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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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Characteristics of permanent magnet suction cups

1) The permanent magnet suction cup adopts high-performance permanent magnet material Nd-Fe-B as the product core, making the product smaller in size, stronger in lifting force, and long-lasting in magnetic force.2) The permanent magnet suction cup has a safety factor of up to 3.5 times the maximum rated lifting weight.3) The bottom surface of the permanent magnet suction cup is designed with a "V" groove, which can lift corresponding round steel and steel plates.4) The permanent magnet suction cup can be used without electricity, saving the trouble of power supply.5) The optimized magnetic circuit design of the permanent magnet suction cup ensures almost zero residual magnetism.6) The professional design of the permanent magnet suction cup makes the product more aesthetically pleasing.Maintenance and upkeep1. Before using the suction cup, the surface should be wiped clean to avoid scratching and affecting accuracy2. The operating environment temperature is between -40C and -50C, and i

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2023-08

Design of permanent magnet suction cups

1. Permanent magnet suction cup magnetic system and yokeWhen designing permanent magnet suction cups, the first step is to carefully design the magnetic circuit. A good magnetic circuit structure can allow more magnetic flux to accumulate on the working surface as much as possible, meeting the requirements of lifting weight, and minimizing the use of neodymium iron boron materials. At the same time, when designing the magnetic circuit, careful consideration should also be given to the ease with which the operator can achieve work unloading. Solve technical difficulties such as high suction force of permanent magnet suction cups and difficulty in pulling the handle.The magnetic circuit design of a permanent magnet suction cup has two magnetic systems, which are divided into active and fixed parts. Change the state of the active magnetic system so that the working poles are in a state where the magnetic field is superimposed or reversed, and the magnetic field is cancelled out. At the sa

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2023-08

Magnetic charge of magnet

Magnetic monopole magnetic charge is the fundamental unit of quantification of magnetic monopoles. Some scientists in modern physics research believe that there are fundamental magnetic particles in nature that carry the minimum amount of charge. However, due to the fact that magnetic quantities are not as intuitive as electrical quantities, such particles have not yet been observed in current experiments. So "magnetic monopole" is still only a theoretical concept to this day.Due to the lack of accurate experimental values, the magnitude of the magnetic charge can only be inferred mathematicallyAfter rigorous mathematical deduction:Φ = H/2 π≈ 1.054571682 × 10 ^ (-34) wb (unit: Weber)From the study of the mass energy equation and the grand unified theory, it can be predicted that:M=1016GeV/C ² ≈ one point eight zero eight six nine three five eight six × 10 ^ (-26) kg (in kilograms)

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2023-08

Iron trioxide is a commonly used magnetic material.

Specially made pure ferric oxide is used as a raw material for recording tapes and telecommunications equipment.Natural magnetite is a raw material for ironmaking.Used for making primers and topcoats.Iron trioxide is the main raw material for producing iron catalysts (a type of catalyst).It has a high hardness and can be used as an abrasive. It has been widely used in the field of automotive braking, such as brake pads, brake shoes, etc.Iron trioxide has been recognized in the field of welding materials in China, and its use in the production of welding electrodes and wires is still in its infancy, with a very broad market prospect.Due to its significant ratio and strong magnetic properties, ferric oxide has shown good performance in sewage treatment.Iron trioxide can also be used as a pigment and polishing agent.We can also generate a dense layer of ferric oxide on the surface of steel through certain chemical reactions, such as the use of sodium nitrite, to prevent or slow down the c

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2023-08

The Source of the Magnet Law

One represents strength, the other represents wealth, and the role of magnets seems to be even greater, because the pharaohs believe that with the help of magnets, their power can soar, and they can attract people's attention, wealth, and items to their treasure trove. It can even affect everyone's success or failure in life and career. Is this statement reasonable? Some may doubt this claim, but as a theory, it has been circulating in ancient Egypt for thousands of years. Because people are not only interested in magnets, they have developed them into a law for universal application. This rule not only affects all your words and actions, but also deeply affects your thoughts and feelings.One thing you cannot deny is that everything you have in real life is all about attractiveness. If those things, items, or even people are out of place with your thoughts or dislikes, they will stay away from your life. To a considerable extent, these things are attracted by your unique though

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2023-08

Single-Molecule Magnets

(1) The exchange interactions within its molecules are extremely strong, and the molecules can be seen as objects with definite spin(2) The distance between molecules is relatively long, and the interaction is weak, which can be regarded as independent identical molecules(3) The overall properties of crystals are the superposition of identical molecular propertiesThus, the magnetic properties of crystals can exhibit the magnetic properties of individual molecules. So, we only study the magnetism of one molecule in a crystal to determine its magnetism. We refer to this type of research object as "single molecule magnets" (SMMs).(4) When the SMM crystal is at a very low temperature, a stepped shape appears in the hysteresis loopThis expresses a quantum phenomenon where the physical property "magnetization" of macroscopic objects undergoes "quantization", so this phenomenon is a "macroscopic quantum phenomenon".

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2023-08
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