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How to consider the specifications and types of magnets

When choosing NdFeB magnets, customers should choose the magnet trademark suitable for them according to their working temperature. If the working temperature is higher than the...

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​ What should be paid attention to when using magnets?

1、 Gaskets should be used as much as possible, that is, a buffer material should be placed between the magnet and the magnet. Some magnets have a high magnetic force, collectively referred to as strong magnets (especially neodymium iron boron, samarium cobalt magnets, etc.), so it is important to avoid two magnets being directly attracted together.If two magnets collide fiercely, it may cause danger to you, or it may cause wear, breakage, or even scrapping of the two magnets due to collision. The use of gaskets can avoid various accidents. It is also convenient to use when you need a magnet.2、 Pay attention to environmental hygieneMagnets can absorb various types of iron containing dust and should be kept clean at all times in the production workshop.If it sticks to other substances or dust, it is not only difficult to clean, but also extremely easy to affect the product effect (corrosion resistance, surface gloss), especially when used on the outside of the product. Another aspect is

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2023-08

Can samarium cobalt magnets rust? Does samarium cobalt rust affect performance?

It can also rust. Because samarium cobalt magnets contain iron, they can rust. However, compared to neodymium iron boron magnets, it has a lower iron content, so the rusting phenomenon is not very serious. If samarium cobalt magnets are used in seawater, some rust spots may appear on the surface of the product, but it does not affect its performance and use.Why do samarium cobalt magnets need electroplating?We know that samarium cobalt magnets can be used for electroplating treatment, such as nickel plating, zinc plating, nickel copper nickel, epoxy, etc. So why electroplating? Isn't electroplating adding some cost? In fact, there are three main benefits to electroplating samarium cobalt magnets.1、 Beautiful appearance. The electroplated samarium cobalt magnet looks less powdery, so it looks much better.2、 Rust prevention. Although samarium cobalt magnets have strong rust resistance, electroplating is better.3、 Anti crushing. Samarium cobalt magnets are relatively fragile, and elec

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2023-08

What kind of magnetic material should be chosen for the magnetic ring of automotive sensors?

1. Ferrite magnetic materials generally refer to the corresponding oxides of iron oxide and other metal oxides. Most of them possess ferrous magnetism. Characteristics: The resistivity is much higher than that of metals, about 1-10 (12th power) ohms/centimeter, so the vortex loss and skin effect are small, making it suitable for high-frequency use. Low saturation magnetization makes it unsuitable for use in high magnetic density situations. The Curie temperature is relatively low.2. Ferromagnetic material: Refers to a material with ferromagnetism. For example, iron nickel cobalt and its alloys, as well as alloys of certain rare earth elements. Below the Curie temperature, the material has a higher magnetization when applied with external magnetism.3. Ferromagnetic material: Refers to a material with ferromagnetism, such as various ferrites, that exhibit high magnetization when subjected to external magnetism below the Nail temperature.

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2023-08

Introduction to Three Installation Methods for High Temperature Resistant Plastic Magnets

As a high-temperature resistant plastic magnet, it is used to resist interference at higher operating frequencies, and only at high frequencies can its maximum performance be achieved. It is indispensable for electronic components such as various wiring harnesses, household appliances, various instruments, and electronic devices, and is generally indispensable in areas with interference. When selecting, if there is sufficient installation space or allowed, try to choose a magnetic ring with a large outer diameter, long length, and small inner hole. However, the inner diameter must be tightly attached to the wire harness in order to maximize its impedance effect. If the inner diameter is too large or too loose from the wiring harness, magnetic leakage and other phenomena may occur.Installation method for high-temperature resistant plastic magnetsThe first method is to use a wire harness and repeatedly wrap it with the magnetic ring several times to fix it.The second method is to thread

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2023-08

About Electromagnets

Definition of electromagnet:An electromagnet (solenoid) refers to a coil that is usually a long cylindrical shape. When current passes through it, it can act as a magnet, pulling the movable core into the coil. A simpler definition is that an electromagnet is composed of a coil and a movable iron core, used to convert electrical energy into mechanical energy. The emergence of electromagnets has a history of decades. The current electromagnetic products have a wide range of sizes, with diameters ranging from less than 4mm to over 400mm, and force outputs ranging from less than 10g to up to one ton.Characteristics of linear electromagnets:Linear electromagnets provide linear strokes, typically less than one inch in either direction. Linear electromagnets can be unidirectional or bidirectional. Linear electromagnets are usually divided into two types: pull type and push type: pull type refers to the electromagnetic force that pulls the punch into the electromagnet body; Push type refers t

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2023-08

What type of sensor needs a magnet?

Non contact sensors require the use of magnetic materials. Such as Hall sensors, car position sensors, motor speed sensors, weighing sensors, security alarm sensors, magnetostrictive displacement sensors, car brake sensors, car wheel speed sensors, magnetic control sensors, speed sensors, water flow sensors, inductive magnetic sensors, inductive sensors, etc.Sensors work together with magnetic steel to detect the size of magnetic fields, or use this principle to add magnetic materials to the sensor to detect ferromagnetic materials.Different sensors use different magnets, including sintered neodymium iron boron materials, injection molded magnets, ferrite magnetic rings, and bonded neodymium iron boron materials

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