Explore our foundational range of NdFeB and magnetic assemblies engineered to fuel high-precision robotic servo motors and automation lines.
Leveraging state-of-the-art technological infrastructure to power next-generation aerospace, electric drive systems, and heavy industrial automation.
The global shift towards Industry 5.0 has redefined the role of industrial automation and mechanical robotics. Today, precision manufacturing, humanoid development, and automated guided vehicles (AGVs) depend heavily on the torque density and responsiveness of drive systems. Modern robotic systems require actuators that deliver maximum output while maintaining a compact, lightweight footprint. This physical parameter is directly determined by the quality and thermal stability of permanent magnets.
In highly automated environments like semiconductor manufacturing, automated logistics, and smart automotive plants, permanent magnet synchronous motors (PMSMs) and brushless DC (BLDC) motors serve as the foundational muscles. Neodymium iron boron (NdFeB) magnetic materials supply the magnetic flux densities required to operate these systems continuously and with high positioning accuracy. The global market's transition to higher automation levels translates to a massive, structural increase in demand for rare earth magnetics designed for robotics.
Robotic joints require precise control over velocity, acceleration, and position. Linear actuators, particularly Voice Coil Motors (VCM), are widely used in high-speed pick-and-place equipment, electronic components assembly, and micro-positioning tables. Voice coil motors operate on the Lorentz Force principle, where current passing through a coil interacts with a static magnetic field generated by custom neodymium magnets. This setup provides high linear acceleration and zero cogging torque, enabling sub-micron precision.
For rotational joints, multi-axis robots utilize BLDC servo motors. These motors depend on high-coercivity arc segments or ring magnets. Sintered NdFeB magnets with high energy products (up to N54 or 52SH grades) allow motor designers to optimize the air-gap flux density. This design maximizes output torque while minimizing the rotor inertia. It enables cobots (collaborative robots) to execute dynamic trajectory profiles smoothly and respond immediately to sudden payload changes.
Our dynamic production facilities employ automated grading, sintering, and machining technology to ensure high tolerances. Watch our process flow video to see how high-coercivity rare earth magnets are manufactured and verified under strict laboratory conditions.
The environment inside robotic joints can be harsh, with localized temperatures reaching 150°C. Standard neodymium magnets suffer from thermal demagnetization under these conditions. To address this challenge, our material science engineering focuses on three key innovations:
Modern manufacturing requires modular automation. In automated warehouses, autonomous mobile robots (AMRs) run 24/7 on high-performance brushless wheel hub motors powered by our custom magnetic segments. In automotive steering, electric power steering (EPS) motors rely on custom ring magnets to provide consistent power assist across varying thermal conditions. Industrial drone propulsion systems use lightweight, ultra-thin NdFeB magnet blocks to maximize air time and torque-to-weight ratios.
How Zhejiang Laysun Magnetics Ltd. provides structural benefits for robotics OEMs, industrial integrators, and motor manufacturers globally.
We deploy vacuum induction melting furnaces and advanced strip casting technologies to eliminate impurities. This results in uniform grain size distribution, optimizing magnetic consistency across large production batches.
From complex arc segments for high-speed brushless motors to micro-discs for sensors and voice coil magnets, we utilize precision diamond cutting and wire-EDM slicing to meet tight structural tolerances (+/- 0.05mm).
Our processes adhere to ISO 9001:2015, ISO 14001, and ISO 45001. We maintain testing standards with HAST (Highly Accelerated Stress Test) and PCT chambers to verify long-term magnetic stability.
Founded at the turn of the millennium in 1999, Zhejiang Laysun Magnetics Ltd. has evolved from a regional magnetic material specialist into a national high-tech manufacturing leader in rare earth NdFeB magnets. Over the past 25 years, our operational footprint has expanded to a state-of-the-art 100,000 square meter facility in Suining, Sichuan. Our dedicated workforce of 300+ engineering and manufacturing specialists drives an annual production capacity of 5,000 tons of rare earth magnets.
We work closely with industrial automation providers and robotics motor manufacturers globally. By providing comprehensive customization options, from material formulation to post-magnetization testing, we help our partners optimize their system efficiency and reliability.
Technical answers to help engineering teams specify, design, and purchase permanent magnets for industrial automation applications.
Our quality management systems are verified by international auditing bodies to meet strict safety and operational standards.
Need custom magnetic designs for robotics, automated assembly lines, or high-efficiency brushless motors? Partner with Zhejiang Laysun Magnetics. Our engineering team responds to all custom RFQs with detailed pricing, magnetic simulations, and lead-time estimates within 24 hours.
Inquire for Pricelist & QuotesExplore additional high-performance configurations, lifting systems, and multi-pole ring assemblies designed for automated operations.
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