[Mechanical Design] Submission on "Latest Trends in Motor Magnetic Design"

Publication of an explanation of vector magnetic characteristic analysis technology for the realization of high-efficiency motors!

This document explains the vector magnetic characteristic analysis technology for achieving high-efficiency motors. This technology is supported by Professor Masato Enokizono (Emeritus Professor at Oita University, currently the representative of the Vector Magnetic Characteristic Technology Research Institute), and we have cited information from the Vector Magnetic Characteristic Technology Research Institute, which is headed by the professor. [Contents] 1. The target is the reduction of iron loss in electromagnetic steel sheets. 2. Iron loss is the sum of eddy current loss and hysteresis loss. 3. Vector magnetic characteristics of electromagnetic steel sheets. 4. Conventional measurements are scalar magnetic measurements. 5. Developed vector magnetic measurements. 6. Actual measurement results. 7. Database creation as magnetic characteristics. *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

Supports low loss and high efficiency of EV motors! Capable of analyzing rotating magnetic fields and hysteresis.

"μ-E&S" is a loss analysis software that can simulate the distribution of magnetic flux density, magnetic field, and iron loss based on actual measurements of motor laminated iron cores. By analyzing vector magnetic characteristics, it can identify areas where iron loss occurs significantly, making it a useful tool for the miniaturization, lightweighting, low loss, and high efficiency of motors. 【Features】 ■ High-precision calculation of magnetic vectors ■ Capable of calculating rotating magnetic fields and hysteresis ■ Equipped with permanent magnet excitation function and torque calculation function *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Magnetic field analysis/electromagnetic wave analysis

Publication on vector magnetic characteristic analysis technology for achieving high-efficiency motors!

This document is a technical column edited and compiled based on the content related to "Vector Magnetic Characteristic Analysis" mentioned in past newsletter columns. We would like to disseminate information about the importance of vector magnetic characteristic analysis technology for achieving high-efficiency motors. [Contents] ■1. Vector Magnetic Characteristic Analysis Technology - Prologue - ■2. Top Runner Method and IE4 ■3. Inverter Technology and Energy Saving ■4. Will Increasing Size Lead to IE3? ■5. Electrical Steel Sheets are Excellent ■6. Focus on the Vector Magnetic Characteristics of Electrical Steel Sheets *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

A comparison of the magnetic field and iron loss distribution of IPM (Interior Permanent Magnet) motors using vector magnetic characteristic analysis and conventional method analysis!

This document presents an analysis example aimed at comparing the magnetic field and iron loss distribution of IPM (Interior Permanent Magnet) motors using vector magnetic characteristic analysis and conventional method analysis. It provides a detailed explanation of the analysis model and objectives, as well as the results of magnetic flux lines, magnetic field distribution, and iron loss distribution. 【Contents】 ■5.1 Analysis Model and Objectives ■5.2 Analysis Conditions and Calculation Time ■5.3 Magnetic Flux Lines, Magnetic Field Distribution, Iron Loss Distribution Results ■5.4 Comparison with Conventional Methods ■5.5 Results of Angle θB and Aspect Ratio α Distribution ■5.6 Hysteresis Curve and Lissajous Waveform Results *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

A basic analysis example aimed at the iron loss distribution of SPM (Surface Permanent Magnet Motor) is presented!

This document presents a basic analysis example aimed at the iron loss distribution of SPM (Surface Permanent Magnet) motors. It provides a detailed explanation of the analysis model and objectives, as well as the magnetic flux lines, magnetic field distribution, and iron loss distribution results. [Contents] ■4.1 Analysis Model and Objectives ■4.2 Analysis Conditions and Calculation Time ■4.3 Magnetic Flux Lines, Magnetic Field Distribution, Iron Loss Distribution Results ■4.4 Results of Inclination Angle θB and Aspect Ratio α Distribution ■4.5 X-Direction Hysteresis Curve Results ■4.6 Y-Direction Hysteresis Curve Results ■4.7 Lissajous Waveform Results ■4.8 Current Waveform Results *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

An example of analysis using a transformer model with directional materials is published!

This document presents an analysis example using a transformer model with directional materials. It provides a detailed explanation of the analysis model and objectives, as well as the results of magnetic flux lines, magnetic field distribution, and iron loss distribution. [Contents] ■3.1 Analysis Model and Objectives ■3.2 Analysis Conditions and Calculation Time ■3.3 Results of Magnetic Flux Lines, Magnetic Field Distribution, and Iron Loss Distribution ■3.4 Results of Angle θB and Aspect Ratio α Distribution ■3.5 Results of Hysteresis Curve in the X Direction ■3.6 Results of Hysteresis Curve in the Y Direction ■3.7 Results of Lissajous Waveform ■3.9 Results of Current Waveform *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

An example of analysis using a model of non-oriented electrical steel sheet formed into a ring shape is presented!

This document presents an analysis example using a model of isotropic electromagnetic steel sheets shaped into a ring. It provides detailed explanations on various topics, including the ring model voltage source (differences in steel materials), magnetic field distribution, and iron loss distribution results. [Contents] ■2.1 Analysis Model and Objectives ■2.2 Analysis Conditions and Calculation Time ■2.3 Magnetic Field Distribution and Iron Loss Distribution Results ■2.4 X-Direction Hysteresis Curve Results ■2.5 Y-Direction Hysteresis Curve Results ■2.6 Current Waveform Results *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

An example of analysis using a model of non-oriented electrical steel sheet shaped into a ring is presented!

This document presents an analysis example using a model of isotropic electromagnetic steel plates shaped into a ring. It provides a detailed explanation of the ring model voltage source, as well as comparison results with measured values of the hysteresis curve. 【Contents】 ■1.1 Analysis Model and Objectives ■1.2 Analysis Conditions and Calculation Time ■1.3 Magnetic Field Distribution and Iron Loss Distribution Results ■1.4 Alternating Magnetic Flux and Rotating Magnetic Field Results ■1.5 Comparison Results with Measured Values of the Hysteresis Curve ■1.6 Current Waveform Results ■1.7 Interface Settings Screen *For more details, please refer to the PDF document or feel free to contact us.

• PM motor

Aiming for low loss, accurately measure the actual state of electromagnetic materials and understand and analyze their vector magnetic properties! Supporting low loss and high efficiency for EV motors and more.

This is an introduction to the next-generation iron loss evaluation method, the "E&S Model." Based on an evaluation method called vector magnetic characteristics, it has become possible to obtain a more detailed analysis of the loss distribution in steel materials compared to conventional methods. It can calculate high-precision magnetic fields, magnetic flux densities, and iron loss distributions that are not achievable with other software. 【Features】 - By considering vector magnetic characteristics, magnetic vectors can be calculated with high precision. - It can compute rotating magnetic fields and hysteresis. - It is designed as an easy-to-use tool specifically for iron loss evaluation. - It includes permanent magnet excitation functionality and torque calculation functionality. *For more details, please contact us or download the PDF.

• Magnetic field analysis/electromagnetic wave analysis

Aiming for low loss, accurately measure the actual state of electromagnetic materials and grasp and analyze their vector magnetic characteristics!

Iron loss evaluation, which has been a bottleneck in motor analysis. Conventional methods only consider iron loss as a function of magnetic flux density, resulting in low accuracy. However, accurately determining the magnetic field and magnetic flux density to calculate iron loss is achieved through "vector magnetic characteristic analysis." This allows for the calculation of high-precision distributions of magnetic fields, magnetic flux densities, and iron losses that are not achievable with other software. Vector magnetic characteristics refer to the properties that take into account the relationship between the magnetic field H and magnetic flux density B of electromagnetic steel materials, considering their direction (vector). The finite element method electromagnetic field simulator that incorporates this characteristic is “μ-E&S.” 【Features】 - High-precision calculation of magnetic field vectors is possible by considering vector magnetic characteristics. - Rotating magnetic fields and hysteresis can be calculated. - It is designed as an easy-to-use tool specifically for iron loss evaluation. *For more details, please request materials or view the PDF data available for download.

• Magnetic field analysis/electromagnetic wave analysis

Fukuda Corporation has been pursuing leak detection for 60 years and is dedicated to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing performance. We will propose suitable testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

This is a collection of links to Fukuda's technical columns. It covers various topics related to leak tests and more... Please check the related links for more information.

The hyper CLT sheets come in two sizes: 5×10 and 5×20. Key points for selection include the size of the site, the installation location, the heavy machinery used, and the frequency of replacement. The 5×10 sheet measures approximately 1.5m × 3m and weighs about 230kg. It is easy to handle even with small machinery, making it suitable for sites where partial installation is desired, such as worker pathways, around rest areas, material yards, and temporary parking lots. A 10-ton truck can carry up to 40 sheets, which also enhances transportation efficiency. On the other hand, the 5×20 sheet measures approximately 1.5m × 6m and weighs about 460kg. It can cover a large area with a single sheet, making it suitable for long access roads, temporary roads, and spacious heavy machinery work yards. It is also characterized by its ability to reduce seams. In some cases, combining both sizes can be an effective approach. The hyper CLT sheets are civil engineering CLT materials utilizing wood and are registered with the Ministry of Land, Infrastructure, Transport and Tourism under the NETIS technology "TH-250021-A." Choosing the right size according to site conditions can enhance workability and usability.

Metal cracks are one of the concerns in equipment maintenance operations. Conventional welding methods for repairs can change the base material around the crack due to heat, leading to residual stress and deformation, which always carries the risk of "crack recurrence" and "secondary damage." Hinode Waterworks Equipment Co., Ltd.'s "Mechanical Stitching Method" is a new technique that allows for metal crack repairs without applying heat. By using special bolts and reinforcement plates, the crack is physically removed without affecting the base material at all. Repairs can be made even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. For more details, please contact us or download the catalog.

Japan is among the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of significant earthquakes occurring. For the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake measures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" ◎ For more details, please download the materials or contact us.