Explore our premium sintered NdFeB motor segments, block magnets, and custom holding assemblies optimized for robotic joints and precision actuators.
As a national high-tech enterprise, Zhejiang Laysun Magnetics Ltd. has spent over two decades pioneering the synthesis, fabrication, and precision processing of high-performance rare-earth Neodymium Iron Boron (NdFeB) materials. Headquartered in Hangzhou, with a robust manufacturing facility sprawling across 100,000 square meters in Suining, Sichuan, we bridges the gap between raw material engineering and highly complex automation requirements.
Our commitment aligns directly with the modern developments documented in prestigious international publications like the Robotics and Automation Letters. These academic and industrial guidelines emphasize low detent torque, high remanence, micro-scale geometries, and exceptional thermal stability—exactly the characteristics we engineer into our OEM and ODM magnet components.
An in-depth look at how advanced permanent magnets serve as the critical muscle in modern humanoid robots, cobots, and medical systems.
In robotic design, academic literature routinely demands actuators with high power-to-weight ratios, minimal cogging torque, and high dynamics. These variables depend entirely on the quality of NdFeB magnets. Standard industrial magnets fail under the severe thermal and mechanical stresses of rapid joint acceleration. We design our sintered NdFeB solutions specifically to satisfy these strict operational tolerances.
The global surge in automation has shifted the requirements for permanent magnet exporters. Humanoid robotics (such as Tesla Optimus or Boston Dynamics Atlas) use frameless BLDC motors in their joints. These require custom arc segments, multi-pole ring magnets, and extremely high-energy-density magnet blocks. As industrial plants worldwide pivot towards light-weight, high-torque collaborative robots (cobots), the demand for high-grade rare-earth magnets has experienced double-digit compound annual growth.
Simultaneously, the geopolitical distribution of raw materials makes reliability and production scale critical factor for global supply chains. With our 5000-ton capacity, Zhejiang Laysun Magnetics guarantees long-term material stability and strict adherence to strict environmental regulations, making us a vital export partner for Tier 1 automation firms in Germany, the USA, Japan, and South Korea.
Our engineered magnetic solutions are developed for and deployed in diverse, high-value automated ecosystems.
Enabling high-torque, backlash-free rotational control. Precision ring magnets and custom arc segments supply the clean magnetic flux needed for high-frequency servo motors.
Minimizing rotor weight is crucial for aerial agility. Our ultra-light sintered NdFeB blocks allow drone motors to achieve high thrust-to-weight ratios with optimal thermal profiles.
Our large-scale sintered block magnets support heavy-duty EV power-trains, delivering consistent high-torque output under highway and urban driving cycles.
Providing handheld brushless tools with the torque profiles needed to cut, drill, and fasten, while extending battery runtime through reduced magnetic core loss.
High-coercivity micro magnets for haptic engines, camera autofocus modules, and magnetic connection arrays (such as Magsafe and smart device charging pads).
Powering high-efficiency compressors and motors in modern refrigerators, washing machines, and air conditioners to reduce electricity consumption.
At Zhejiang Laysun Magnetics Ltd., we continuously invest in advanced manufacturing technologies to keep pace with next-generation robotic requirements:
Our raw materials, manufacturing workflows, and finished assemblies undergo rigorous testing. We maintain certification protocols across ISO standards to ensure seamless integration into international industrial pipelines.
API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, TS. Contact us for complete compliance documentation.
Answering key technical questions regarding the deployment of Neodymium Iron Boron magnets in smart automation.
NdFeB (Neodymium Iron Boron) provides the highest maximum energy product (BH)max of any commercially available magnetic material. This allow engineers to design smaller, lighter joints for robots while retaining high torque. This is critical for dynamic balance, payload capacity, and overall responsiveness.
NdFeB magnets exhibit a negative temperature coefficient, meaning magnetic flux decreases as temperature rises. If the operating temperature exceeds the magnet's maximum rating (e.g., 80°C for N grades, up to 240°C for AH grades), irreversible demagnetization can occur. We engineer custom-doped materials with high intrinsic coercivity (Hcj) to maintain stability in high-temperature applications.
Cogging torque, or detent torque, causes unwanted vibration and positioning errors. To reduce this, we machine magnet segments with skewed edges, optimize pole counts, and utilize ring magnets with multi-pole magnetization. These techniques smooth out rotation and improve positioning accuracy in precision servo drives.
For cleanrooms, semiconductor production, and medical robots, outgassing and particle shedding must be prevented. Electroplated nickel-copper-nickel (Ni-Cu-Ni) or epoxy coatings are highly recommended, as they offer excellent physical barriers, low contamination risks, and reliable chemical resistance.
With our 100,000 m² production facility and automated sintering furnaces, we closely control every stage of manufacturing—from raw material formulation to slicing and final magnetization. We utilize automated optical inspection (AOI) and advanced flux testing equipment to verify that each magnet meets the required specifications.
Providing high-coercivity, low-weight magnetic components to support global logistics and smart manufacturing initiatives.
Leverage our 25 years of technical expertise, large-scale production facilities, and robust supply chains.
Whether you require custom dimensions, specific thermal grades, or specialized magnetic orientations for robotics actuators, Zhejiang Laysun Magnetics Ltd. can deliver the precision and consistency your projects demand.
Receive a detailed quote, structural drawings, or material datasheets within 24 hours.
Laysun Magnetics