In the pursuit of higher efficiency, smaller size, and stronger performance in modern motors and electromagnetic devices, every material innovation has the potential to spark a technological revolution...
As a specialized motor core manufacturer, Youyou Company works closely with global HVAC OEMs facing an urgent industry shift: whether in magnetic levitation chillers, high-efficiency data center fans, heat pumps, or micro-actuators, high-frequency operation, ultra-low noise, and IE5/IE6 efficiency standards have become non-negotiable...
As a professional custom motor core manufacturer with years of experience serving the heavy drone industry, we know that the performance of brushless DC (BLDC) motors directly determines the success of heavy-lift UAV missions. From industrial cargo delivery and large-scale agricultural spraying to high-altitude infrastructure inspection and military surveillance, heavy drones (payload ≥50kg) rely on high-torque, efficient BLDC motors...
As a professional supplier deeply engaged in the field of custom motor stator core processing for many years, we have been closely following every breakthrough in cutting-edge industry technology. On March 19, 2026, the new-generation Xiaomi SU7...
In cutting-edge industries such as FPV racing drones, heavy-duty industrial UAVs, eVTOL aircraft, precision medical robots, and aerospace servo motors, conventional electrical silicon steel cores have long hit their physical performance ceilings. To achieve smaller footprints, higher thrust, lower temperature rise, and greater stability, superficial optimizations of slot-pole configurations, winding methods, or magnet ratios are no longer sufficient. The critical breakthrough lies in the fundamental upgrade of core materials and manufacturing processes...
In-Mold Curing Self-Bonding Technology (Backlack) integrates chemical cross-linking directly within the precision stamping process. By completely replacing physical joinery, it opens an entirely new engineering pathway for high-efficiency motor manufacturing...
As a frontline customized stator core stamping supplier in China, we’ve been deeply embedded in the global motor lamination stack industry for over a decade. In an era where new energy vehicles (NEVs), high-efficiency industrial motors, ...
A comprehensive technical deep-dive into segmented stator design, manufacturing, and applications across EV, industrial automation, aerospace, and emerging industries...
The answer lies in an advanced manufacturing process at the stator and rotor lamination level: In-Mold Bonding Stator Cores (Backlack Technology)...
One of the most effective electromagnetic solutions to eliminate cogging torque and harmonic vibration is implementing helical skewed slots across the axial length of the stator or rotor lamination stack. By continuously shifting the slot profile, skewed designs smooth out magnetic reluctance variations between permanent magnets and iron core teeth...
In high-growth sectors such as electric vehicle (EV/HEV) traction motors, drone propulsion systems, medical robotics, and high-speed spindle motors, the demand for high frequency (>500Hz to 1kHz) and maximum power density has become paramount. However, core manufacturers have long been constrained by two major tradeoffs...
With the rapid iteration of humanoid robot technology, the performance of servo motors—the "joints" of these robots—directly determines the overall motion accuracy and response speed. As the core magnetic circuit component of this "motion heart," the precision, stacking factor, and core loss control of motor laminations have become the most critical pain points for global motor designers...
In the motor manufacturing sector, technical priorities are shifting rapidly. While industry discussions previously centered on stamping precision and stacking factors, the main focus for high-performance applications—such as humanoid robot actuators, eVTOL propulsion systems, and high-frequency BLDC motors—has turned to a crucial challenge: How can self-bonding (Backlack) technology break through power density and core loss bottlenecks?...
In today's society, motors, as an indispensable source of power in industrial production and daily life, directly affect the development of various fields...
In today’s power electronics landscape—where inverters and converters are rapidly advancing toward higher frequencies and higher power densities—core loss in reactors and inductors operating at 20 kHz and beyond has become a decisive factor limiting overall system efficiency and thermal management performance. Transitioning from raw soft magnetic material to a finished core introduces mechanical stresses and structural impacts that often severely degrade magnetic performance...
In the world of FPV racing drones and mini UAVs, the ultimate focus is always on power: How do we squeeze out more explosive thrust without adding weight? How do we ensure silk-smooth, linear throttle response at extreme RPMs? While many pilots and drone manufacturers laser-focus on magnets (NdFeB) and copper windings, they often overlook the hidden soul of the motor—the stator core. Generic, off-the-shelf standard cores simply cannot handle the grueling demands of an FPV drone's rapid start-stop cycles, ultra-high-frequency operation, and ultra-lightweight constraints...
Modern electric motors in EV traction, humanoid robotics, and aerospace demand higher torque density and sub-fractional iron losses. This comprehensive guide details how Segmented Stator Lamination Stacks paired with Backlack (Self-Bonding) technology push copper slot fill factors beyond 85%, eliminate eddy-current short-circuits, and reduce raw material scrap by up to 35%...
With the rapid explosion of the humanoid robotics and embodied AI industries, joint servo motors face unprecedented demands for power density, peak torque, dynamic response, and thermal management. Within tight space constraints, material selection and precision manufacturing of stator cores have become key bottlenecks defining motor performance limits...
As a specialized motor core manufacturer at the heart of the supply chain, Youyou Company stands at the forefront of industrial evolution. Entering 2026, the Brushless DC (BLDC) motor industry has moved beyond simple capacity competition. Today’s market is a "sprint for survival" defined by physical limits, material efficiency, and proprietary process moats...
As hands-on experts in electric motor core manufacturing, our primary focus is engineering execution—how to transform 3D magnetic flux designs into real-world components with precise tolerances, controlled iron losses, and robust structural integrity. Setting aside market forecasts and macro-level industry analysis, this article focuses purely on manufacturing processes, shop-floor challenges, and practical engineering solutions...
Okay, let's discuss in detail the advantages of using self-adhesive silicon steel in automotive drive motors and conduct an in-depth analysis...
In the FPV drone industry, pilots are surprisingly forgiving of "crashes," but they have zero tolerance for "performance degradation." As a factory deeply rooted in precision motor manufacturing, we are often asked: "Since everyone uses silicon steel, why are Backlack stator motors so much more expensive, yet top-tier brands are still fighting to get them in stock?"...
As a professional custom motor core manufacturer with decades of experience serving the global electric motor industry, we've witnessed firsthand the dramatic evolution in lamination assembly technologies. Today, we're seeing an undeniable shift away from traditional riveting and welding methods toward advanced self-bonding technology—and for good reason. This isn't just another manufacturing trend; it's a fundamental response to the escalating performance demands of modern high power density motors...
At Youyou Company, we reject "one-size-fits-all" machine shop practices. By integrating mechanical forming, thermal field management, magnetic domain control, and metallurgical phase transformation control, we deliver end-to-end, stress-managed 1J22 precision component manufacturing...
For electric motor manufacturers chasing higher power density, lower core losses, and superior reliability—especially in high-end automotive, aviation, and industrial applications—the choice of lamination material is make-or-break. That’s where VACODUR® 49 sheet material steps in: a premium 49% cobalt-iron alloy engineered for peak magnetic and mechanical performance, and our custom motor core processing turns this exceptional material into high-precision lamination stacks tailored to your exact electric motor specifications...
As a seasoned motor core processing factory specializing in linear motor laminations, we know firsthand that these components are the backbone of high-performance linear motion systems. From industrial automation production lines to electric vehicle (EV) powertrains...
As a professional motor iron core processing factory, we have been deeply engaged in the iron core manufacturing field for many years and fully understand the core value of the iron core as the "magnetic heart" of the motor...
As the heart of modern industry, the motor's stator and rotor lamination stacks in its internal structure are indispensable key components. Although they are both important parts of the motor, there are significant differences...
In core supply chains for aerospace, precision drives, and specialized electromagnetic equipment, 1J22 (Fe-Co-V / Hiperco 50) soft magnetic alloy bar stock serves as a critical functional substrate. Boasting ultra-high saturation magnetic flux density (Bs ≥ 2.4 T), high Curie temperature, low magnetic loss, and superior magnetostrictive properties, 1J22 is indispensable for iterative miniaturization, high power density, and high operational stability...
In the relentless pursuit of aerospace electric propulsion, high-performance drones (UAVs), and ultra-high-speed turbomachinery, motors are pushing the physical limits of "high speed, high power density, and lightweight design." However, as designers push rotational speeds beyond 30,000 RPM, and often toward 100,000 RPM, they encounter a critical, often prohibitive barrier: Thermal Management...
As a professional custom motor core manufacturing factory with years of experience, we have witnessed the gradual replacement of traditional integral cores by segmented (split) motor cores in many industries—especially in new energy vehicles (NEVs), industrial motors, and high-power equipment...
However, as a precision motor core processing factory specializing in custom stators and rotors, we frequently encounter a major trade-off during customer design implementation: Engineering teams want the ultra-high power density of Cobalt-Iron alloys alongside helical skewed slots to eliminate cogging torque, yet traditional processing methods often deform the material or ruin its magnetic properties...
Lamination stacks, comprising layers of materials bonded together, play a pivotal role across industries...
As a veteran in the motor core manufacturing industry, I know that in the race for motor efficiency, every micron of thickness and every Newton of bonding force matters. Today, Backlack (Self-Bonding Coating) technology has shifted from a "luxury niche" to a mandatory "entry ticket" for high-performance EV motors....
In the world of motor design, the stator core is like the heart of the motor. Its core responsibility is to efficiently convert electrical energy into magnetic energy, thereby driving the rotor...
In the race for higher power density and absolute reliability, High-Speed Traction Motors are facing unprecedented engineering challenges. As a specialized motor core customization factory, Youyou Company utilizes advanced Backlack (Self-bonding) technology to provide robust, efficient, and micron-level precision solutions for the next generation of traction systems...
JNEX-Core is the highest-grade non-oriented magnetic steel sheets manufactured with a production method (CVD process)...
JNEX-Core is the highest-grade non-oriented magnetic steel sheets manufactured with a production method (CVD process)...
A High Power Density Motor Stator Core Supplier for Global Drone Manufacturers — Enabling International Clients with Precision, Performance, and Partnership....
Linear motor stator cores are critical to the performance of high-end automation and semiconductor equipment, but traditional riveting and welding processes cause high losses, thrust ripple, and vibration that fail to meet today’s extreme precision and acceleration demands...
As a professional custom motor core manufacturing factory, we specialize in producing high-precision Hiperco 50 lamination stacks—engineered to unlock the full potential of high-performance motors. If you’re searching for a soft magnetic alloy solution that delivers exceptional power density, low core loss, and superior mechanical strength, Hiperco 50 lamination stacks are the answer.
Facing stringent challenges of 20,000+ RPM ultra-high speed, IE5+ efficiency grades, and extreme NVH requirements, traditional riveted/welded cores have reached their physical limits. Self-adhesive core technology, through the perfect integration of materials science and precision manufacturing, is redefining the performance boundaries of high-end motors.
In the field of motor manufacturing, the stator core is the core component, and its production process directly affects the performance of the motor. Today we will unveil the mystery of two key technologies - Direct Stacking Process and Large Rotation Process, and ...
This article thoroughly analyzes how In-Die Self-Bonding (Backlack) technology breaks the performance limitations of high-frequency motors through stress-free lamination and 100% full-surface insulation. It delivers dual value: empowering R&D teams to upgrade electromagnetic performance and enabling procurement & manufacturing teams to achieve full-lifecycle cost reduction and efficiency improvement...
In the R&D of high-performance motors (for eVTOL, F1 electric drives, and high-frequency spindles), engineers are often tasked with boosting torque by 20% without increasing volume. This stringent requirement points to Vacodur 49 (cobalt-iron alloy) as the ideal material and Backlack (self-bonding) as the optimal assembly process. As a professional manufacturer specializing in custom high-performance motor cores, Youyou Company...
In the fields of new energy vehicles and high-efficiency industrial motors, the demand for high speed, high efficiency, and low noise is continuously escalating. The traditional processes of riveting or welding motor cores have become bottlenecks limiting performance improvements. ...
Expert comparison of silicon steel, cobalt-iron alloys, amorphous metals and nanocrystalline cores for optimal motor efficiency and power density...
Amidst the increasingly fierce competition for high-efficiency motors, a seemingly simple process innovation is quietly changing the game in the industry...
As a professional custom motor core manufacturer with extensive experience serving the global industrial motor market, we understand that motor efficiency directly determines operational success across countless applications. From heavy industrial machinery and electric vehicles to precision medical equipment and aerospace systems, high-efficiency motors rely on precision-engineered stator laminations tailored to their unique demands...
Driven by the "dual carbon" goals, the global automotive industry is undergoing a profound transformation towards electrification. At the core of this transformation are increasingly stringent powertrain performance...
With the rapid development of high-end equipment industries such as new energy vehicles (NEVs), high-speed servo motors, and industrial robots, every breakthrough in motor performance is inseparable from the innovation of core components. As a factory with over 10 years of experience in motor stator core processing...
AmidstThe emergence of self-bonding stator cores—enabled by advanced adhesive laminations like Backlack...
Manufacturing Process Flow of Axial Flux Motor Stator...
In the pursuit of ultra-high efficiency, compact design, and superior dynamic response in modern electric motors—such as high-end servos, robotic actuators, and aerospace propulsion—the choice of soft magnetic materials is the ultimate tie-breaker. 1J50 (50Ni-Fe / Permenorm 5000 H2) has emerged as the "Gold Standard" for motor cores that demand peak performance...
As a custom stator lamination manufacturer with decades of experience serving demanding industries, we've witnessed firsthand the evolution of electric motor technology. From industrial automation to electric vehicles, each application has pushed the boundaries of what's possible in electromagnetic design and manufacturing precision. But nothing has challenged our capabilities quite like the emerging eVTOL (electric Vertical Takeoff and Landing) aircraft market...
In modern motor design, the stator and rotor are core components, and their performance directly affects the efficiency, power density and reliability of the motor. ..
In the era of global industrial upgrading, the motor industry, as the core power source of equipment manufacturing, is ushering in unprecedented development opportunities. From new energy vehicles to industrial automation, from smart home appliances to renewable energy power generation, every link is inseparable from high-performance motor cores...
VACODUR 49 is a 49% Co–Fe (cobalt–iron) soft magnetic alloy engineered to deliver extremely high magnetic saturation and robust mechanical strength, making it suitable for high‑performance electric motors and advanced custom magnetic core structures...
In the motor industry, stator and rotor cores are one of the important parts of the motor, and their quality directly affects the technical performance of the motor. The traditional method of making cores is to use ordinary dies to punch out stator and rotor punchings (loose sheets), align the sheets, and then use rivets, buckles or argon arc welding to make the core...
A permanent magnet synchronous motor uses permanent magnets embedded in the rotor to create a constant magnetic field, eliminating the need for brushes or slip rings...
Axial flux motors are extremely efficient motors. As a leading manufacturer in China, our company excels in precision manufacturing of custom axial flux stator laminations...
In high-end manufacturing fields such as new energy vehicles and industrial robots, performance breakthroughs in high-speed motors have become the core of industry competition...
As a motor core processing factory with years of hands-on experience in stator core production and assembly, we know that selecting a reliable stator core manufacturer is a make-or-break decision for motor performance. The stator core is not just a magnetic component—it’s a precision-engineered part that directly impacts iron loss, power density, and long-term reliability...
Motor core lamination prototyping is a key part of the development process for many motors. We provide our customers with the highest quality motor prototype stack services...
As a frontline custom motor lamination stack manufacturer in China, YOUYOU Tech has been deeply embedded in the global electric motor supply chain for over a decade. In an era where new energy vehicles (NEVs), high-efficiency industrial motors, and compact smart appliances demand ever-greater precision and performance, off-the-shelf laminations simply can’t keep up...
In the field of motor manufacturing, the laminated bonding technology of stator and rotor is a key link to ensure the performance and service life of the motor. This article will provide you with a detailed step-by-step guide...
In the precision world of motor manufacturing, lamination technology is the core for improving performance and efficiency, and the choice ...
In the motor industry's pursuit of higher efficiency, smaller size, and higher performance, every subtle technological innovation has the potential to trigger major changes in the industry chain...
In the field of precision surgical robots and implantable medical devices, motors are pushing the boundaries of miniaturization and ultra-high torque. Traditional silicon steel laminations have hit a physical bottleneck in magnetic saturation, becoming a major obstacle to the downsizing of robotic joints...
High-speed motors are widely used in many fields, such as the automotive industry, aerospace, industrial automation, medical equipment, etc. As an advanced manufacturing technology, motor stator lamination technology can provide high-precision, high-efficiency and high-power-density motor performance...
Electric motors are the backbone of modern industry, powering everything from household appliances to industrial machinery. At the heart of every motor lies the stator lamination, a critical component engineered to optimize performance, efficiency, and durability. In this blog, we’ll explore the key advantages of motor stator laminations and why they are indispensable in modern motor design...
As the electric vehicle industry is booming, electric motor technology, one of the core components, is iterating at an alarming rate......
The Advantages of Laser Cutting In Motor Lamination Production...
Get superior self-bonding lamination stacks in China. Innovative designs...
With the development of renewable energy technology, wind power generation has attracted widespread attention for its environmental protection and sustainability....
Motor Laminations — Benefits These Offer
In the rapidly evolving world of electric vehicles (EVs) and high-efficiency motors, self-bonding technology in motor lamination stacks...
As such, there is a need to laminate the stator core and insulate each laver.
Laser Cutting of Stator Laminations: A Key Technology For Efficient Energy Conversion...
The high-voltage motor is mainly composed of two parts...
Improve the efficiency of the final product...
Lamination stacks for motor cores are an essential component in the manufacturing of electric motors...
The laser/stamped single-piece silicon steel sheet is coated with varnish or epoxy resin on both sides, and then stacked, equipped with a clamp...
As a professional custom motor core manufacturer with extensive experience serving diverse industries from aerospace to industrial automation, we understand that the performance of electric motors directly determines the success of modern applications. From heavy-lift drones and electric vehicles to industrial machinery and renewable energy systems, high-performance motors rely on precision-engineered stator laminations...
Chinese Stator Lamination Manufacturer: Customizing High-Quality Motor Stator Cores...
Silicon steel increases the efficiency and effectiveness of any device that uses steel as a magnetic core material...
Stamping, also known as pressing, can be performed in conjunction with other metal forming processes and can consist of one or more of a range of more specific processes or techniques such as stamping, blanking, embossing, embossing, bending, Flanged and laminated....
4 main advantages of bldc slotless motor....
Youyou is a leading self-bonding motor lamination manufacturer in China. With over 10 years of experience in lamination manufacturing...
Difficulty Analysis of Stamping the Stator of Axial Flux Motor...
The micro linear motor stator is a miniaturized linear motor component with many unique advantages...
Using Yokeless Axial Flux Motor Stators In Electric Vehicles...
The working process of the disc motor (axial flux motor) stamping and punching coiler usually includes the following steps:...