3 main elements of a magnet:
Usually by 4 parameters the magnetic property of a magnet can be identified say.
Residual Magnetism (Br): the unit is Gs/mT, 1mT equals 10Gs;Coersive force (Hcb): the unit is Oe;Intrinsic coersive force (Hcj): the unit is Oe;Maximum product energy (BHmax): the unit is...
Pot magnet or mount magnet provides up to thirty times the strength of individual magnets, making them useful in many industrial applications in the construction, engineering, automotive, electronic and agricultural industries, etc.
Usually, Pot Magnets are used for mounting, lifting,...
SmCo1:5 magnet is also named SmCo5. Prorated with metallic samarium,cobalt and metallic praseodymium, are firstly those roughcasts with different properties and grades after series technology processing from melting, milling, and pressing to sintering in order. The (BH) max range is from 16 to...
The magnetic force of permanent magnet can stay for a long time but it is not really permanent. There are 8 factors which will affect magnetic force.
1.The material formulation: Material formulation limits magnetic properties fundamentally. Sintered ndfeb magnet is the strongest and alnico is the...
When you talk about modern wind turbines, you're looking at two primary designs: horizontal-axis and vertical-axis. Vertical-axis wind turbines (VAWTs) are pretty rare. The only one currently in commercial production is theDarrieus turbine, which looks kind of like an egg beater.
In a VAWT, the...
Using high-performance rare earth permanent magnet materials, no carbon brushes, permanent magnet synchronous gearless traction machine can drive efficiency up to 90%. It effectively improves the energy efficiency with energy saving, environmental protection, low speed and high torque...
What is rubber magnets / plastic magnets / flexible magnets
Rubber magnets is made of bonded ferrite magnet powder (SrO6Fe2O3), compound rubber (CPE) and other materials (EBSO, DOP) etc. By extruding, rolling or injecting, the combination can be made into soft, plastic and flexible...
What exactly makes a magnet stick to certain metals? By extension,why don't they stick to other metals? Why do they attract or repel each other, depending on their positioning? And what makes neodymium magnets so much stronger than the ceramic magnets we played with as children?
To understand the...
The most used magnetic materials sintered NdFeB magnets, SmCo Magnets, AlNiCo magnet and Ceramic magnets are compared from different aspects as follows:
Prices: SmCo magnets the most expensive, Sintered NdFeB magnets the second and the cheapest is Cermaic magnets;Intrinsic coercive force: SmCo...
Wind energy represents the most competitive renewable energy source and many countries have set ambitious targets for wind energy.
Renewable energy sources, like windenergy, create new challenges for electricity systems in terms of planning and operation. In addition, many transmission systems...
A Halbach array is a specific arrangement of a series of permanent magnets. The array has a spatially rotating pattern of magnetism which cancels the field on one side, but boosts it on the other. The main advantages of Halbach arrays are that they can produce strong magnetic fields on one side...
The height tolerance for magnets is typically ± 0.05mm, but some products might require ± 0.03mm. If the parallelism of the magnetic powder is not properly controlled, it might be difficult to maintain the height tolerance and affect the conformance of the magnets produced. Some methods we have...
Rare-earth magnets are strong permanent magnets made from alloys of rare earth elements. Developed in the 1970s and 80s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets. The...
Magnetic property: So called "magnetic property" is detected from the blank magnets (semi-product from sintering process) after some simple grinding on the surfaces.
For the finished magnets, we suggest testing on Magnetic flux density (mWb) OR Surface gauss (Gs) etc. but not BHmax,because this...
Electric motor industry: Permanent Motor, Mini motor(libration motor), Motor for electric bicycle. Electronic industry: Speakers, Telecommunication, Computer drive,VCD,DVD, CD-ROM, OA equipment, home appliance, meters. Industry: magnetic separator(used in Food, Mine, Glass and Coal...
Our company (XingFeng Magnet) will be exhibiting at CWIEME Berlin 2016 !
Exhibition Date: 10–12 May 2016
Stand No. : 1.2 / 12D30
Service No. :+86-574-89065086
Exhibition Venue : Messe Berlin, Messedamm 22, D-14055 Berlin, Germany
Welcome new and old...
Magnetic properties of Sintered NdFeB magnets:
Grade
Remanence
Coercive Force
Intrinsic Coercive Force
Max. energy product
Max.
Operating
Temperature
Br
Hcb
Hcj
( BH...
Available Coatings Of Sintered NdFeB Magnets
Surface
Coating
Thickness(Microns) of coating
Color
Resistance
Salt spray Test Standard (hours)
Pressure Coating Test Standard (hours)
Passivation
1--2um
Silver Grey
Temporary Protection
Not...
Magnetism Direction:Oriented through thicknessAxially orientedAxially oriented in segmentsOriented laterally multipole on one faceMultipole oriented in segments on outside diameterMultipole oriented in segments on one faceOriented through diameteMultipole oriented in segments on inside...
Inreversible Temperature Coeffficients: Take 20°C and 120°C as
example,α(Br)=(12.07-13.39)÷13.39/(120°C-20°C)x100%Remanence=BrCoercive
Force= HcbInstrinsic Coercive Force=HcjMaximum Specific Energy
Product=BH(max)
Curie Temperature:
The Curie-Weiss Law is an adapted...
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets.
A permanent magnet is an...
1.What factors will effect performance of magnet?Ambient temperature: since sintered NdFeB magnet has negative temperature coefficients of remanence Br and coercivity Hc, the temperature will demagnetize the magnet to some extent, reversibly or irreversibly. The loss is also recoverable...
Micro Motor:Through many years of magnet innovation and matching application of magnet, Xinfeng's products are widely used in various electric machinery and transformers and so on. We give a implusion to the micro motor industry through perfect performance.
Auto industry: Due to the...
According to the news report posted by China Daily, a dozen Chinese companies who are the original manufacturer for rare earth magnets have formed an industrial alliance to sue Japan's Hitachi Metals for holding invalid patents and infringing patent rights of Chinese companies.
The legal...
Powder compaction
Rhodium metal: powder, pressed pellet (3*105 psi), remelted
Powder compaction is the process of compacting metal powder in a die through the application of high pressures. Typically the tools are held in the vertical orientation with the punch tool forming the bottom of the...
Our company (XingFeng Magnet) exhibiting at CWIEME Berlin 2015.
CWIEME Berlin - The World's largest International Coil Winding, Insulation & Electrical Manufacturing Exhibition.
...
Manufacturers and consumers researching specific magnet types may come across the term "strong magnet" in their search. At first, this sounds like an attribute that should be necessary for any magnet – who would buy something called a "weak magnet"?Alnico magnets are strong enough for several...
For better the understanding of Magnetic industry, we would like to attach hereinafter some basic relative items. Please look up the following if you have trouble in browsing.
Coercive force: The demagnetizing force, measured in Oersted, necessary to reduce observed induction, B to...
Neodymium magnet features
By the application of low oxygen production line, the oxygen content in sintered Nd-Fe-B magnets manufactured in this company is within 2000ppm,which helps to improve the uniformity of magnetic properties and corrosion resistance of sintered Nd-Fe-B magnets.
Sintered...
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