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How To

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Do permanent magnets have a half-life or otherwise “decay” over time?

Do permanent magnets have a half-life or otherwise “decay” over time? from reddit Physics It seems like there must be some energetic cost to constantly exerting a force on the surroundings. As particles & objects resist that force, it must exert some backward torque or whatever on the aligned atoms of the magnet. Over time, [...]

Thinking about purchasing a magnetic water softener?

Let discuss the magnetic water softener. They seem kind of neat because they really require no maintenance, mainly because there are no moving parts. The concept behind these water treatment devises is that by clamping them to your pipe, you change the composition of the water, and it magically softens your water. magnetic water [...]

Can use magnetic water treatment device clean your teeth?

Use magnetic water treatment device can clean your teeth Use magnetic water treatment device - The following study would not have been conducted if the researchers were not convinced without a doubt that magnetically treated water had proven effective in reducing scale in industry. This is outlined in the first paragraph. The information presented is [...]

Magnetic Pull Force Explained

Magnetic Pull Force Explained Magnetic Pull Force Explained - Breakaway force, holding force, fixturing force – “How can all of these represent the same measurement?” a younger engineer recently inquired. Engineers and non-engineers alike can be puzzled trying to understand some of the commonly used – but potentially misinterpreted – terms related to the concept [...]

How to assembly shuttering magnets

How to Assembly Shuttering Magnets Assembly Shuttering Magnets are mainly composed with sintered neodymium magnets and steel plates. The magnets and steel parts are machined into shapes with holes in advance. Later the workers need to assembly the magnets and steel parts with screws piece by piece. During the processing of assembling, workers should take notice [...]

How SmCo and Neo Magnets are Made

How SmCo and Neo Magnets are Made SmCo and Neo Magnets - Suitable raw materials are melted under vacuum or inert gas in an induction melting furnace. The molten alloy is either poured into a mold, onto a chill plate, or processed in a strip caster – a device that forms a thin, continuous metal [...]

How to Recognize Neodymium Iron Boron Appearance Defects Correctly

How to Recognize Neodymium Iron Boron Appearance Defects Correctly NdFeB appearance defect detection of a correct understanding, is conducive to customer an objective understanding of this new detection technology. Equipment is not a panacea, but no equipment entirely rely on manual testing is a great risk, the long run, machine substitutions is an inevitable trend. [...]

Which type of weld clamp magnet should you choose ?

Weld Clamp Magnets Choose Weld clamp magnet choose - If you are completing a small intricate steel structure, the best weld clamp magnet to use would be the adjustable links weld clamp magnet. all-types-of-weld-clamp-magnet This is because the adjustable links is the smallest weld clamp magnet available, so is the best for fitting [...]

How to re-magnetise an old magnet ?

How to re-magnetise an old magnet ? Re-magnetise Old Magnet Even if your magnet is kept in top condition, it can still become demagnetised during its lifetime. An example of this is a samarium cobalt magnet which has been shown to naturally lose 1% of its magnetic capabilities over a period of 10 years. [...]

How to avoid demagnetising magnet ?

Avoid Demagnetising Magnet Demagnetisation is the process whereby a magnet loses all of its magnetic properties. The magnet most prone to demagnetisation is the ferrite magnet due to the alloy it is made of, however all magnets can be demagnetised. To avoid demagnetising your magnet, follow these guidelines: Separating your magnets Make sure you separate [...]

How to Use Electromagnetic Locks

Here are some suggestions and recommendations for the installation and functionality testing to Use Electromagnetic Locks: electromagnetic-lock-feature-illustration Use Electromagnetic Locks - The electromagnetic lock requires a face to face fitting as shown in the illustration. Otherwise, the holding force will decrease (direction of hydraulic press pull must be collinear). electromagnetic-lock-and-armature-plate Install [...]

Shipping Magnets by Air

Shipping Magnets by Air Shipping Magnets by Air: For air shipment purposes, magnets are considered "dangerous goods" and the International Air Transport Association's (IATA) Dangerous Goods Regulations (DGR) must be followed. shipping-magnets-by-air In order for HSMAG magnets to be shipped by air: Flux measurements of all packages containing magnets must measure less than [...]

How to Select a DC Motor

DC Motor, Brushed DC Motors, Brushless DC Motors DC Motor - There are many motor choices on the market today, from heavy-duty AC motors to tiny DC brushless and stepper motors. To select the right motor for the application, users must have a full understanding of the application parameters, including power, speed, torque, physical size, efficiency, lifetime [...]

Magnets Maintenance and Care

Magnets, with the right maintenance and care, can last indefinitely. For information on how to look after your magnet, here are a few tips: Storage Storing a magnet correctly is one of the most important ways in which you can give your magnet a long life. All magnets can be stored together in one place, [...]

Remagnetize a Magnet

Demagnetization is the reduction or elimination of magnetization. One way to do this is to heat the object above its Curie temperature, where thermal fluctuations have enough energy to overcome exchange interactions, the source of ferromagnetic order, and destroy that order. Another way is to pull it out of an electric coil with alternating current [...]

How to Play Magnetic Olive?

Magnetic Olive, Magnetic Snake Eggs, Rattlesnake Eggs, Buzz Magnet, Magnetic Sound Magnetic Olive Toss the Magnetic Olive into the air. The two hematite magnets fly and collide, wrestling for equilibrium in a clattering, buzzing, Cicada sounding collision until they land at rest, centered and quiet in your cupped hands. A pair of powerful ellipsoidal hematite magnets, [...]

Magnetic Base Clip Installation for Precast Construction

Magnetic Base Clip Installation for Precast Construction  Eliminate caulking on your metal casting beds with Victory Bear's Magnetic Base Clip and Rustication system. • Step 1 – Place the special Base Clip on the casting bed according to the planned reveal layout. • Step 2 – Secure the Base Clip to the casting bed by [...]

How is magnet strength tested?

The strength of a magnet is indicated by either its pull force or its magnetic field strength. A magnet's strength is always stated in the product information for a magnet, however manufacturers use the following methods to discern this: Pull force The pull force of a magnet is the amount of force required to pull [...]

How grade choice affects performance when the NdFeB magnet is subjected to heat

It is possible to demagnetise a Neodymium magnet by applying an external magnetic field in a direction opposite to the direction of magnetisation (DoM) of the NdFeB magnet. The extent of demagnetisation is a function of the total magnetic circuit (and hence the Intrinsic working point), the temperature (and hence the actual BH curve shape [...]

How a magnet is demagnetised by applying an external magnetic field

For note, the effects of temperature and external demagnetising fields are easiest to calculate on NdFeB magnets that may be demagnetised as a result of such exposure if cgs units are used (Gauss, Tesla, MGOe) as cgs units allow faster production of new BH curves. When a new Intrinsic BH curve for Neodymium has been [...]

How Your Dead Hard Drive Could Save Your Life

Your Dead Hard Drive You can turn your old, dead hard drive into a stud finder that works better on plaster walls than electronic stud finders, and can work better on dry wall, too. What better use is there for that expensive hard drive than turning it into a humble stud finder? I can’t think [...]

How to Select Sensor Magnet Guide?

SENSOR MAGNET SELECTION Magnetic field profiles example Magnets, electromagnets and solenoids could all be used to trigger magnetic sensors such as Reed Switches and Hall Effect devices. The choice of magnet is determined by the actual application and the environment of the application. Temperature, distance and location of the magnet, presence of other [...]

How to use a hand-held magnetic sweepers

Here HSMAG tell you : How to use a hand-held magnetic sweepers Lift up hand-held magnetic sweeper Step 1 - Lift up hand-held magnetic sweeper Hold the magnet by the handle and lift it up to a comfortable height. The best height would be 4" from the surface you are sweeping. Step 2 [...]

How are magnets measured and graded for strength, quality, etc.?

Magnets measured and graded for strength, quality, etc. here you can learn about it, thanks. Magnets measured and graded Magnet Strength Measurements (B)--The units for measuring the field strength (flux density) of a magnet are Gauss or Tesla. 1 Tesla = 10,000 Gauss. The Earth's magnetic field is on the order of 1 [...]

How to make a ferrofluid display

Ferrofluid Display Customer Contribution - our customer Malsa Nocasliywva from Georgia, she sent us the share article about at how to make a ferrofluid display used HSMAG ferrofluids product. Thanks Malsa's share article. This is something that many people have asked, but only a couple have found the answer and refuse to share it. Today, [...]