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Magnetic Technology

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Inline Magnets

Inline Magnets Inline Magnets are popular with companies transporting materials through pipes due to the ease of installation and effective separation of tramp ferrous metal. The non-obstructive design suits applications in many different applications including food processing and plastics. The body design and finish are either standard or food sanitary. The Inline Magnet is designed [...]

Magnetic Separation & Metal Detection Systems

Magnetic Separation & Metal Detection Systems Our success is founded on key market advantages: • High intensity magnetic separation technology – first class performance • Advanced magnetic separator product design – total reliability and compatibility with application • First rate service – a full understanding of the needs of our markets One of the greatest [...]

Why Do Speakers Have Magnets?

Why Do Speakers Have Magnets? Speakers have magnets because magnets create an opposing magnetic field which results in vibrations which are the sounds we hear. Let’s explain a bit further. As you already know, for speakers to work, they need electric current. This current goes through a coil in the speaker and creates a magnetic [...]

Pros and Cons of Magnetic Filters

Pros and Cons of Magnetic Filters The decision to use magnetic technology in a given application depends on various machine conditions and fluid cleanliness objectives. These include the expected concentration of ferrous particles, type of oil used, operating temperature, surge flow and shock and machine design. Because of the numerous commercial products, configurations and applications, [...]

Neodymium Speaker Magnets Explained

Neodymium Speaker Magnets Explained In this article, you will meet a component that perhaps doesn’t get the exposure that it should – the magnet. While each speaker driver is made up of two magnets – an electromagnet and a natural/permanent magnet – the focus will primarily be on the latter. To reproduce sound through a [...]

Motor Permanent Magnet

Motor Permanent Magnet Permanent magnet motors use permanent magnets to generate the magnetic field of the motor, without the need for excitation coils or excitation current. Compared with traditional electric excitation motors, it has significant advantages such as high efficiency and simple structure. The applications of permanent magnet motors are extremely wide, covering almost every [...]

4 Factors Causing Your Magnets to Get Weaker

4 Factors Causing Your Magnets to Get Weaker Get the most value from your investment by avoiding potential magnet-weakening forces. Here's how! Whether you are buying magnets for home, office, hobby, or industrial use, you surely want to protect your new purchase to ensure they last as long as possible and stay as strong as [...]

Why Headphones Have Magnets Inside

Why Headphones Have Magnets Inside Music has been around since the beginning of time, but now can be enjoyed in more ways than one ever believed possible. The advancements in headphones have been rapidly increasing from basic over-ear headphones to small, wireless air pods. Purchasing new headphones may lead you to question exactly how these [...]

Magnetic Speaker Systems

Magnetic Speaker Systems Speakers have been utilising permanent magnets since 1930 and in the last 87 years the core technology has remained largely unchanged. However, with the advent of new materials and ever increasing strength of Neodymium magnets the speaker is constantly been re-invented. None more striking than the B&W Nautilus, now superseded in terms [...]

How Strong are Speaker Magnets

How strong are speaker magnets? Speaker magnet strength ranges from about 0.001 tesla all the way up to about 1.5 tesla (the strongest neodymium magnets). The basic function of speaker magnets is to translate an electrical signal into an audible sound. To achieve this functionality, speaker magnets don’t need to be extremely strong. So why [...]

Geomega recycle USA Rare Earth’s waste

Geomega recycle USA Rare Earth's waste Quebec-based mining technology firm Geomega Resources Inc plans to recycle rare earth-containing production waste produced by critical minerals producer USA Rare Earth. Geomega will recycle the production waste from USA Rare Earth's future production of sintered neodymium iron boron (NdFeB) permanent magnets (sintered neo magnets) in the United States. [...]

Recycling of Additively Printed Rare-earth Bonded Magnets

Recycling of Additively Printed Rare-earth Bonded Magnets In this work, we describe an efficient and environmentally benign method of recycling of additive printed Nd−Fe−B polymer bonded magnets. Rapid pulverization of bonded magnets into composite powder containing Nd-Fe-B particles and polymer binder was achieved by milling at cryogenic temperatures. The recycled bonded magnets fabricated by warm [...]

iPhone12 MagSafe: What the Magnetic Gadgets are

iPhone12 MagSafe: What the Magnetic Gadgets are Perhaps the biggest new feature the iPhone 12 phones bring is MagSafe, a small magnetic coil in the back of the phone that works with a range of different purchasable peripherals to improve your iPhone experience. It's an intriguing concept, perhaps reminiscent of Motorola's Moto Mods or the [...]

What is Maximum Working Temperature of Permanent Magnet?

What is Maximum Working Temperature of Permanent Magnet? Permanent magnets are widely applied in various motors, sensors/instruments and electronics, their temperatures almost vary more or less during work. These temperature variations are resulted from eddy current effect and/or ambient temperature variation. Due to thermal fluctuation and magnetic domain evolution, a permanent magnet loses some or [...]

Temperature Coefficients (α and β) of Permanent Magnets

What are Temperature Coefficients (α and β) of Permanent Magnets? A permanent magnet’s magnetic properties change as a variation of temperature. For a permanent magnet, remanence (Br) and intrinsic coercivity (Hcj or Hci) are two major parameters, it is important to consider their changes with corresponding temperature variation at work. In order to describe the [...]

Magnetic Attachment Wireless Charging

Magnetic Attachment Wireless Charging Apple Inc. launched their iPhone 12 series recently. Magnetic attachment wireless charging and MagSafe accessories attracted the most attention and analysis. Actually, Apple Inc. has been already utilized magnetic attachment wireless charging in their iWatch and Apple Pencil, then also obtained positive market feedback. As a new type of energy transmission [...]

What is the Strongest Commercial Permanent Magnet in the World

What is the Strongest Commercial Permanent Magnet in the World? Researchers and engineers have never stopped their steps to discover and develop novel permanent magnets since 1910s, and several types of permanent magnets had been commercialized and they have been widely used in motion, energy, electronics, medical and other high technologies in our daily life. [...]

Types of Temperature Losses of Magnets

Types of Temperature Losses of Magnets (= loss of magnetisation due to high temperature) Depending on the temperature, we distinguish between three different types of losses: Reversible temperature loss Temperature area: just above the maximum working temperature The magnet is less magnetic as long as it is hot. Once it is cooled down, it regains [...]

What MagSafe Magnet on the iPhone 12 is ?

What MagSafe Magnet on the iPhone 12 is ? how it works, and what can it do MagSafe for iPhone 12 is a multi-faceted feature that enables a whole new ecosystem of accessories. But how does it work and what can it do? What is MagSafe? MagSafe does many things, which makes it hard to [...]

How to Magnetize and Demagnetize a Permanent Magnet

How to Magnetize and Demagnetize a Permanent Magnet Due to random orientation for micro magnetic domains, a permanent magnet usually does not provide any magnetic flux when it is produced. It needs to be magnetized to saturation for use. So how to magnetize a permanent magnet? The basic principle is using a coil, i.e. an [...]

How Does Heat Affect Neodymium Magnets?

How Does Heat Affect Neodymium Magnets? A key property for stable magnet materials is to keep all of its domain atoms rotate in the same direction. When the magnets are exposed to heat, the balance between temperature and magnet atoms are disturbed affecting their magnetic properties. In other words, the tiny magnetic atoms act like [...]

Permanent Lifting Magnets Poles Number

Permanent Lifting Magnets Poles Number For every selection process of lifting magnets, you must know your loads’ weight, shape, material and contact area to determine the necessary amount and size of magnets. One important question to ask yourself: Are your loads thick? The loads need to be thick enough for the magnetic field of magnet [...]

Where Permanent Lifting Magnets are Used

Where Permanent Lifting Magnets are Used Lifting magnets are extremely versatile and can maximize process efficiency in diverse applications. Below are some common industrial applications our customers have been performing using our hoisting products. Raw materials Our magnetic lifting systems are widely used for handling raw materials in key production stages, such as: Steel stockholders, [...]

Hot Pressed NdFeB Ring Magnets

Hot Pressed NdFeB Ring Magnets, Strong Permanent NdFeB Magnet for DC Motor / Ring Motor Magnet, Neodymium /Permanet NdFeB/Hot Pressed Magnet for BLDC Motor, Neodymium Hot Pressed Magnet / Permanent NdFeB Hot Extrusion Magnet The hot pressed NdFeB Ring Magnets by HSMAG include two types. Hot pressed isotropic NdFeB magnet (MQ2) & Hot extruded anisotropic [...]

Multi-pole Magnetic Rotor Assembly for USA Electric-motor Customer

Multi-pole Magnetic Rotor Assembly for USA Electric-motor Customer HSMAG has secured an order for the supply of 600 multi-pole Samarium Cobalt (SmCo) magnetic rotor assemblies annually to a USA prominent Electric-motor customer. The magnetic rotor order was placed at the end of 2018 with deliveries starting in 2019 and running for 10 years. The HSMAG [...]

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