Motor Lamination Epoxy Coating Insulation

Lamnow at the forefront of cutting-edge technology, our motor lamination epoxy powder coating insulation solutions are meticulously crafted to enhance the durability, efficiency, and overall performance of electric motors.

lamination electrostatic epoxy coating insulaion

electrostatic coating insulation services

Precision And Innovation

Revolutionize your insulation solutions with our electrostatic epoxy coating services. Powder coating provides a continuous dielectric insulating layer with strong chemical and heat resistance to protect motor coil winding process.

Custom Epoxy Coating Stator Rotor Lamination

Discover unmatched protection and performance with our custom epoxy coating for the iron laminated core. Applied with precision, our coatings offer exceptional insulation against electrical and environmental factors, ensuring optimal efficiency. Our motor lamination epoxy powder coating insulation is widely used in automotive, renewable energy, and industrial machinery motors.

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Typical Process For Motor Core Lamination Insulation Coating

Electrostatic motor epoxy powder coating is a specialized finishing technique for electric motor components, where powdered epoxy resin is applied to motor parts, electrostatically charged, creating a durable coating. This process outperforms insulation paper and plastic over mold, offering advantages in performance and cost, and simplifying motor assembly winding, making it highly prevalent in applications like BLDC motors and slotless motors.

Begin with motor laminations, either stamped or welded, to create the motor core structure.

Design and manufacture fixtures based on stator powder coating drawings. Input coating specifications into the electrostatic electrical insulation coating machine.

Apply epoxy coating to the stator using an electrostatic electrical insulation coating machine. Conduct a thorough inspection post-application to ensure quality.

Subject the coated stator to defined temperatures in an oven for hardening. Allow it to cool down to ambient temperature for stabilization.

Perform a comprehensive inspection of the completed motor stator epoxy coating products, ensuring adherence to specifications and meeting high-quality standards.

motor lamination epoxy power coating insulation process

Electrostatic Epoxy Coating Insulation Capabilities For Lamination Stacks

Benefits Of Electric Motor Lamination Insulation

Coating insulation is a common method used to protect and enhance the performance of motor cores. The motor core is a critical component in electric motors, and applying insulation coating to it offers several benefits:

Corrosion Resistance

Epoxy coating provides a protective barrier against moisture and corrosive elements. Exposure to moisture and corrosive substances can lead to rust and deterioration, affecting the motor's lifespan.

Chemical Resistance

Epoxy coatings are resistant to a variety of chemicals. This makes the motor core more robust and capable of withstanding exposure to different industrial environments where chemicals may be present.

Enhanced Insulation

Epoxy coating can improve the insulation properties of the iron core. It is crucial in motors, where maintaining proper insulation is critical for preventing electrical shorts and ensuring the motor operates efficiently.

Thermal Stability

Epoxy coatings can provide thermal stability, helping the motor core withstand high temperatures. This is significant for motors that operate in environments with elevated temperatures.

Mechanical Protection

The coating provides vital mechanical protection, shielding the motor core from physical damage, abrasion, and impact, crucial for applications with potential mechanical stress exposure.

Durability & Longevity

Epoxy coatings are known for their durability and longevity. They provide a long-lasting protective layer that helps extend the life of the motor core, reducing the need for frequent maintenance or replacements.

3M Series Epoxy Powder Spec. Materials

Material ModelTemperature ClassColorCertificates
3M860 SeriesF Class (155℃)Blue, GreenROHS
3M266F Class (155℃)Blue, GreenUL, ROHS
3M260, 3M555, 3M5230N H Class (180℃)Blue, GreenUL, ROHS

Laminated Iron Core Insulation Related Services

Motor Stamping

Motor lamination stamping includes progressive stamping, compound stamping, and rotary notching employs specialized dies to cut and shape silicon steel(electrical steel).


We provide glue dot, and full surface bonding electrical steel laminations, and provide the ideal bonding method for your motor cores.

Core Assembly

The motor core laminations stacking assembly includes laser welding, TIG welding, MIG welding, riveting, cleating, shaft insertion, blots, etc.

Reliable Coating Insulation Motor Manufacturer

Lamnow, a decade-experienced supplier, excels in automatic epoxy coating for lamination stacks. Our advanced facilities ensure daily precision insulation coating for armatures, stators, and varied lamination cores. Tailor solutions with customizable thickness, temperature classes, and color options for motor core needs. Accommodating stacks up to 350mm, Lamnow offers unmatched versatility.

Build your Motor Power Coating knowledge

You’ll find the electric motor laminated core electrostatic epoxy power coating resources with confidence on the Lamnow Blog.

Laminations Insulation FAQS

Rotor and stator powder coating protects motor laminations from environmental factors, such as moisture and corrosive substances. It also enhances insulation, prevents electrical shorts, and contributes to the motor’s efficiency and reliability.

Yes, Lamnow provides customizable coating thickness ranging from 0.15mm to 0.6mm. This customization takes into account the voltage requirements and stator-rotor dimensions, ensuring a tailored solution for each motor.

The longevity of electrostatic coating depends on factors such as the quality of the coating, environmental conditions, and the application. When applied correctly, it can provide long-lasting protection, contributing to the extended lifespan of the motor.

Yes, the electrostatic coating is versatile and can be applied to various types of motors, including induction motors, synchronous motors, and other types of electric motors and generators. It is commonly used in applications where protection against environmental factors and electrical insulation are crucial.

The process typically involves cleaning the motor laminations, applying a layer of epoxy powder electrostatically, and then curing the coated laminations in an oven. The curing process results in a hard, protective coating that adheres to the surface of the laminations.

Lamnow's Motor Lamination Coating Insulation!

Revolutionize your motor with Lamnow’s cutting-edge electrostatic coating for lamination stacks. Elevate efficiency and durability with our precision solutions. Explore customizable options, diverse temperature classes, and unique color choices. Contact us today!