Rotor Laminations In China

Rotor laminations are a critical component in the manufacturing of electric motors, playing a pivotal role in enhancing their efficiency and performance.

Lamnow specializes in the production of high-quality rotor laminations. Our full range of lamination services for motors or generators cater to the diverse needs of our clients.

Custom Electric Motor Rotor Laminations

Our precision-engineered rotor laminations find applications in electric motors for automotive(EVs), power tools, home appliances, and industrial, and renewable energy sectors, ensuring optimal efficiency and performance in varied electromechanical applications.

outer rotor lamination

Outer Rotor Laminations

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: The outer rotor lamination cores find diverse applications across various industries, notably in electric motors for industrial fans, blowers, and cooling systems.

die casting motor rotor

Squirrel Cage Rotor Laminations

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: The squirrel cage rotors and double squirrel cage rotors are widely utilized in induction motors, from industrial machinery to household appliances.

squirrel cage copper rotor die casting

Copper Die Casted Rotor

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: Due to superior conductivity and heat dissipation, the copper die-casted rotor is widely applied in high-performance applications like electric vehicles and industrial machinery.

adhesive lamination for electric vehicle motor

Self-Bonding Rotor Laminations

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: Lamnow self-bonding rotor laminations are used in high-speed motors for new energy vehicles, home appliances, and power tools.

micro motor rotor winding

Winding Rotor Laminations

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: Our high-quality winding rotor laminations are tailored for applications such as generators, alternators, DC motors, and other electromechanical devices.

epoxy power coating motor lamination

Insulating Coated Rotor

OD: Customized    ID: Customized
Silicon Steel Thickness: 0.1mm, 0.15mm, 0.2mm, 0.35mm, 0.5mm
Stator Height: 1mm-200mm Customized
Tolerance: 0.02

Application: Commonly applied in industrial machinery and automotive systems, the insulating coated rotor laminations contribute to prolonged motor life and reliable operation.

Design And Fabrication Capabilities For Rotor Core Laminations

Material Sourcing Expertise

Lamnow specializes in sourcing and providing expertise in various types of electrical steel, including Non-Grain Oriented (NGO), Grain Oriented (GO), and Cold Rolled Motor Lamination (CRML) steel. The steel lamination thickness is 0.1mm – 1 mm.

Advanced Stamping Capabilities

Our extensive capabilities in advanced stamping processes include progressive stamping, large blank compound stamping, and rotary notch stamping. Global reach and capacity to handle diverse production requirements, showcasing versatility in manufacturing.

Enhanced Motor Performance and Quality

We focus on providing precision lamination solutions aimed at improving motor performance and reducing core loss, thereby enhancing overall motor efficiency. Commitment to helping clients achieve cost savings in the manufacturing process.

On-Time, In-Full Delivery

High-volume manufacturing facilities designed for quality and efficiency, ensuring the timely and complete delivery of client orders. Reliability in meeting production schedules and maintaining consistency in order fulfillment.

Offer Technical Support

Our dedicated motor design and engineering team is available to collaborate with clients throughout the entire product development process. Support provided from ideation to manufacturing, demonstrating a commitment to being a trusted partner in product design and development.

Other Superior Services

Lamnow offers a range of value-added services beyond basic lamination manufacturing, including annealing, bonding, welding, riveting, cleating, shaft-inserting, insulation coating, winding, die-casting, deburring, wire cutting, and laser cutting.

Our Production Process For Rotor Lamination Stacks

Rotor Lamination Prototype Services

lamination bonding prototype

Our rotor lamination prototype services at Lamnow offer rapid development with a lead time of 7-15 days.

Utilizing advanced technologies like slow wire cutting and laser cutting lamination, we ensure precision in crafting prototype rotor and stator laminations.

These techniques allow for intricate designs and swift production, enabling quick assessment and adjustments.

Lamnow is dedicated to providing high-quality rotor lamination prototypes promptly, supporting your motor development projects with efficiency and accuracy.

Progressive dies stamping, widely used in motor rotor manufacturing, our high-speed punching press machine employs consecutive punching operations on a silicon steel strip as it progresses through different stations. Efficient and cost-effective for high-volume production, it ensures precision and consistency in the final laminations.

Our automation compound stamping merges multiple processes into a single stroke, enhancing efficiency and accuracy in motor rotor lamination production. This technique streamlines operations, reducing time and costs while ensuring precise and complex designs.

The rotary notching machine incorporates servo control systems and excels in precise cutting for large motor rotor laminations. Ideal for low-volume production or prototyping, it ensures accuracy and efficiency in creating intricate designs for diverse motor applications.

Rotor Lamination Stamping

compound stamping for motor lamination

Rotor Lamination Bonding

motor laminations glue bonding technique

Our lamination bonding technology is for high efficiency electric powertrain applications.

Glue dot bonding involves applying adhesive dots strategically on laminations, providing secure fixation.

On the other hand, self-bonding utilizes materials with inherent adhesive properties, eliminating the need for additional adhesives.

Both techniques enhance structural cohesion, reduce vibrations, and improve the overall performance and reliability of motors.

We offer motor lamination assembly services for stator cores, rotors, armatures, and pole lamination assemblies. Individual laminations are interlocked, riveted, and secured with bolts to form the core.

This intricate assembly ensures optimal alignment and structural integrity in electric motor cores.

Additionally, precise shaft insertion is employed, contributing to the seamless integration of the motor components.

At Lamnow, our expertise lies in the art of lamination stacking, ensuring each step is executed with precision, resulting in motor cores that meet the highest standards of efficiency and reliability.

Stator And Rotor Lamination Stacking

rotor riveting

Rotor Die Casting

die casting alloy

Lamnow excels in both aluminum and copper die-casting techniques, providing high-quality die-casted rotors tailored to diverse motor specifications.

In rotor aluminum die casting, molten aluminum is injected into a mold to create intricately shaped rotors, known for their lightweight and corrosion resistance.

Conversely, rotor copper die casting involves the precise casting of copper to produce robust rotors with excellent conductivity.

Our epoxy powder insulating coating for motor core lamination is a cutting-edge solution that ensures robust protection and enhanced performance.

Applied as a fine epoxy resin powder, it forms a durable and insulating layer over the core laminations, safeguarding against corrosion, environmental elements, and electrical stress.

This coating process not only fortifies the motor against wear and tear but also enhances thermal efficiency. The result is a resilient motor core with improved longevity and reliability.

Epoxy Powder Coating For Motor Core Lamination

electrostatic epoxy coating insulations
rotor x-ray testing

Quality Control For Rotor Stacks

Rotor Uesd Silicion Steel Materials

Lamnow has diverse electrical steel materials, including silicon steel, from various brands, catering to your specific requirements for optimal performance in electrical applications.

Sura Cogent-SwedenJFE Steel-JapanSteel-ChinaChina Steel-Taiwan
35SW270/35SWH1900/35SWYS5000 ;

Rotor Laminations FAQS

Rotor laminations play a vital role in reducing energy losses by minimizing eddy currents, improving magnetic flux, and enhancing the overall performance of electric motors and generators.

Rotor laminations are commonly crafted from materials such as silicon steel (silicon electrical steel), known for its magnetic properties that reduce eddy current losses.

Thin-gauge electrical steel is prevalent, optimizing magnetic flux. Some applications may utilize special soft magnetic alloys like nickel alloy or cobalt alloy for enhanced performance in specific operating conditions.

The rotor cores are essential components in various industries, including automotive, energy, and manufacturing. They find application in electric motors and generators, contributing to efficient energy conversion.

Rotor cores play a crucial role in powering electric vehicles, power tools, industrial machinery, and renewable energy systems, ensuring optimal performance and reliability.

Rotor laminations provide numerous advantages, notably tight tolerances ensuring precise motor construction. They contribute to lower energy losses through reduced eddy currents, enhancing overall motor efficiency. The use of laminations also increases power density, allowing for more compact and powerful electric motors.

To select the appropriate rotor laminations, consider factors such as motor specifications, operating conditions, and efficiency requirements. As a professional motor lamination supplier, our technical experts can help guide you in making the right choice.

Get High-Quality Rotor Laminations!

Are you ready to elevate your motor lamination components manufacturing processes? Contact us now to explore our range of rotor laminations tailored to meet your specific needs. Our team of experts is here to assist you in finding the perfect solution for your requirements.