With a reversal of thinking, significantly reduce power consumption during high-speed rotation and low output!
Currently, traditional magnets are once again coming into the spotlight. One example of this research is the application of next-generation magnetic flux variable motor technology aimed at achieving higher efficiency in the fields of hybrid vehicles (HEVs) and electric vehicles (EVs). Traditionally, it has been considered good for magnets to have "strong and unchanging magnetic force," but this new approach is born from the idea that "easily changeable magnetic force" can also be a feature. Using this research as an example, I would like to introduce the future possibilities of magnets. [Case Study: Magnetic Flux Variable Motor] <Conventional Technology: Increased power consumption in high-speed rotation and low output> ■ Factor 1: Resistance loss due to weakened magnetic flux current ■ Factor 2: Forced reverse magnetic field → Magnetic losses occur → Efficiency decreases ↓ <New Concept Technology Research: Significantly reduce power consumption in high-speed rotation and low output> ■ Variable magnetic force technology that achieves reduction of magnetic losses → Changes the magnetic force of permanent magnets ■ Passing short pulses of electric current ⇒ Variable magnetic force of permanent magnets → Significant reduction in magnetic losses → Increased efficiency ■ Research technology that eliminates the need for "weakened magnetic flux control," which is a challenge of conventional technology. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【What is a flux-variable magnet that easily changes magnetic force】 ■ Magnetization and demagnetization can be easily achieved with a low external magnetic field ■ Polarity can be reversed as many times as needed 【Our proposed magnets】 ■ Iron-chromium-cobalt magnet "FeCrCo magnet" ■ Alnico magnet "AlNiCo magnet" < Possesses characteristics of low holding force and high magnetic flux density > *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Examples of Applications for Variable Magnetic Flux Magnets】 <Applications Already Commercialized> ■ Motors capable of switching between high torque and high rotation ■ Torque limiters ■ Hysteresis-type clutches/brakes ■ Magnetic reversal elements ■ Keep-type solenoids, etc. <Expected Applications> ■ HEV/EV ■ Transportation equipment such as railways ■ Wind power generation ■ Washing machines and vacuum cleaners with high speed ratios ■ Household appliances such as air conditioners and refrigerators with compressors *For more details, please refer to the PDF document or feel free to contact us.
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Company information
A technical sales company that conducts contract manufacturing with partnered manufacturers in China. We produce Alnico magnets, FCC magnets, and Sm-Co magnets with a strong focus on quality at our partnered manufacturers in China. With extensive experience guiding Chinese manufacturers since 2004, we have instructed them in Japanese magnet manufacturing and management techniques, leading them to mass production. Our team consists of engineers who have long been involved in manufacturing at Japanese companies, and together with our partner manufacturers in China, we will continue to supply magnets to keep the flame alive for those that have seen reduced production in Japan. We manage the entire process from manufacturing to delivery in-house. To ensure our customers can use our products with confidence, we handle all quality control from the manufacturing process to delivery. For this purpose, we present our own inspection standards and QC process charts to our partnered manufacturers, based on specifications agreed upon with our customers, separate from the local manufacturers' quality control systems, ensuring that we handle products manufactured under strict quality management. We have a dual inspection check system with our contracted manufacturers. The products inspected by the contracted manufacturers undergo a rigorous acceptance inspection by our inspection department based on the inspection standards, and only the products that pass this inspection are delivered to our customers.