DC motor lamination stacks manufacturer in China
Motorneo produces DC motor laminations including brushed motor laminations and brushless motor laminations. These laminations core is made from silicon steel and amorphous alloys that have high magnetic performance and low core losses.
Our laser cutting and wire cutting process makes the corresponding motor lamination without a mold. 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
Motorneo customizes DC brushless motor cores and DC brushed motor cores that are mainly used in the field of automotive motors, including seat motors, wiper motors, steering motors, oil pump motors, fan motors, etc.
Our new self-bonding brushless DC motor laminates are suitable for multi-wing drones, agricultural drones, industrial drones, electric vehicles, in-wheel hubs, fans, and pumps.
The segmented stator laminations for BLDC motors apply to industrial robotics, vehicle hubs, drones, home appliances, and rail transportation.
coated DC motor core
DC Motor core
DC Motor rotor core
Self-Bonding drone motor amorphous metal stator core
bonding BLDC lamination stacks for new energy vehicle hub
BLDC stator laminations for electric vehicles
Capability for stamping DC motor stator and rotor lamination stacks
Our primary method of production is progressive stamping, a highly efficient process for small laminations and segmented stator laminations. This technology enables the mass production of motor laminates with consistent accuracy in a short time.
Compound stamping is cost-effective for medium and large motor stator rotor stacks. Laminates with complete verticality and flatness that can be produced in a single stroke.
Single-slot punching employs a servo control system that is suitable for lamination prototypes and small-scale production.
Why Choose us as your Direct Current electric motor lamination China manufacturer?
Having 25T-300T stamping machines and progressive stamping, compound stamping, and rotary notching technology to create motor laminations.
We employ interlock, riveting, cleating, gluing, laser welding, self-bonding, etc. to stack and bond laminations.
Our solutions cater to a wide range of industries and applications, from automotive and robotics to industrial automation and beyond.
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.
Inertia
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.
Commutation
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.
Cogging
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.
High Precision And Performance 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.