeds. They are ideal for applications that require quick acceleration and deceleration.

Cored motors have higher inertia, which means they are better suited for applications requiring stable and consistent speed control, especially at low speeds.


Coreless motors use brushes and a commutator for switching the current direction in the armature windings. This commutation method can lead to brush wear over time.

These motors also use brushes and a commutator for current reversal, but their iron-core design can result in more pronounced brush wear over time compared to coreless motors.


Coreless motors typically exhibit minimal cogging (variation in torque) due to their smooth, iron-free armature design. This feature is essential for applications where high-precision running is critical.

Some cored motors may exhibit cogging due to the presence of the iron core, especially at low speeds. However, advanced design and manufacturing techniques have reduced this issue in many modern cored motors.

The primary difference between AC and DC motors is the type of electric current they use. AC motors run on alternating current, where the direction of current changes periodically, while DC motors operate on direct current with a continuous, unidirectional flow of electricity.

Unlock Precision and Performance with Custom DC Motor Laminations!

Are you seeking the perfect fit for your DC motor applications? With our expertise in customization, advanced stamping technology, and a decade of experience, we’re here to craft motor laminations that align perfectly with your requirements.

Whether it’s size, shape, or pattern customization, we’ve got you covered. Don’t compromise on performance or efficiency. Contact us today, and let’s create DC motor laminations.