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Permanent Magnets

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The Common Equipment For Magnetic Iron Remover

The Common Equipment For Magnetic Iron Remover The iron remover is divided into a flat magnetic separator and a flat iron remover. It is a kind of equipment that can generate strong magnetic field attraction. It can remove the ferromagnetic impurities mixed in the material to ensure the safe operation of the crusher, grinder and [...]

The Rules For Safe Operation Of Magnetic Iron Removers?

The Rules For Safe Operation Of Magnetic Iron Removers? The iron remover is a kind of equipment that can generate strong magnetic field attraction. It can remove the ferromagnetic impurities mixed in the material and is widely used in thermal power, cement, chemical, food, building materials, paper making, metallurgy, mining, coal and other industries. To [...]

How To Remove Impurities From Finished NdFeB Products?

How To Remove Impurities From Finished NdFeB Products? The processing of NdFeB magnets is basically carried out under vacuum conditions, and impurities are not easily mixed. Since the chemical properties of NdFeB permanent magnet materials are relatively active, impurities are incorporated during the oxidation of the metal. Therefore, the finished product needs to be electroplated [...]

Principle and Advantages of Magnetic Encoder

Principle and Advantages of Magnetic Encoder Magnetic encoder detects rotational position information as changes of the magnetic field, converts them into electrical signals, and outputs them. Magnetic encoder with a Shaft-End configuration that combines a magnet magnetized in the radial direction and a Hall element that detects the strength of the horizontal magnetic field is [...]

FEATURES OF Injection Molded Magnets

FEATURES OF Injection Molded Magnets Our injection-molded magnets offer tremendous design versatility allowing engineers to add unique features to the magnet or magnet assembly that cannot be easily obtained using ceramic or sintered magnets. Injection-molded magnets are far less brittle, offer tighter tolerances, and meet magnetic requirements to a tighter tolerance. The injection-molding process can [...]

Advantages of Injection Molded Magnets

Advantages of Injection Molded Magnets The injection molded magnets are composed of nylon and magnetic powder, which is produced by injection molding with a special injection molding machine. Compared with other manufacturing methods of permanent magnets, injection molded magnets have unique and irreplaceable advantages. Injection moulding can produce magnets of complex shapes. In addition, the [...]

Off-Axis Configuration Magnetic Encoder

Off-Axis Configuration Magnetic Encoder The advantage of the Off-Axis configuration is that both ends of the rotary shaft can be freed, the encoder as a whole can be made thinner, and hollow through shafts can be supported. The Off-Axis configuration magnetic encoder needs correction to make the Lissajous figure a perfect circle, because the Lissajous [...]

How to Distinguish Two Kinds of Magnets: Bonded NdFeB and Sintered NdFeB?

How to Distinguish Two Kinds of Magnets: Bonded NdFeB and Sintered NdFeB? Neodymium magnets can be called neodymium-iron-boron magnets, which are collective names for powerful magnets. Their chemical formula is Nd2Fe14B. They are a kind of artificial permanent magnets. They are by far the strongest permanent magnets. The material grades of NdFeB magnets are N35-N52; [...]

Motor Hall Sensor Magnetic Ring

Motor Hall Sensor Magnetic Ring Probably most people will feel strange when they hear this term. In fact, it often appears in our lives. It is usually used in the automobile industry, taxi meters, and inverters. Let ’s take a look at motors. Application principle of Hall sensor magnetic ring. The motor hall sensor magnetic [...]

What is the Temperature Resistance of Brushless Motor Magnets?

What is the Temperature Resistance of Brushless Motor Magnets? The brushless motor adopts electronic commutation, the coil does not move, and the magnetic pole rotates. Brushless motors use a set of electronic equipment to sense the position of permanent magnet poles through Hall elements. Based on this perception, electronic circuits are used to switch the [...]

Strong Powerful Special Shape NdFeB Magnets

Strong Powerful Special Shape NdFeB Magnets special-shaped magnet for motor magnets, magnet stepper motor, brushless motor magnets, magnet wind power generator, micro motor magnets, magnet dc motor, linear motor magnets, at present, whether domestic or foreign, motor magnets and magnet motor demand is very big, the magnet is its core component, in micro motors, small [...]

How Helpful are Powerful Magnets in Daily Life?

How Helpful are Powerful Magnets in Daily Life? With the continuous advancement of technology, the use of powerful magnets is becoming more and more extensive, so where can powerful magnets be used in our daily life? What are the advantages of strong magnets that make many products widely used? HSMAG strong magnet How Helpful [...]

The Great Advantages of NdFeB Magnets in Magnetic Therapy Field

The Great Advantages of NdFeB Magnets in Magnetic Therapy Field Ningbo HSMAG Magnetic Industry Co., Ltd. is mainly engaged in two major parts: 1. Industrial supplies: sintered NdFeB, bonding NdFeB and magnetic components, 2. Civilian supplies: gun magnets, rubber magnets, salvage hooks, rotating hooks , magnetic hooks such as square hooks. Among them, the main [...]

Application of Strong Magnet in Automobile and Computer Industry

Application of Strong Magnet in Automobile and Computer Industry The strong NdFeB magnet produced by Ningbo NdFeB manufacturer is a high-performance permanent magnet material. The production cost of NdFeB permanent magnet material mainly comes from raw material cost, labor cost and energy consumption cost. Shenzhen NdFeB manufacturers have attracted much attention in many modern industries. [...]

Special Shaped SmCo Magnets

Special Shaped SmCo Magnets Sintered magnets are produced via powder metallurgy process and generally criticized by their machinability, especially sintered Samarium Cobalt magnets. Sintered SmCo magnets can be classified into 1:5 type Samarium Cobalt magnets and 2:17 Samarium Cobalt type magnets base on the alloy composition, then 1:5 type and 2:17 type are also known [...]

Special Shaped Neodymium Magnets

Special Shaped Neodymium Magnets Special shaped magnets refer specially to the magnets with irregular shape which primarily serve for specific demands. Injection molded magnets are ideally suited for special shaped magnets, but maximum energy product (BH)max of routine isotropic injection NdFeB molded magnets are limited to 60kJ/m3 which cannot satisfy most of special shaped demands. [...]

How to Choose Special-shaped Strong Magnets

How to Choose Special-shaped Strong Magnets Powerful magnets are an indispensable part of the assembly of electronic components in many industries. Standard round and square magnets are commonly used shapes. Special-shaped powerful magnets can better satisfy users' curiosity. So how to choose special-shaped magnets, today's Ningbo HSMAG Magnetics editor will analyze it for you. strong [...]

Magnetic Particle Examination

Magnetic Particle Examination Magnetic particle examination (MT) is a very popular, low-cost method to perform nondestructive examination (NDE) of ferromagnetic material. Ferromagnetic is defined in ASME Section V as “a term applied to materials that can be magnetized or strongly attracted by a magnetic field.” MT is an NDE method that checks for surface discontinuities [...]

How to Determine Polarity of Magnets

How to Determine Polarity of Magnets You might have heard the phrase “opposites attract.” While perhaps not always the best advice for relationships, this cliché is the rule of thumb for magnet polarity. Since we inhabit a giant magnet (Earth), understanding magnet polarity on a small scale will help you understand the larger magnetic field [...]

Do Microphones Need Magnetism To Work Properly?

Do Microphones Need Magnetism To Work Properly? Magnets and microphones play huge roles in our everyday lives. You may have read somewhere that magnets play a central role in microphones. Is this true? Do Microphones Need Magnetism To Work Properly? Dynamic mics (moving-coil and ribbon) convert energy via electromagnetic induction and have built-in magnets around [...]

Why & How Do Headphones Use Magnets?

Why & How Do Headphones Use Magnets? Magnetic materials and magnetic fields are all around us, but it may come as a surprise to you that the headphones you’re wearing have magnets, too! Why & How Do Headphones Use Magnets? Headphones act as transducers of energy, converting electrical energy (audio signal) into mechanical wave energy [...]

Magnets In Loudspeaker Drivers

Magnets In Loudspeaker Drivers Magnets In Moving-Iron Loudspeaker Drivers The moving-iron loudspeaker was the first effective electromagnetic loudspeaker design. Today, the design is pretty well relegated to balanced armature headphone drivers, but this driver type is still worth mentioning. Let’s have a look at the balanced armature headphone driver design to explain the magnets of [...]

Why And How Do Speakers Use Magnets & Electromagnetism?

Why And How Do Speakers Use Magnets & Electromagnetism? Magnetic material and magnetic fields surround us in our day-to-day lives, from the refrigerator magnets to the Earth’s magnetic field to the speakers in our homes, on the stage, in our cars, etc. Why and how do speakers use magnets? Speakers are transducers of energy that [...]

Big Magnets Make For Better Loudspeakers

Big Magnets Make For Better Loudspeakers Everybody who listens to audio, whether music, podcasts, movies or other media, depends on speakers. From standalone loudspeakers and monitors to headphones and earphones to built-in laptop and cell phone speakers, it’s clear that speakers vary significantly in size. With most speakers being electromagnetic, it begs the question: do [...]

Loudspeaker, Headsets, Woofer Magnets

Loudspeaker, Headsets, Woofer Magnets A loudspeaker is an electroacoustic transducer which converts an electrical audio signal into a corresponding sound. Magnets are widely used for loudspeaker/headsets/woofer , it included AlNICO , NdFEB and Ferrite magnets and so on. Typical speaker NdFeB magnets for Loudspeaker/headsets/Woofer : D5*1.2mm D4.25*1.5mm D6.5*2.0*1.5mm D9.5*1mm 8.9*1.8*0.8mm D12.5x2mm D9.9x3.2x1mm D9.9x3.2x2mm Block3.2x2.2x1mm Typical [...]

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