#Micro NdFeB Magnet

[wallymagnet]

Micro magnet in ring shape

info@wallymagnet.com WhatsApp: 0086 15257962734 www.wallymagnet.com

[highkos]

Injection Ferrite Magnet

It is a mixture of resin (PA6, PA 12, PSS) & the Ferrite magnetic powder, after mix together with the additive, injective produced the magnet is called the injection ferrite magnet.

The magnetic power of the Injection Ferrite Magnet is comparatively lower than the Injection NdFeB Magnet, but the price is comparatively lower, this is best fits for the sensor magnetic rings, the micro motor that have complex shape and comparatively lower speed requirements.

[edgetechindustriesllc]

Overview of rare earth metals and intermediate alloys

The vast majority of single rare earth metals and their intermediate alloys are used to produce new rare earth metal materials such as neodymium iron boron, samarium cobalt permanent magnet, and super magnetostriction, and non-ferrous metal alloys such as AI-RE, Mg-RE, Cu-RE, Zn- RE, W-RE, Mo-RE, etc. In addition, there are a few rare earth metal applications that use some special properties to prepare functional materials.

Neodymium metal, praseodymium and praseodymium neodymium alloy

Neodymium has the hard-magnetic properties caused by the good 4f electron spin arrangement and has become the largest user of neodymium iron boron permanent magnet materials. In recent years, the global neodymium iron boron materials have developed rapidly, and the large application of neodymium metal in neodymium iron boron permanent magnet materials has driven the rapid development of the rare earth industry. In addition, neodymium metal as an alloy additive has good purification, modification and alloying effects on many non-ferrous metal alloys. Adding 1.5%-2.5% neodymium to magnesium or aluminum alloy can improve the high-temperature performance, airtightness, and corrosion resistance of the alloy.

Praseodymium is a synergistic element that can improve magnetic properties. Adding an appropriate amount of praseodymium to samarium drill permanent magnets and neodymium iron boron permanent magnets can effectively improve and improve the performance of permanent magnetic materials. Adding part of Pr to SmCo5 to replace Sm can improve the magnetic energy product of water magnetic materials. Adding 5% to 8% Pr to NdFeB, up to 10% can replace 13 neodymium alloy, which can improve the magnet's oxidation resistance, coercive force and mechanical properties. The neodymium alloy has become an independent product, which can be used not only in water magnetic materials, but also as a non-ferrous metal alloy modification additive.

Dysprosium and terbium

Metal dysprosium and dysprosium iron alloys and metal terbium and terbium iron alloys are used as modifying additives for high-performance NdFeB permanent magnet materials. Adding 2% to 5% of metal dysprosium and lower amounts of metal terbium in the NdFeB magnet can significantly improve the coercivity and service temperature of NdFeB permanent magnet materials. Dysprosium and terbium are essential elements for preparing rare earth giant magnetostrictive materials (Tb0.3 Dy0.7Fe1.95 alloy, called Terfenol-D). The magneto-optical properties of dysprosium and terbium are used to prepare amorphous thin-film RE-TM high-performance magneto-optical discs with transition metals. Dysprosium metal is alloyed with some nonferrous metals and precious metals, such as a film sputtering target with dysprosium added to a silver alloy, which can be used as a wiring film or a reflective film for flat panel display devices.

Samarium Metal

Samarium metal has excellent hard magnetic properties and is used as the main raw material for the preparation of SmCo5, Sm2Co17, Sm2Fe17Nx permanent magnet materials. The samarium thermal neutron trap has a large cross section, reaching 650 MPa, and the metal samarium is made into rods for controlling the number of thermal neutrons in the nuclear reactor. Samarium as a non-ferrous metal micro-alloying additive such as Cu added Sm to generate SmCu5 intermetallic compounds play a role in micro-alloying, improving the mechanical properties and workability of copper alloys.

Metal lanthanum

The metal lanthanum is active and used as a metal reducing agent. The thermal reduction process is used to reduce other rare earth metals. Lanthanum is also used as a purifying agent and modifier for non-ferrous alloys. It is usually used in the form of a lanthanum intermediate alloy. Lanthanum metal is used to make LaN5i alloy. It is an excellent hydrogen storage material. It can store about 160L of hydrogen per kilogram. It can absorb and release hydrogen. It can be used as a hydrogen purifier to purify hydrogen with a purity of 99.999%. To 99.9999%.

Metal yttrium, cerium, scandium and gadolinium

Metal yttrium and cerium are excellent scavengers and modification additives for nonferrous metals such as magnesium, aluminum, and titanium. Yttrium-magnesium alloy has good high-temperature mechanical properties and excellent high-temperature oxidation resistance, and is used as a lightweight structural material in aviation and aerospace. The addition of 0.5%-4% yttrium metal to the iron-chromium aluminum alloy can improve the oxidation resistance of the alloy, and increase the resistivity and high-temperature strength; iron-chromium-aluminum stainless steel containing metal cerium has been widely used as a metal platinum carrier for motorcycle exhaust purification catalysts. Scandium metal is a high-quality modified additive element of aluminum, magnesium and titanium. Adding 0.2%-0.4% Sc to aluminum can significantly improve the high temperature strength, alloy structural stability, welding performance and corrosion resistance of aluminum alloys. The world has developed a series of aluminum scandium and magnesium scandium alloys with excellent performance, which are ideal aerospace materials. Scandium metal is also used in neutron generators, which can produce high-energy neutrons and is a neutron source for activation analysis and geological prospecting. Gadolinium metal is a more suitable magnetic refrigeration material, and gadolinium and gadolinium intermetallic compounds are used as working materials for magnetic refrigeration. In addition, metal gadolinium and gadolinium-iron alloys have been used as neodymium-iron-boron hydromagnetic materials as additives to replace some of the metal dysprosium, which can not only improve the performance of the magnet but also make up for the lack of supply of metal dysprosium.

[mpcomagnetics]

NdFeB Flexible Magnets

NdFeB Flexible Magnets NdFeB Flexible Magnet is a kind of flexible permanent magnetic materials with high power, whose performance is more excellent than that of the ferrite magnet components, which could be used for various kinds of high powered micro-motors, which could compact the external dimension widely, and improve the motor performance. It is the originate in China. Production Process of…

[maglastic]

Magnetic Materials in Permanent Magnet Motors

https://www.maglastic.com/magnetic-materials-in-permanent-magnet-motors.html

Permanent magnet motors use permanent magnets to generate the magnetic field of the motor. It does not require an excitation coil or excitation current. It is a good energy-saving motor because of its high efficiency and simple structure. With the rapid development of various motors and the invention of current magnetizers, people have conducted in-depth research on the mechanism, composition and manufacturing technology of permanent magnet materials. A variety of permanent magnet materials such as carbon steel, tungsten steel, and cobalt steel have been discovered one after another. The magnetic material used in permanent magnet are neodymium iron boron, samarium cobalt and ferrite.

 The neodymium iron boron permanent magnet materials are called the "magnet king", and it was discovered in 1983. It has been 37 years since China and Europe and the United States simultaneously started industrialization in Japan in 1985. NdFeB permanent magnets are tetragonal crystals formed of neodymium, iron, and boron. According to different production processes, they can be divided into sintered NdFeB, bonded NdFeB and hot-pressed NdFeB. Due to different production processes, they have big differences in magnetic properties of product, post-processing and applications.

 Samarium cobalt permanent magnet material is a kind of rare earth permanent magnet, which is made of rare earth elements samarium, cobalt and other elements after proportioning. It has a high magnetic energy product and a very low temperature coefficient, with a maximum operating temperature of 350°C. Compared with neodymium iron boron, samarium cobalt permanent magnets are more suitable for working in high temperature environments. It can still maintain good temperature stability and chemical stability above 180°C. At the same time, it has strong corrosion and oxidation resistance. Therefore, it is widely used in aerospace, defense and military industry, microwave devices, communications, medical equipment, various magnetic transmission devices, sensors, magnetic processors, motors, magnetic cranes and so on.

 Ferrite permanent magnet materials are also called hard ferrites. This material has high coercivity and is not easy to demagnetize after magnetization. The raw materials for the preparation of permanent ferrites are mainly strontium oxide or barium oxide and iron trioxide (other chemical components such as cobalt (Co) and lanthanum (La) will be added to some specific high grades to improve their magnetic properties). Permanent ferrite is generally a magneto plumbite structure, which is mainly used for speakers, earphones, motors and various instruments.

 The use of injection molded ferrite, injection molded NdFeB and other injection molded magnetic materials in permanent magnet motors has gradually increased. It has been widely used in sensors, motor magnets and other fields, providing new design solutions for motor design, especially in the field of small and micro motors.

[rishengmagnets]

Neodymium Magnets

https://www.rishengmagnets.com/products/neodymium-magnets.html

Neodymium magnets (also called NdFeB magnets, Neo magnets) are consisted of Nd (neodymium), Fe (Ferrum), B (boron), and other elements like Dy (dysprosium) and Ti (Titanium). As part of the permanent magnet family, they are the latest generation of rare earth magnets. Neodymium magnets are extremely super strong magnets commercially available in the world, their pull force are quite strong compared to their own size, they have high magnetic remanence, high energy product and relative good coercive, due to these advantages, they are the most widely used magnets today.

 As a reputable neodymium permanent magnet manufacturer in China, RiSheng has various types of powerful magnets for sale, in our online shops and physical stores, with competitive price per kg, very cost effective. In terms of the size, our factory supplies not only the small series— paper thin, micro, tiny, mini, but also the big ones—large, huge, giant monster. Considering practical applications, we provide customized neodymium magnets. They are of different shapes: arc, rod, bar, ball, ring, disc, flat, block, sphere, eclipse, curved, bonded, rectangular, cylindrical, with countersunk holes; and are for different purposes and industrial uses: for cutting, drilling, grinding, machining, for therapy, water meter, etc. Some of them can be sintered, silicone coated, some can be made super strong, adhesive, waterproof. For the convinience of our customers, Risheng has already prepared relevant pdf files and videos about neodymium magnets. Contact us immediately, get cheaper price with best service.  

 Types Of Neodymium Magnets

Permanent Magnets

The Permanent Magnet

Permanent Magnet Materials

Permanent Magnetism

Most Powerful Permanent Magnet

Making A Permanent Magnet

Rare Earth Magnet Strips

Rare Earth Permanent Magnet

Iron Permanent Magnet

Powerful Rare Earth Magnets

 Grades Of Neodymium Magnets

We can manufacture and supply all the grades from energy product 35MGOe to 52MGoe and from N series to AH series.

 Grades of Neodymium Magnets

 Demagnetization Curves Of Neodymium Magnets

We list the performance of the highest grades with different series when demagnetization.

 Demagnetization Curves Of Neodymium Magnets

 Demagnetization Curves Of Neodymium Magnets

 Demagnetization Curves Of Neodymium Magnets.jpg

 Demagnetization Curves Of Neodymium Magnets.jpg

 Demagnetization Curves Of Neodymium Magnets.jpg

 Demagnetization Curves Of Neodymium Magnets.jpg

 Physical Properties Of Neodymium Magnets

A few main physical properties are listed, like density, curie temperature, etc.

 Physical properties of Neodymium Magnets

 Sizes & Tolerance Of Neodymium Magnets

We can produce different shapes, like a disc, cylinder, ring, arc segment, and custom complicated shapes, a wide range of sizes are possible with a few limits.

 The standard tolerances are generally +/-0.1mm, while slightly varies depending on how big the size is.

 Sizes & Tolerance of Neodymium Magnets

 Magnetization Of Neodymium Magnets

All Neodymium magnets are anisotropic and oriented with a preferred direction during production, they can only be magnetized thru the oriented direction. Disc/cylinder/ring magnets are axially or diametrically magnetized, block magnets are magnetized along one side of three sides, arc segment magnets are generally diametrically magnetized.

 Magnetization Of Neodymium Magnets

 Surface Coatings Of Neodymium Magnets

The corrosion resistance of Neodymium magnets is considered very poor, a surface coating will be necessary, the most common coatings are NiCuNi, Zn, Black Epoxy, Teflon/PTFE, Rubber/Plastic.

 Surface coatings of Neodymium Magnets

 Manufacturing Method Of Neodymium Magnets

Neodymium magnets are made by a sophisticated process using very advanced metallurgical methods, the main process is Rare earth raw materials - Quick curing - Strip casting - Hydrogen decrepitation - Milling - Pressing - Sintering - BH curve testing - Machining - Plating - Magnetizing - Packaging.

 Manufacturing Method

 Applications Of Neodymium Magnets

Neodymium magnets are widely used for industrial, technical, commercial, and consumer applications, the most common applications are motors/generators, sensors, audio equipment, holding/lifting systems, magnetic bearings, hard disc drives, levitation devices, magnetically coupled pumps, medical devices, magnetic separators, packaging closures, commercial signage/display.

[magnetic-holders]

Black Neodymium Magnets

https://www.magnetic-holders.com/products/black-neodymium-magnets.html

Rare earth Nd-Fe-B permanent magnet material is a kind of high performance and strong magnetic material, which is one of the key materials for miniaturization and super miniaturization of micro motor. However, this kind of material is very unstable in the air, and the larger size rare earth neodymium magnet is usually protected by electroplating or epoxy electrophoretic paint.

 Neodymium strong rare earth magnet with the coating is generally nickel, zinc, epoxy resin, etc. The color of NdFeB magnet surface will be different with different electroplating. The name of black neodymium(NdFeB) magnets comes from the coating of magnets. The surface of black rare earth neodymium(NdFeB) magnets are usually coated with epoxy. The epoxy coated rare earth neodymium magnets you get from Beilun Meank are with at least 3 layers(Nickel-Copper-Epoxy).

  Two processes of rare earth neodymium magnets with epoxy coated

One of the production principles for neodymium rare earth magnet with the epoxy coating is electrophoresis, which usually adopts the method of hanging plating, so there will be two small spots on the surface of the magnet to see the color of the bottom layer.

Another way for epoxy coated neodymium(NdFeB) rare earth magnets is spraying, by using spraying to make black epoxy coated rare earth neodymium NdFeB magnets, the surface of rare earth NdFeB magnets can be fully coated, but the coating is easy to fall off.

 All Available Surface Treatments for the Small Black Round Neodymium Magnets

Surface

Coating

Thickness (Microns)

Color

Resistance

Passivation

 1

Silver Grey

Temporary Protection

Nickel

Ni+Ni

10-20

Bright Silver

Excellent Against Humidity

Ni+Cu+Ni

Good Against Salt Spray

Zinc

Zn

8-20

Bright Blue

Excellent Against Salt Spray

C-Zn

Shinny Color

Superior Against Humidity

Tin

Ni+Cu+Sn

15-20

Silver

Superior Against Humidity

Silver

Ni+Cu+Ag

10-20

Silver

Superior Against Humidity

Gold

Ni+Cu+Au

10-20

Gold

Temporary Protection

Copper

Ni+Cu

10-20

Gold

Excellent Against Humidity&Salt Spray

Epoxy

Epoxy

15-25

Black, Red, Grey

Excellent Against Humidity, Salt Spray, Superior Against Solvents, Gases, Fungi and Bacteria, FDA Approved

Ni+Cu+Epoxy

Excellent Against Humidity

Zn+Epoxy

Resistance

Parylene

Parylene

5-20

Grey

Excellent Against Humidity

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity

[aliworldtrade]

Dongguan Maghard Flexible Magnet Co., Ltd.

86-769-85751928 18038242493

No. 82, Baihao Zhenxing Road, Houjie Town, Dongguan, Guangdong, China

Dongguan Maghard Flexible Magnet Co. Ltd was established in Sept.2002. The company is located in Baihao Industrial zone, Houjie town, Dongguan city, Guangdong Province, PRC (Near to the Humen high-speed railway station). It has an area about 10,000M2 and 300 employees. Maghard is specialized in manufacturing and supplying various kinds of bonded ferrite magnets. (Flexible magnet/ rubber magnet/ plastic magnet), magnetic products, bonded ferrite magnet powder, soft PVC micro-injection design and advertising gift, etc. Rolls, sheets, strips and specific shape, PVC, PET, PP, EVA, PSA laminated and all kinds of printing on surface is available upon customer’s requests. In addition, we also deal with sintered ferrite magnet, NdFeB magnet and Alnico magnet. Our annual output can be up to 5000 tons and we can produce all kinds of magnetic products over 100 million pieces with total sales of 10 million USD dollars. Our products can be used in advertising industry, stationery industry, toy industry, gifts industry, health care industry and electrical equipment industry etc.Maghard takes the “Top quality, Great Virtue” as company tenet and stick to our management idea as “Customer First, Continual Improvement”. We passed the ISO9001 quality management system certificate since 2003. We became a member of standing committee of Guangdong Industry Association in July 2008 and were approved to be a member of the China Cartoon & Animation Association in the same year. We passed the Intertek factory audit in August, 2008. Maghard is awarded as “Private Technology Enterprise” by Dongguan government in Match, 2009 and also awarded as “Patent Cultivating Enterprise” in May, 2010. We are awarded as “Private Scientific & Technological Enterprise” by Guangdong Scientific & Technological Office. Our products have good sale in Japan, USA, Asia, Africa and Europe. We have one Patent of invention and nine patents of utility new model. Our company is now developing steadily with growing output and increasing efficiency.

[markettrendus]

Global NdFeB magnets Market 2021 Industry Recent Study Including Current Trends and Development Factors by 2029 | GE, Bruel & Kjar, Kaman, Micro-Epsilon

Global NdFeB magnets Market 2021 Industry Recent Study Including Current Trends and Development Factors by 2029 | GE, Bruel & Kjar, Kaman, Micro-Epsilon

A new versatile research report on the Global NdFeB magnets Market is aimed at promising a unique approach towards an industry assessment of the NdFeB magnets market covering the most important factors driving the growth of the industry. The NdFeB magnets Market report makes available the current and forthcoming technical and financial details of the industry. It is one of the most comprehensive…

[shoppointy]

Non perderti neanche una nota !

Cuffie wireless senza fili con bluetooth aggiornato alla versione 5.0.

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[2gocamp]

S5 Pocket Sun LED Rechargeable Solar light for camping cars home and emergencies

FREE SHIPPING -USPS First Class PackageLights - Bright light with 18 - 0.5 watt LEDs - Four white light settings produce 26, 145, 290 or 585 lumens - Three red light settings for emergencies - steady, strobe, SOS strobe Rechargeable Batteries - Built in 6000mAh Li-ion battery - Single charge lasts from 6 hours on high setting, up to 100 hours on the lowest setting - Can be recharged by built in solar panel or USB charger. Depending on the available sunlight, the solar panel can recharge at a rate of up to 150mAh. It could take 40-50 hours of sunlight to completely recharge. Power Bank - Can charge other items like a Smartphone or GPS unit with the Micro USB or Apple Lightning adapter tips. Magnets - NdFeB N35 rare earth magnets help hold it to metal bases. (Slides down on vertical surfaces, can't stay in place). Size 3.25 x 5.1 x 1.25 inches (8.3 x 12.9 x 3.2 cm) Weight of the light - 11.5 ounces (326 gm) Weight of light and accessories - 12.5 ounces (353 gm) Additional Features - Carabiner to clip Pocket Sun to other objects - Adjustable base for better illumination or solar charging - New item, comes in shipping box, no original product box. Includes: S5 Pocket Sun light USB charging cord Carabiner Some photos have been cropped, and license plates blacked out, but otherwise have not been manipulated. Read the full article

[pmacblog]

Neodymium Iron Boron Market Future Scenario, Growth rate, Market Segmentation, and Industrial Opportunities to 2024

Industry Overview Of The Neodymium Iron Boron Market The Neodymium Iron Boron Market Insights and Future Forecast, Report 2019-2024 provides a specific tool for evaluating the global Neodymium Iron Boron market, specifying the growth potentials, and supporting tactical and strategic decision-making. This report identifies that in this quickly developing and competitive world, the latest marketing information is essential, in order to monitor performance and make strategic decisions for development and profitability. This report provides information on the overall market trends and development patterns, as well as focuses on the markets and materials, capacities and technologies, and on the dynamic nature of the Neodymium Iron Boron market. The objective of the study is to define Neodymium Iron Boron market sizes of different segments & countries in previous years and to forecast the values to the next eight years. The report is designed to incorporate both qualitative and quantitative aspects of the industry with respect to each of the regions and countries involved in the study. Furthermore, the report also caters the detailed information about the crucial aspects such as drivers & restraining factors which will define the future growth of the Neodymium Iron Boron market. Additionally, it will also incorporate the opportunities available in micro markets for stakeholders to invest, detailed analysis of competitive landscape and product offerings of key players. Avail a sample copy before purchase @ https://www.acquiremarketresearch.com/sample-request/144195/ Based on products type, the report describes major products type share of regional market. Products mentioned as follows:  Sintered Nd-Fe-B Magnet, Bonded Nd-Fe-B Magnets, Hot Pressed NdFeB Magnets Leading vendors in the market are included based on profile, business performance etc. Vendors mentioned as follows:  Hitachi Metals, Shin-Etsu, TDK, VAC, Zhong Ke San Huan, Yunsheng Company, YSM, JL MAG, ZHmag, BJM, AT&M, NBJJ, Innuovo Magnetics, SGM, Galaxy Magnetic, Zhongyuan Magnetic, Earth- Panda, Magsuper Based on Application, the report describes major application share of regional market. Application mentioned as follows:  Computer, Electronic Industry, Office Automation Equipment, Auto Industry, Others

Go For Special Pricing Offer @ https://www.acquiremarketresearch.com/discount-request/144195/ Market Highlights: A comprehensive analysis of the global Neodymium Iron Boron Market, which includes an evaluation of the said market. Rising trends by segments, sub-segments, and regional markets. Crucial changes in Neodymium Iron Boron market dynamics and overview. Market analysis up to the second or third level. Market shares and approaches of the leading competitors in the Neodymium Iron Boron Market. Present and future market size, in terms of both value and volume. In addition, This research study consists of the historical data and forecasts until 2024, which makes it a valuable source of information for all the individuals looking for relevant Neodymium Iron Boron market information in readily accessible documents with clearly presented graphs and statistics, including but not limited to the industry executives, analysts, consultants, and marketing, sales, and product managers. For More Details @ https://www.acquiremarketresearch.com/industry-reports/neodymium-iron-boron-market/144195/ You can request one free hour of our analyst’s time when you purchase this market report. Details are provided within the report.

[marketreportsonchina-blog]

China Neodymium Iron Boron Magnet Market Estimates and Forecasts to 2024

Market Reports on China Provides the Trending Market Research Report on “China Neodymium Iron Boron Magnet Market: Industry Trends, Share, Size, Growth, Opportunity and Forecast 2019-2024” under Chemical & Materials Category. The report offers a collection of superior market research, market analysis, competitive intelligence and Market reports.

China NdFeB magnet market reached a volume of 86,502 Tons in 2018, representing the world’s largest market. Neodymium - Iron - Boron (NdFeB) are the strongest types of permanent magnets commercially available. Neodymium Iron Boron Magnets have the highest energy product for their mass compared to other permanent magnets and create the strongest magnetic field. This strong magnetic strength allows for significant product miniaturisation, improved product performance, super strong adhesive force and reduced manufacturing costs. NdFeB magnets are available in a wide range of shapes, sizes and grades and can be found in a variety of applications such as high-performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors and loudspeakers.

Request a free sample copy of Neodymium Iron Boron Magnet Market Report @ http://www.marketreportsonchina.com/marketreports/Sample/Reports/1445349

The market for NdFeB magnets in China is strongly driven by the abundant availability of raw materials required for their production. China has the largest reserve of rare-earth minerals and holds a monopoly over the raw materials. However, since the regulations for exporting the raw materials have become stringent over the past few years, the industries that are dependent on these magnets have set up their plants in China in order to reduce their production costs. Some of the industries where the demand for these magnets is growing include electronics, medical devices, automobiles, wind industry, etc.

This latest report provides a deep insight into the China neodymium-iron-boron magnet market covering all its essential aspects. This ranges from macro overview of the market to micro details of the industry performance, recent trends, key market drivers and challenges, SWOT analysis, Porter’s five forces analysis, value chain analysis, etc. This report is a must-read for entrepreneurs, investors, researchers, consultants, business strategists, and all those who have any kind of stake or are planning to foray into the China neodymium-iron-boron magnet market in any manner.

Report Scope: Historical, Current and Future Market Trends

Market Breakup by Application: Automobile Electronics Power Generators Medical Industry Wind Power Others

Market Breakup by Region: Guangdong Jiangsu Shandong Zhejiang Henan Others

Market Breakup by Domestic Consumption and Exports: Domestic Consumption Exports Value Chain Analysis Key Drivers and Challenges Porters Five Forces Analysis PESTEL Analysis Government Regulations Competitive Landscape Competitive Structure Key Player Profiles

Key Questions Answered in This Report: How has the China neodymium-iron-boron magnet market performed so far and how will it perform in the coming years? What are the key regional markets in the China neodymium-iron-boron magnet industry? What is the breakup of the market based on the application? What is the breakup of the market based on the domestic consumption and exports? What are the various stages in the value chain of the China neodymium-iron-boron magnet industry? What are the key driving factors and challenges in the China neodymium-iron-boron magnet industry? What is the structure of the China neodymium-iron-boron magnet industry and who are the key players? What is the degree of competition in the China neodymium-iron-boron magnet industry? What are the profit margins in the China neodymium-iron-boron magnet industry?

Report Coverage: Base Year Considered: 2018 Historical Data Coverage: 2013-2018 Market Forecast: 2019-2024 Currency: US$ Geography Covered: China Segments Covered: Application, Region, Domestic Consumption and Export

Browse our full report with Table of Contents: http://www.marketreportsonchina.com/marketreports/china-neodymium-iron-boron-magnet-market-industry-trends-share-size-growth-opportunity-and-forecast-2019-2024/1445349

About Market Reports on China: Market Reports on China is thus the one-stop solution for the entire market research requirements with regards to China. We provide you with insight and analysis on the country’s economic outlook at the national, regional and city level, presenting deep understanding of disparities and evolutionary paths. Get a complete, consistent and concise view of your markets with comprehensive industry reports. Our latest regional databanks, forecasts, and detailed risk ratings will help you to identify risk and opportunities in every industry and develop strategic plans to deal with the competitiveness in the Chinese market.

Contact us: Market Reports on China Tel: +91 22 27810772 / 27810773 Email:info@marketreportsonchina.com Website: http://www.marketreportsonchina.com Follow us on: Twitter, Facebook, LinkedIn

[earbudsshop]

Wireless Headphones, Sound Intone P6 Stereo Bluetooth Headphones with Microphone Over-ear Foldable Portable... #gallery-205 { margin: auto; } #gallery-205 .gallery-item { float: left; margin-top: 10px; text-align: center; width: 33%; } #gallery-205 img { border: 2px solid #cfcfcf; } #gallery-205 .gallery-caption { margin-left: 0; } /* see gallery_shortcode() in wp-includes/media.php */

This product ship from USA.

Driver diameter: 40mm Impedance：32ohm Sensitivity:108dB +/- 3dB Frequency range：20-20000HZ Cable length:1.5M Microphone：yes Charging port:5 Pin micro usb Bluetooth protocol standards:4.0 Receiver frequency:10m Battery:300MAH Standby time:30（hours) Successive working time:6(hours)

Packing list: 1 pcs Headphone Manual warranty card 1 pcs 3.5mm audio cable 1 pcs MICRO USB charging cable WIRELESS and HASSLE FREE – Listening music becomes a hassle free experience with this incredible Bluetooth speakers – no more tangled cables, earplugs slipping out of ears, or ear pain due to uncomfortable ear pads – a perfect design that can be simply paired with any of your bluetooth enabled devices to enjoy seamless high-quality music. SUPERIOR PERFORMANCE – The speakers use CVC 6.0 broadband noise reduction technology to provide high clarity sound, and can play music for up to 6 hours (standby time 30 hours) with its 300MA explosion-proof polymer rechargeable battery. The noise reduction technology ensures that high quality clear music reaches your soul without any interference. The rechargeable battery can be easily charged through the micro USB port and gets fully charged in just 1.5 hours. ENHANCED BASS, HIGH IMPACT- Right bass can make a huge difference to the impact that any music can have. These incredible speakers support with TF card mode and use 3D HD stereo sound technology powered by professional brass amplifier chip to ensure powerful yet pleasant bass. In addition, use of 40MM NdFeB strong magnet speakers enhance the bass horn shock effect and widen the sound field – thus it lets you play HIFI sound levels. COMFORTABLE AND EASY TO USE – The speakers have an ergonomic design with stretchable headband (fits any head),advanced built-in microphone,and comfortable ear pads,you also can fold them into a compact form that’s easy to carry everywhere you go.The headphones have low battery alerts,smart power outage when fully charged and even can be used as wired headphone through the 1.5 m long audio cable that comes free with the speaker. WARRANTY – We provide one year warranty for the products,and it will be great to get more assistance from our authorised seller.These headphones also provide a way to reset the headphone for solving common bluetooth problems: Just turn on the headphone and make sure they are in bluetooth mode,then plug into your aux cord ,now enjoy your new headphone. [amz_corss_sell asin=”B01A0BRSDU”] https://earbudsshop.com

[hsmagnet]

HSMAG Customer Magnet Quotes

HSMAG Customer Magnet Quotes

HSMAG Customer Magnet Quotes

The following is the main content of some customers’ order and quote inquiries about magnetic components and magnets:

1 I WANT TO BUY AND SEND ME TO GREECE 32 PIECES N50 50X30X20 IS IT POSSIBLE? AND WHAT IS THE PRICE WITH TRANSPORTATION.

HSMAG Customer Magnet Quotes

2 How much is your cone magnets 1/2 inch at the base 2 with North on the top and then also south on the…

[dieselgeneratortech6]

What are Advantages and disadvantages of permanent magnet DC generator

Definition of permanent magnet DC generator

Permanent magnet DC generator is a kind of power generation device which transforms mechanical energy into electrical energy. It is a kind of permanent magnet DC generator with double permanent magnet and double winding structure.

Principle of permanent magnet DC generator

It is same as AC generator, using the electromagnetic induction principle of the electric potential induced by the cutting of the magnetic line of force to transfer the mechanical energy of the prime mover into electrical energy, then output electrical energy. It is composed of stator and rotor. The stator is the armature that generates electricity, and the rotor is the pole. The stator is composed of armature core, three-phase winding with uniform discharge, base and end cover, etc.

The rotor is usually of hidden pole type, which consists of excitation winding, iron core and shaft, retaining ring, central ring, etc. The exciting winding of the rotor is connected with DC current, which produces a magnetic field close to sinusoidal distribution (called rotor magnetic field). Its effective exciting magnetic flux intersects the static armature winding. When the rotor rotates, the magnetic field of the rotor rotates together with each rotation for one cycle. The magnetic line of force cuts each phase winding of the stator in sequence and induces three-phase AC potential in the three-phase stator winding.

The biggest difference between permanent magnet generator and self excited generator is that its excitation field is generated by permanent magnet. Permanent magnet is not only the magnetic source, but also the component of the magnetic circuit.

Advantages and disadvantages of permanent magnet DC generator

The permanent magnet DC generator has the advantages of small size, low loss and high efficiency. Today, the energy conservation and environmental protection are paid more and more attention to, so it is very necessary to study it. In many cases, it can be realized without brush, so it is mostly used by small and micro motors. When the variable frequency power supply is adopted, the permanent magnet motor can also be used in the speed regulating drive system. With the continuous improvement of the performance of permanent magnet materials, permanent magnet motors have been widely used in home appliances, medical devices, automobiles, aviation, national defense and other fields.

If using permanent magnet DC generator as a vehicle motor, permanent magnet DC generator has the advantages of high efficiency, energy saving, low carbon, large power and small size, but its output voltage is not easy to adjust, and has disadvantages of high frequency iron loss, high temperature of motor, large starting torque and other defects. In addition, the disadvantage of permanent magnet motor is that if it is not used properly, it may produce irreversible demagnetization under the armature reaction caused by impulse current or severe mechanical vibration when it works under high or low temperature, which may degrade the performance of motor and even make it impossible to use. Therefore, special attention should be paid when using permanent magnet motor.

The permanent magnet DC generator has a variety of magnetic circuit structures. The leakage circuit is very complex and the proportion of leakage flux is large. The ferromagnetic material is easy to saturate, and the magnetic conductivity is nonlinear. All of these increase the complexity of the electromagnetic calculation of the permanent magnet DC generator and make the accuracy of the calculation result lower than that of the excitation generator.

Three problems of permanent magnet generator

1.Control problem

The permanent magnet DC generator can maintain its magnetic field without external energy, but it is also very difficult to adjust and control its magnetic field from the outside. However, with the rapid development of the control technology of power electronic devices, the permanent magnet generator only controls the motor output without magnetic field control.

2.Irreversible demagnetization

In case of improper design and use, when the temperature of permanent magnet generator is too high (NdFeB permanent magnet) or too low (ferrite permanent magnet), it may produce irreversible demagnetization or demagnetization under the action of armature reaction generated by impulse current or severe mechanical vibration, which may reduce the performance of motor and even make it unable to use.

Therefore, it is necessary to research and develop methods and devices suitable for the use of motor manufacturers to check the thermal stability of permanent magnet materials, as well as analyze the anti demagnetization ability of various structural forms, so that corresponding measures can be taken to ensure that the permanent magnet generator will not lose field in the design and manufacture.

3.Cost problem

Because the price of rare earth permanent magnet materials is still relatively expensive, the cost of rare earth permanent magnet generator is generally higher than that of electric excitation generator, but it will get better compensation in the high performance and operation of the motor. The cost price of the product under development is slightly higher than that of the current general generator, but we believe that with the further perfection of the product, the cost problem will be solved well.

We not only provide technical support, but also supply diesel generator set, if you have purchase plan, welcome to contact us by sales@dieselgeneratortech.com.