Working With Segmented Stator Lamination Stacks

In the realm of electric motors, a technological marvel is gaining prominence—segmented stator lamination stacks. These innovative designs are revolutionizing the efficiency and performance of electric motors, making them a focal point in electrical engineering.

In this blog post, we’ll delve into the intricacies of working with segmented stator lamination stacks, exploring their fundamental principles, evolution, key components, benefits, and applications.

Whether you’re an aspiring engineer, a seasoned professional, or simply curious about the inner workings of electric motors, this blog aims to provide valuable insights into the world of segmented stator lamination stacks.

Fundamentals of Stator Lamination

motor stator core laminations

At the core of electric motor efficiency lies a crucial element – the stator lamination. Understanding the fundamentals is paramount to grasping the intricacies of working with segmented stator lamination stacks.

The stator, a vital component in electric motors, acts as the static part of the motor, playing a pivotal role in converting electrical energy into mechanical motion.

Laminations, essential layers within the stator, contribute significantly to overall motor efficiency by minimizing energy losses. A deep dive into the fundamentals of stator lamination reveals the intricate design principles that underpin the efficiency and performance of electric motors.

What is Segment Motor Lamination?

Segmented motor stator laminations refer to a specialized design approach in the construction of the stator, a crucial component in electric motors.

In traditional motor designs, the stator laminations are continuous and cover the entire circumference of the stator core. However, in segmented motor laminations, the continuous lamination is replaced by segmented or individually insulated laminations that cover only a portion of the stator core.

This innovative design aims to enhance the overall efficiency and performance of electric motors. By using segments rather than a continuous lamination, the eddy current losses and core losses are minimized, resulting in improved energy efficiency, reduced heat generation, and enhanced overall motor performance.

Segmented motor laminations are particularly prevalent in high-performance and energy-efficient electric motor applications.

spliced stator lamination stacks

Manufacturing Process of Segmented Stator Lamination Stacks

Segment laminations, also known as T-segment laminations, is the iron core is divided into several parts. Each iron core’s inner measuring arc edge is concave to form a plurality of tooth slots. Then, the multiple rings punched are superimposed segmented stator winding together, and the joints on the adjacent rings are staggered. Achieve a complete motor core.

Segmented stator laminations with the utilization of a high-efficiency, high-speed stamping process to manufacture. The high-speed stamping machines work to produce motor core stator laminations with the highest precision.

Segmented stator lamination cores are common with 12 slots and 10 poles or 12 slots and 14 poles. It is suitable for the outer diameter of relatively large lamination iron core products to save material use.

Benefits of Working with Segmented Stator Lamination Stacks

Working with segmented stator lamination stacks offers a plethora of benefits that contribute to the enhanced efficiency and performance of electric motors.

Increased Efficiency

One of the primary advantages is the notable increase in motor efficiency. The segmented design minimizes eddy current losses and core losses, resulting in a more efficient energy conversion process.

Enhanced Heat Dissipation

Segmented stator lamination stacks provide improved heat dissipation capabilities. This is crucial for preventing overheating and maintaining optimal operating temperatures, ultimately extending the motor’s lifespan.

Reduced Energy Losses

The innovative design reduces motor stator iron core losses, leading to higher energy efficiency. This is particularly significant in applications where energy conservation is a key consideration, such as electric vehicles and renewable energy systems.

Quieter Operation

The reduction in magnetic noise, a byproduct of the segmented design, contributes to quieter motor operation. This is particularly advantageous in applications where noise reduction is a critical factor.

Improved Power Factor

Segmented stator lamination stacks can lead to an improved power factor, a measure of how effectively electrical power converts. This can have positive implications for the overall efficiency of the electrical system.

Applications of Segmented Stator

Segmented stator lamination stacks find diverse applications across various industries, showcasing their versatility and efficiency in different contexts:

silicon steel application

Electric Vehicle Motors

Segmented stator lamination stacks are widely utilized in electric vehicle (EV) motors. The enhanced efficiency and reduced energy losses contribute to extending the driving range of electric vehicles. Which is a critical factor in the widespread adoption of sustainable transportation.

Industrial Motors

In industrial settings, where motors play a crucial role in powering machinery. Segmented lamination stacks are applied for improved efficiency and performance. These motors are used in manufacturing processes, conveyor systems, and other industrial applications where reliability and energy efficiency are paramount.

Renewable Energy Systems

Segmented stacks play a significant role in renewable energy systems, such as wind turbines and solar power generators. Their efficiency and ability to handle variable loads make them well-suited for these applications, contributing to the optimization of energy conversion in sustainable power generation.

Appliances and Consumer Electronics

In household appliances and consumer electronics, where compact and energy-efficient motors are essential, segmented stator lamination stacks find applications. This includes appliances like refrigerators, washing machines, and power tools, where energy efficiency is a key consideration.

The widespread adoption of segmented stator lamination stacks across these diverse applications underscores their effectiveness in improving energy efficiency, reducing losses, and enhancing the overall performance of electric motors in a variety of settings.

Motorneo Segmented Stator Stacks Manufacture Capabilities

Motorneo has cutting-edge manufacturing capabilities for segmented stator and rotor stacks, enabling efficient and high-quality production for both mass-scale and prototype applications.

In our commitment to mass production excellence, we employ state-of-the-art high-speed stamping techniques, ensuring precision and rapid production of segment laminations.

The utilization of high-speed stamping not only enhances the efficiency of the manufacturing process but also contributes to the scalability required for large-scale production demands.

For the intricate demands of lamination prototypes, Motorneo leverages advanced technologies such as laser cutting and wire-EDM cutting. These precision methods allow us to craft intricate segment laminations with the utmost accuracy, catering to the unique design requirements of prototype development.

Whether for the demands of mass production or the intricacies of prototyping, Motorneo’s manufacturing capabilities ensure the production of segmented stator stacks that meet the highest standards of performance and reliability.

our segmented stator lamination stacks capabilities


In conclusion, working with segmented stator lamination stacks is more than a technological advancement; it is a paradigm shift that propels us into an era where energy efficiency, sustainability, and performance coalesce.

The collaborative efforts of engineers, manufacturers, and researchers ensure that these stacks continue to shape the future of electric motor technology, influencing industries and applications in ways that were once unimaginable.

As we stand at the forefront of this transformative wave, the potential for even greater advancements beckons, promising a future where electric motors powered by segmented stator lamination stacks play a pivotal role in a sustainable and technologically advanced world.


What is a segmented stator lamination in the context of an induction motor?

A segmented stator lamination in an induction motor refers to the use of individually insulated laminations instead of a continuous lamination around the stator core. This design enhances the efficiency and performance of the motor.

How are the segmented cores stacking assembly together?

In the realm of segmented silicon steel lamination bonding and stacking, we utilize both a self-bonding process and an interlocking method to assemble silicon steel lamination segments.

Our self-bonding process involves carefully treating the surfaces of the electrical steel lamination segments to create a secure and permanent bond without the need for additional adhesives. This approach not only guarantees the structural integrity of the lamination stack but also enhances the overall performance and longevity of the final product.

Simultaneously, our interlocking process employs intricate design and engineering, creating a system in which each segment fits seamlessly into the next. This interlocking mechanism provides added strength and stability to the stack, mitigating the risk of shifting or separation over time.

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