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MAGNETIC field

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Magnetism FAQ

Magnetism FAQ Basic Electricity Question 1 A permanent magnet is a device that retains a magnetic field without need for a power source. Though many of us have experienced the effects of magnetism from a permanent magnet, very few people can describe what causes permanent magnetism. Explain the cause of permanent magnetism, in your own [...]

What Is a Magnetometer?

What Is a Magnetometer? Learn the basics of magnetometers, including their relation to hysteresis curves and their applications. Magnetometers are devices that can measure the magnitude or direction of a magnetic field. They are present almost everywhere in electronics. They may be as simple as the one that your smartphone uses to detect whether it [...]

Magnetic Units of Measurement

Magnetic Units of Measurement If the burden of two systems of measurement for common quantities (English vs. metric) throws your mind into confusion, this is not the place for you! Due to an early lack of standardization in the science of magnetism, we have been plagued with no less than three complete systems of measurement [...]

Electromagnetic Induction

Electromagnetic Induction While Oersted’s surprising discovery of electromagnetism paved the way for more practical applications of electricity, it was Michael Faraday who gave us the key to the practical generation of electricity: electromagnetic induction. Faraday discovered that a voltage would be generated across a length of wire if that wire was exposed to a perpendicular [...]

Permanent Magnets Magnetism and Electromagnetism

Permanent Magnets Magnetism and Electromagnetism Centuries ago, it was discovered that certain types of mineral rock possessed unusual properties of attraction to the metal iron. One particular mineral, called lodestone, or magnetite, is found mentioned in very old historical records (about 2500 years ago in Europe, and much earlier in the Far East) as a [...]

What is A Magnet Rotor Made of Magnetic Assemblies

What is A Magnet Rotor Made of Magnetic Assemblies Magnetic motor rotor is formed by magnetic steel, metal shaft or metal shell. According to detailed application situation, the rotor magnet can be sintered, molded or injection molded with NdFeB magnet material and Ferrite magnet material with multi-poles magnetic rings. It can be used for the [...]

Suspended Magnets

Suspended Magnets, Suspension Magnets We are Manufacturer, Supplier, Exporter of Suspension Magnets, Suspended Magnets and our setup is situated in China. Magnetic Separators used for Separation, Purification, Filtration, Removing Ferrous Particles, Cleaning, Cleaning Coolant, Oil Filtration, Cleaning Oil, Liquid Cleaning etc. Suspension Permanent Magnet Our domain expertise has enabled us to offer a range of [...]

How do Magnetic Filters Work?

How do Magnetic Filters Work? While a large number of configurations exist, most magnetic filters work by producing a magnetic field or loading zones that collect magnetic iron and steel particles. Magnets are geometrically arranged to form a magnetic field having a nonuniform flux density (flux density is also referred to as magnetic strength) Particles [...]

What Are Magnetic Strainers And Filters?

What Are Magnetic Strainers And Filters? There’s a major misconception about the word filters when it comes to marine engineering equipment. As an equipment which carries out filtration is called as a filter but indeed this word is a misnomer and this may appear legit when you understand the concept behind it. Filters and Strainers [...]

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 [...]

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 [...]

Introduction About Speaker Magnets

Some Introduction About Speaker Magnets Speakers are a type of transducer which can transfer the electric signal to the acoustic signal. The sound quality of the speaker is largely depended on the speaker magnets. Speakers can be classified to internal magnetic type and external magnetic type according to the magnetic circuit structure. Speakers also can [...]

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 [...]

Multi-pole Permanent Magnets

Multi-pole Permanent Magnets Multi-pole radially oriented permanent magnets are typically used in the production of electric drives. Compared to the assembly of traditional segments, the cost saving in the course of assembly occurs especially in lager production series. We supply multi-pole magnets made of several different types of material. The two basic groups comprise sintered [...]

HSMAG Magnetic Laboratories

HSMAG Magnetic Laboratories HSMAG currently has four laboratories in total at its disposal. These laboratories focus mainly on testing permanent magnets and on testing products with permanent magnets. HSMAG Magnetic Laboratories Accredited laboratory according to ISO 17025. HSMAG accredited laboratory (since 2014) is unique lab in Europe testing permanent magnets according to ISO [...]

How To Distinguish The Magnetic Force Of A Magnet

How To Distinguish The Magnetic Force Of A Magnet Magnets are a common thing in life, but do you know how to tell the size of an equivalent magnet? The first method, put two of the same size of the size of the magnet can be adsorbed on the plane, such as: patch, blade, iron [...]

What Is a Magnetic Switch?

What Is a Magnetic Switch? A magnetic switch is just like a light switch: it turns a circuit on or off depending on what position the arm of the switch is in. The only difference is that a magnetic switch is operated by a magnet, rather than your fingers. Parts A magnetic switch has an [...]

Electro Circular Magnets

Electro Circular Magnets EHRP-ND electro-permanent magnets consist of a circular permanent-magnetic adhesive system and from an excitation winding permitting neutralized in the ON state, the magnetic field to the adhesive surfaces and thus the removal or withdrawal of the workpiece. Because of the permanent-magnetic character of EHRP-ND round magnets these are preferably used where long [...]

Magnetic Switchable Device

Magnetic Switchable Device A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics, metalworking, lifting, and robotics, to attach items to metal surfaces [...]

COVID-19 Coronavirus Ventilator Magnets

COVID-19 Coronavirus Ventilator Magnets / ECMO Magnets  Exhalation valve is a necessary component of the ventilator. The positive end expiration pressure (PEEP) function of the ventilator can help patients to preserve some gas in their lungs and hence enhance oxygenation time. Most of current exhalation valves are utilizes voice coil motor to drive the diaphragm [...]

Permanent Magnet for Infrared Guided Missile

Permanent Magnet for Infrared Guided Missile Infrared guided technology is a military technology which utilizes infrared tracking and measurement to control and guide missiles to the target. Infrared guided technology is mostly served to the passive homing guidance. Infrared guided system consists of the infrared seeker, computer and actuator. As the tracking and measurement apparatus, [...]

Wiggler Magnet

Wiggler Magnet A wiggler is an insertion device in a synchrotron. It is a series of magnets designed to periodically laterally deflect ('wiggle') a beam of charged particles (invariably electrons or positrons) inside a storage ring of a synchrotron. These deflections create a change in acceleration which in turn produces emission of broad synchrotron radiation [...]

Undulator Magnets

Undulator Magnets Undulator is one of the key equipment of the third-generation synchrotron light source and free electron laser device. Permanent magnet vacuum undulator occupies a fairly large proportion in numerous permanent magnet undulators. Undulator magnet is regarded as the heart of vacuum undulator. Its comprehensive magnetic characteristics have significant influence on the peak value, [...]

Magnetic Field Therapy for Chronic Overlapping Pain Conditions

Magnetic Field Therapy & Chronic Overlapping Pain Conditions Central pain conditions known as chronic overlapping pain conditions include fibromyalgia, endometriosis, chronic migraine, temporo-mandibular disorders, chronic low-back pain, irritable bowel syndrome, interstitial cystitis, vulvodynia and chronic tension-type headache. Read this article to learn about mechanism of COPC and see how magnetic field therapy can be utilized [...]