Pot Magnets: 九月 2018

2018年9月29日星期六

What Is A Hollow Cup Magnet

The hollow cup magnet, which is often called the magnetic ring, why? Because the magnetic ring itself is a hollow product, if it is not hollow, it will not be called a magnetic ring, so it is also reasonable to name the hollow cup magnet as a magnetic ring.

In general, the ring-shaped thing is mostly hollow, and the magnetic ring is just one of them. Why is the magnetic ring hollow? This is to make use of the regular characteristics of the magnetic ring. The hollow core of the magnetic ring is mainly simple in use and convenient to use. The hollow magnetic core can better penetrate into each interference source line, wrap the interference source line, and the characteristics of the magnetic ring can also be relatively horizontal, greatly improving the magnetic ring. The effect.

Hollow Cup Magnet

Everyone knows that the magnetic ring is used to suppress the interference signal. In order to make the home appliance work better, and also to work, it is no longer annoying to disturb signal interference. Therefore, as long as there is interference, we all remember that with the magnetic ring, hollow magnetic ring is also very simple to use, directly into the interference source line can, and the price is very cheap. We often see office computers on the data line, will see there is a starting point, that is, the location of the magnetic ring, in the appearance can not see it, has been injected with plastic, plastic injection is to protect the magnetic ring collision This leads to fragility and can also prevent magnetic leakage.

This is the advantage of the hollow magnetic ring, but also its advantages, in order to make it play a better and better effect, you can add more magnetic rings on the same interference source line, the more the magnetic ring is added, the anti-jamming effect The better, the priority is to choose a magnetic ring with a large outside diameter, a long length, and a small inner hole, so that it contains more components, and naturally the impedance characteristics are also stronger!

3D/6D Type Ferrite Magnet Core

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I Type F8N NiZn Ferrite Core

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P Type SMD SMT Ferrite Core

P Type SMD SMT Ferrite Core, SMD SMT Nizn Ferrite Bead Core With High Quality, SMD Nizn Soft Ferrite Bead Core With Factory Price, P Ferrite Core / SMD Ferrite China Supplier Product Name: P Type SMD SMT Ferrite Core Item Code: P Type Series: SMD/SMT Ferrite Core Type: Soft Composite: Ferrite Magnet (NiZn/MnZn) Specifications […]

SDRI74 Type Chip Inductor Ferrite Core

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Round Magnet Neodymium Ø60 x 10mm N40 Gold

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Custom Disc Magnet Neodymium Ø60 x 10mm N40

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Disk Neodymium Powerful Permanent Magnet Ø60 x 5mm N42

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2018年9月27日星期四

Decrypt NdFeB Magnets

Decrypt NdFeB Magnets – The formation of a magnetic field is a magnetic field generated by a molecular ring current of a magnetic substance, and the direction of movement of atoms or ions outside the nuclear electrons is random, so a large number of atom synthesis current is zero, no magnetic field, such as ferric chloride, iron sulfate, etc. The iron ions in the solution are not magnetic, so they will not be affected by the magnetic force. Therefore, iron ions do not attract iron ions under the action of a magnet.

Decrypt NdFeB Magnets

Magnet magnetic drive centrifugal pump It is designed by applying modern magnetic mechanics principle. It uses the magnetic transmission of permanent magnet to realize the non-contact transfer of torque. It also drives the external rotor and the external permanent magnet. The magnet magnetic line is used to drive the magnetic flux through the isolation sleeve. The inner rotor is also an inner permanent magnet. Since the medium is enclosed in a static insulating sleeve, the leak-free pumping medium can be sealed, and the shaft seal of the mechanical transmission pump can be solved without leakage, thus achieving a completely sealed, leak-free and pollution-free new industrial magnetic force. The purpose of the pump.
For most people, in the new technology industry, the permanent magnet material NdFeB, which has been widely used, is still a very mysterious thing. So what exactly is NdFeB? NdFeB, as its name suggests, is a metal compound composed of elements such as yttrium, iron, boron and rare earth elements. It combines the advantages of some rare earth elements and iron foot elements. It is the first high-performance utility model free of cobalt. The material, NdFeB has the advantages of extremely high energy machines and coke particles, and high energy density. This is a NdFeB permanent magnet material, which has been widely used in modern industry and electronic information, and makes instrumentation and electricity. The miniaturization, lightweighting, and insurance of electric motors and other equipment have become possible.

The application of NdFeB magnets in maglev trains is a magnetic levitation high-speed train system using contactless electromagnetic suspension, guidance and drive systems. Its speed can reach over 500 kilometers per hour. It is the fastest ground passenger vehicle in the world today. It has the advantages of high speed, strong climbing ability, low noise when using low energy consumption, safety and comfort, no fuel, and less pollution. It achieves high-speed ground-free operation without contact with the ground and without fuel.

SDRI127 Type SMD Inductor Ferrite Core

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SP Type SMD Small Ferrite Core

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TSD Type SMD Ferrite Cores

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SCFS Type EMI Suppression Ferrite Core

SCFS Type EMI Suppression Ferrite Core, ferrite core used for flat cable, cable usb SCFS type ferrite cores, emi suppression ferrite core flat type, cable shields emi suppression ferrite core, Split magnetic core with NiZn ferrite material, Ferrite Core / EMI Ferrite China Supplier Product Name: SCFS Type EMI Suppression Ferrite Core Item Code: SCFS […]

Disc NdFeB Permanent Magnets Ø90 x 30mm N48

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Strong NdFeB Magnet Disc Cylinder Ø80 x 30mm N50

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High Strength Neodymium Magnet Round Ø70 x 50mm N45

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2018年9月25日星期二

Magnetic Perfume Cap

About Magnetic Perfume Cap

The perfume is a mixture of essential oil, fixatives and solvents, used to give the human and living-spaces an agreeable scent. The manufacture process of perfume has been already formed during the time of Ancient Egypt, then the process has further improved by ancient Rome and Arabs. The manufacture process was introduced into the European in the 14th century, and France is still the trading and designing center of the perfume until today.

development of the aesthetic standard magnetic perfume cap

With the development of the aesthetic standard, the perfume bottle is not only as the vessel of perfume, but also has formed an art. The perfume bottle has already become a carrier of fashion sense for the last 100 years.

The magnetic perfume cap was used in Bleu De Chanel by industry giant Channel in 2010, and similar design is still used now. The magnetic perfume cap greatly improved the comfort level of the perfume’s level.

The principle of magnetic perfume cap

The production process of magnetic perfume cap

The magnet in magnetic perfume cap
The magnet in magnetic perfume cap is sintered NdFeB magnet, and the annual usage of magnetic perfume cap magnet is very large. Many magnet manufacturers in Zhejiang Province and Guangdong Province convert these millions of magnets, and the market competition in this area is fierce. In such case, some magnet manufacturers were already applied the low-cost sintered NdFeB magnet and bonded magnet into the magnetic perfume bottle. For low-cost sintered NdFeB magnet, its lifetime and pull force will much lower than regular magnet.

In consideration of ergonomic design, the magnet will be magnetized into 4-pole. The 4-pole magnet will also provide enough pull force to avoid the fall off of magnetic perfume cap. For same magnet, the pull force of multi-pole one will be higher than simple axial-magnetized one, so the customer can find 8-pole and 16-pole magnet in low-cost sintered NdFeB magnet. The magnetizing process is the productivity limitation of the magnetic perfume cap magnet in past several years.

RHS Type EMI Soft Magnetic Ferrite Core

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FS Type EMI Split Cable Clamp Ferrite Core

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RnH Type Cylinder Soft Ferrite Cores

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CF Type Flat Ferrite Core

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Ring Sensor Permanent Magnet Ø10 x Ø4 x 5mm N42

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Neodymium Ring Counterbore Magnet Ø10 x Ø3.4 x 3mm N42

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Sintered Neodymium Ring Magnet Ø9.5 x Ø6.5 x 2mm N42SH

Sintered Neodymium Ring Magnet Ø9.5 x Ø6.5 x 2mm N42SH, Sintering Neodymium Customized Ring Craft Magnet, Powerful Rare Earth Ring Sensor Permanent Magnet, Sintered Neodymium Iron Boron (NdFeB) magnet, Buy Super Strong Bulk NdFeB Ring Neo Magnets China Supplier & Factory Sintered Neodymium Ring Magnet Ø9.5 x Ø6.5 x 2mm N42SH Feature: Material Neodymium Plating […]Magnetic Perfume Cap

2018年9月23日星期日

Ferrite Ceramic Cylindrical Magnets

Ferrite Ceramic Cylindrical Magnets greatly concentrate magnetic fields and radio waves, especially useful at lower frequency. They are easy to use as a directional antenna: just wind turns of wire on the rod and then connect a variable capacitor to tune it up to the desired receive frequency.

Ferrite rods are made up of special ceramic magnetic materials wherein the magnetic molecules (domains) have the ability to align freely with external magnetic fields. The result is a powerful gain in magnetic strength (amplification) of the radio signal but without adding any electronic “hiss” noise. Its almost like a pre-amplifier but requires no external power except for the incoming signals.
These 2.75 inch x 0.380 inch diameter 2300u ferrite rods are great for use at frequencies from DC through 200 KHz.
Antennas: Transmits and Receive,
Electromagnet cores,
Transformer cores,
Audio chokes,
RF chokes,
Metal detectors,
Electromagnetic sensors,
Custom inductors,
Speaker crossover coils,
Experimental motors and more.

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2018年9月21日星期五

Application Classification of Rare Earth Permanent Magnet

Rare Earth Permanent Magnet Application Classification based on Operation Principle

Rare earth permanent magnet can be classified into five types according to its operational principle, includes Lorentz Force Effect, Ampere’s Circuital Law, Faraday’s Law of Electromagnetic Induction, Coulomb’s Law for Magnetism and other magnetic effects. Actually, each operational principle has extremely widespread application area.

Lorentz Force Effect

Lorentz Force is the combination of electric and magnetic force on a point charge due to electromagnetic fields. Application areas contain microwave tube, cathode ray tube, particle accelerator, magnetic spectrometer and magnetron sputtering system.

a. Cathode Ray Tube

permanent magnet for Cathode Ray Tube

b. Magnetic Spectrometer

Magnetic Spectrometer

c. Magnetron Sputtering System

Magnetron Sputtering System

d. Particle Accelerator

Particle Accelerator

Ampere’s Circuital Law

Ampere’s Circuital Law relates the integrated magnetic field around a closed loop to the electric current passing through the loop. Ampere’s Circuital Law can be applied to the permanent magnet motor, loudspeaker, voice coil motor, compass, gyroscope and accelerometer.

a. Compass

permanent magnet for Compass

b. Permanent Magnet Motor

Permanent Magnet Motor

c. Loudspeaker

permanent magnet for Loudspeaker

d. Voice Coil Motor

Voice Coil Motor

e. Gyroscope

permanent magnet for Gyroscope

Faraday’s Law of Electromagnetic Induction

Faradays’s Law of Electromagnetic Induction is a basic law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electromotive force. Related applications include the permanent magnet generator, eddy current brake, microphone and eddy current magnetic separator.

a. Permanent Magnet Generator

Permanent Magnet Generator

b. Microphone

magnet for Microphone

c. Eddy Current Magnetic Separator

Eddy Current Magnetic Separator

d. Eddy Current Brake

permanent magnet for Eddy Current Brake

Coulomb’s Law for Magnetism

The mode of action of Coulomb’s Law for Magnetism contains two ways:

1. Attraction and repulse between magnetic poles: magnetic coupling, magnetic bearing and magnetic spring.

2. Attraction between magnetic field and ferromagnetic materials: Magnetic separation, magnetic fluid sealing and magnetic lifter.

a. Magnet Bearing

Magnet Bearing

b. Magnet Coupling

Magnet Coupling

c. Magnetic Lifter

Magnetic Lifter

d. Magnetic Fluid Sealing

Magnetic Fluid Sealing

Other Magnetic Effects

Interactions between magnetic field and different substances will generate different magnetic effects, such as Nuclear Magnetic Resonance Effect, Faraday Magneto-optic Effect, Ferromagnetic Resonance Effect, Magnetic Entropy Effect and Magneto Resistance Effect.

a. Magnetic Resonance Imaging

Magnetic Resonance Imaging

b. Optical Isolator

permanent magnets for Optical Isolator

c. Optical Circulator

magnet for Optical Circulator

UF/UU/UI Type MnZn Magnetic Core

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ET/FT Type MnZn Ferrite Power Core

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UY Type Ferrite Transformer Core

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URS Type Mn-Zn Ferrite Core

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