Motor Stator Injection Molding Insulation

At Lamnow, we have cutting-edge technology and expertise in the field of motor stator injection molding insulation. Specializing in providing customized solutions to meet the unique needs of the motor industry.

overmoulding plastic insulation services

overmoulding plastic insulation services

Precision And Innovation

Experience superior overmoulding plastic insulation services with us. Our advanced techniques ensure motor stator stacks have optimal performance, protection, and a flawless finish.

Custom Plastic Overmoulding Stator Lamination

Lamnow plastic over-molding stator iron core enhances electric motor performance by encapsulating stator laminations with precision. Widely applied in automotive, industrial machinery, and appliances, this process ensures durability, insulation, and a tailored fit, optimizing motor efficiency across various applications.

motor stator injection molding
injection molding stator lamination
injection molding stator core
plastic overmolding stator lamination

Plastic Overmould Capabilities For Stator Stack

As a professional motor lamination manufacturer in China, we offer comprehensive injection mold design and fabrication services.

Our expertise lies in crafting precision plastic over molds tailored to meet the unique specifications of motor stator cores.

Lamnow employs advanced CAD design and CNC machining techniques to craft durable motor lamination injection molds with utmost precision that ensures optimal efficiency and performance of electric motors.

plastic overmould design and manufacture

Process For Stator Lamination Core Injection Molding Insulation

The motor stator injection molding insulation process is a specialized manufacturing method used to create the stator, a crucial component in electric motors. This process ensures precise insulation placement, enhancing motor performance and protecting against electrical issues such as short circuits.

motor stator injection molding insulation process

Engineers use CNC machining or other precision methods to design and create plastic injection molds, with multiple cavities for simultaneous production.

We select appropriate insulation materials, such as TPE, epoxy resins, PA, PPS, PET fiberglass high-loaded, or other insulating polymers, based on the desired electrical and thermal properties.

Stator core laminations and insulating materials are loaded into the automation injection molding machine. The thermosetting plastic material, often epoxy resin, l is then injected into a mold cavity at high pressure to complete the encapsulation of the stator lamination stacks.

The injected material cools and solidifies within the mold, ensuring the stator maintains its shape and structural integrity. Once the material has solidified, the mold opens, and the newly formed stators are removed.

Excess material or flash is trimmed off, ensuring each stator meets the specified dimensions and quality standards. Additional finishing processes may include surface treatments or coatings for improved performance.

Benefits Of Motor Stator Insulation

Cost Efficiency

Overmoulding can streamline the manufacturing process by combining multiple steps into one. This can result in cost savings and increased efficiency during production.

Electrical Insulation

Overmoulding provides an additional layer of insulation, protecting the stator windings from environmental factors such as moisture, chemicals, and contaminants.

Vibration Damping

The plastic overmoulding process can help dampen vibrations within the electric motor, reducing noise levels and minimizing wear and tear on internal components.

Improved Mechanical Strength

Plastic overmoulding adds mechanical strength to the stator, reducing the risk of damage due to vibration, shock, or other mechanical stresses. This can extend the lifespan of the motor.

Resistance to Corrosion & Chemicals

Plastic overmoulding can provide resistance to corrosion and chemicals, making the motor suitable for harsh environments where exposure to corrosive substances is a concern.

Improved Thermal Performance

Certain thermosetting plastic materials used in overmoulding can have good thermal conductivity, helping to dissipate heat generated during motor operation.

Application Of Motor Lamination Plastic overmoulding Insulation

Motor lamination plastic overmoulding insulation is a process that involves encapsulating the laminations of a motor stator with a layer of plastic material. This technique offers various advantages in terms of performance, protection, and durability in different applications. Here are some common applications of motor lamination plastic overmoulding insulation:

Overmolded Lamination Stacks Quality Control

We implement a comprehensive quality control process throughout the manufacturing of over-molded motor lamination stacks to help identify and address potential issues, ensuring that the final product meets the required standards and performs reliably in its intended application.

quality control for progressive die

Stator Lamination 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.

Motor Injection Molded Insulation Manufacturer In China

With state-of-the-art facilities, experienced engineers, and a commitment to quality, we deliver custom solutions meeting the highest standards. Trust us for efficient, durable, and cost-effective motor stator injection molding services.

Build your Stator Core Overmoulded knowledge

You’ll find the electric motor stator core overmoulded resources with confidence on the Lamnow Blog.

Laminations Insulation FAQS

Insulation in motor stators prevents electrical faults, enhances resistance to environmental factors, and ensures the longevity and reliability of the motor by maintaining proper insulation resistance.

Injection molding forms a protective layer around the stator windings, sealing them from moisture, chemicals, and contaminants. It also enhances mechanical strength, contributing to better insulation properties.

Properly executed injection molding should maintain dimensional accuracy. It is crucial to follow quality control measures to ensure that the molded layer adheres uniformly without causing variations in dimensions.

Yes, the process allows for customization. The choice of materials, molding techniques, and design configurations can be tailored to meet the unique requirements of various applications.

Take Your Motors to the Next Level with Injection Molding!

Unleash the full potential of your motors with our specialized Motor Stator Injection Molding services. We offer cutting-edge solutions to elevate your products. Contact us today to enhance your motor’s efficiency and longevity!