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Magnetic Principle

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How inductive sensors work

How inductive sensors work Inductive sensors are often used to measure position or velocity, especially in harsh environments. The terminology and technology of inductive position sensors can be confusing for many engineers. In this article, the various types of inductive sensors are explained, how they work, and their respective strengths and weaknesses. Inductive position and [...]

Efficient use of weak magnetic energy, new collectors help IoT sensors “self-generate”

Efficient use of weak magnetic energy, new collectors help IoT sensors "self-generate" CHINA's "dual-carbon" strategy advocates a green, environmentally friendly, and low-carbon lifestyle, which depends on the continuous development and innovation of green energy technologies. At the moment when our country is vigorously developing renewable energy, the recovery and reuse of micro-energy such as magnetic [...]

Why do magnets only attract iron?

Gold, silver, copper, and iron are all metals. Why do magnets only attract iron? It is a well-known phenomenon that a magnet will attract iron. I believe that everyone has tried to use a magnet to approach other metals to see if the magnet can attract them. However, the "experimental results" are often disappointing. Because [...]

Introduction to the principle of magnet power generation

Introduction to the principle of magnet power generation, Free electrons in a conductor are subject to the Lorentz force According to the law of conservation of energy, energy cannot be generated without reason, nor can it disappear without reason. The electric energy generated by magnets must come from other forms of energy. Physics tells us: [...]

“Bite hand” magnet ring jams student’s finger

"Bite hand" magnet ring jams student's finger The "biting hand" magnet ring stuck the student's finger, and Hubei Xianning fire department quickly removed it in 2 minutes On December 3, the left middle finger of a student of Chibi No. 1 Junior High School in Xianning City, Hubei Province was caught by a magnet ring. [...]

Researchers Develop New Method to 3D Print Magnets

Researchers Develop New Method to 3D Print Magnets Teams from the Jean Lamour Institute (IJL), the Materials Science research laboratory of the University of Lorraine, have developed a method for producing magnets with a desktop FDM 3D printer. The researchers claim to have succeeded in integrating magnetic properties into various 3D printed parts, all without [...]

3D-printed magnets help create more efficient electric motors

3D-printed magnets help create more efficient electric motors Upscaling the production of new 3D-printed rare earth permanent magnets VTT Technical Research Centre of Finland is leading a European consortium 3DREMAG which is developing a new material suitable for 3D printing of permanent magnets, which can be utilised in electric and hybrid vehicle motors. 3DREMAG is [...]

Zinc and Nickel Coating Magnet in Hardness, Life and Price

Zinc and Nickel Coating Magnet in Hardness, Life and Price The most commonly used coatings for NdFeB magnets are galvanized and nickel-plated. They have obvious differences in appearance, corrosion resistance, service life, price, etc. The following are the key points. Polishing difference: Nickel plating is superior to galvanizing in polishing, and the appearance is brighter. [...]

Magnetic 3D Mapping System

Magnetic 3D Mapping System HS Magnetics utilizes various custom designed testing machines for magnetic measurements. Below are two magnetic mapping systems outlined with descriptions as a combination of our engineering solutions. Magnetic field mappers measures the field magnitude and direction over a predetermined range of positions. These measurements are made by accurately positioning a collection [...]

Permanent Magnets in Electric Vehicles

 Permanent Magnets in Electric Vehicles, Permanent Magnetics in Electric Vehicles EV Motors and permanent magnets Rare-Earth magnets are higher in cost than copper windings, making the option of using a magnet-less AC induction or brushed DC motor attractive. Many applications (vacuum cleaners, mixers, hair dryers, most home fans, etc) will opt for the less expensive [...]

The Attraction Of Magnetic Filtration

The Attraction Of Magnetic Filtration So you have heard of magnetic filtration, but what exactly is it? According to American Machinist: “Efficient performance of coolants and lubricants is a challenge to engineers and machine tool operators — in terms of process efficiency, operating cost, and environmental compliance. Magnetic filtration is a relatively new concept that [...]

What Ferrite is Exactly

What Ferrite is Exactly Have you ever wondered what ferrite is exactly? According to Britannica: “Ferrite, a ceramic-like material with magnetic properties that are useful in many types of electronic devices. Ferrites are hard, brittle, iron-containing, and generally gray or black and are polycrystalline—i.e., made up of a large number of small crystals. They are [...]

Ceramic Magnets Market Up-To-Date Development Data

Ceramic Magnets Market Up-To-Date Development Data The global Ceramic Magnets market report summarizes the accomplishments and other developments of the Ceramic Magnets industry world over. The global Ceramic Magnets market report acts as a point of reference to the investors in global Ceramic Magnets industry. The report focuses on the sector-specific developments new partnerships, multiple [...]

Are Oil Filter Magnets Worth It?

Are Oil Filter Magnets Worth It? You may have heard of oil filter magnets. They’re high quality magnets you put into your disposable oil filter. The purpose of an oil filter magnet is to create a magnetic field within the oil filter. A good quality magnet will trap the tiny ferrous metal particles in the [...]

How Magnetic Oil Filtration Helps Gearboxes Work Longer

How Magnetic Oil Filtration Helps Gearboxes Work Longer Have you wondered how exactly magnetic oil filtration can help the longevity of your vehicle? According to Design World Online: According to the National Renewable Energy Lab (NREL), gearbox problems are the number one cause of turbine downtime. Although the wind industry is getting a handle on [...]

Magnetic Filtration Applications And Benefits

Magnetic Filtration Applications And Benefits There are many benefits to using magnetic filtration. According to Machinery Lubrication: Oil filtration in automotive and industrial machinery is essential to achieving optimum performance, reliability and longevity. Lubricant cleanliness is highly important and lubrication practitioners are provided with numerous options for filtering and controlling contamination, including disposable filters, cleanable [...]

WHAT IS MAGNETIC FILTER & HOW DOES IT WORK?

WHAT IS MAGNETIC FILTER & HOW DOES IT WORK? Magnetic Filter is a filtering and sorting device that uses magnetic force to absorb fine iron impurities in fluid and semi-fluid. It is usually installed inside or outside the hopper, discharge port, and transportation pipeline. When the material flows through the magnetic filter, the iron impurities [...]

How Magnetic Filtration Works

How Magnetic Filtration Works Simple Operation with Outstanding Results Magnetic filtration, also known as magnetic separation, allows for fluid to flow around a magnetic rod or core. This magnet attracts ferrous particles and removes them from the fluid, ensuring that clean fluids are returned to the contact area either on a machine tool or wash [...]

What Is Magnetic Filtration?

What Is Magnetic Filtration? Magnetic filtration is a method that removes iron particles from products that are in liquid or slurry form. It’s a method that can be used in nearly any environment where ferrous, para-magnetic, and grinding medium contamination is an issue. Magnetic filters make this type of filtration easy and effective. In fact, [...]

Do Magnet Coating Affect Magnet Strength?

Do Magnet Coating Affect Magnet Strength? Some customers ask whether the magnet coating will affect its magnetic strength from time to time? How big is the impact? Let's talk about this topic today. This is indeed an important factor to be considered. Although the distance of one or two millimeters between the magnet and another [...]

High Temperature Can Make Magnets Lose Magnetism Quickly

High Temperature Can Make Magnets Lose Magnetism Quickly A magnet will lose some magnetism immediately when it encounters a high temperature that exceeds its own tolerance. How much high temperature does it need? This depends on the coercive force of the magnet, which is usually expressed by the letter after the magnet grade, such as [...]

Why Magnetic Work with Us

Why Magnetic Work with Us Competences Tehnological manufacture of magnetic components of NdFeB, hard-ferrite and mix of NdFeB and hard-ferrite by means of compressed moulding and injection moulding development and manufacture of compounds for injection moulding of magnets manufacture of soft-magnet cores by means of compressed moulding and injection moulding optimization of electronic and magnetic [...]

Earth’s Magnetic Field Reversal

Earth’s Magnetic Field Reversal Earth’s Magnetic Field Reversal Took Three Times Longer Than Thought A new study suggests the last field reversal 773,000 years ago took 22,000 years to occur, which could explain some of the inner workings of our planet’s core。 Earth’s magnetic field is known to flip direction with a somewhat unnerving regularity: [...]

Magnetic Pole Reversal Happens All The (Geologic) Time

Magnetic Pole Reversal Happens All The (Geologic) Time Scientists understand that Earth's magnetic field has flipped its polarity many times over the millennia. In other words, if you were alive about 800,000 years ago, and facing what we call north with a magnetic compass in your hand, the needle would point to 'south.' This is [...]

What Is Magnetic Reversal?

What Is Magnetic Reversal? Earth is like a giant magnet in several ways. Not only does it have a magnetic north and south pole that act similarly to the poles on bar magnets, but the planet is surrounded by a strong magnetic field, which is electrically charged and able to interact with magnetized matter. The [...]

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