How are neodymium magnets made?
There are many steps involved in the manufacturing process for neodymium rare earth magnets, also known as NdFeB magnets. Here is a high level overview of the main steps involved:
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Raw Material Preparation: The first step in the manufacturing process is to prepare the raw materials that will be used to make the magnets. This involves mixing the neodymium, iron, and boron powders together in the correct proportions to create the magnetic alloy.
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Compaction: The next step is to compact the magnetic alloy into a solid form. This can be done using a variety of methods, such as cold pressing, hot pressing, or injection molding.
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Sintering: After compaction, the compacted magnetic alloy is sintered, or heated under pressure, to bond the particles together and create a solid, uniform magnet.
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Machining: The sintered magnet is then machined into the desired shape using a variety of tools, such as lathes and automated milling machines.
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Surface Treatment/Coating: The magnet is subjected to a surface treatment process to improve its durability and resistance to corrosion. This often involves applying a coating, such as a layer of nickel or zinc.
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Magnetization: The magnets are magnetized by exposing them to an extremely strong magnetic field. This final step is what turns neodymium magnets into permanent magnets, enabling them to perpetually produce their powerful magnetic pull or repel power.
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Quality Control: The final step in the manufacturing process is quality control, where the magnets are inspected and tested to ensure that they meet the required specifications.
It is worth noting that the specific manufacturing process may vary depending on the size and shape of the magnets being produced and the specific requirements of the application.
Customer Reviews
from 366 reviews
Great small mags make work look nice
Used these to break the connection on Security Door Sensors, the 3m tape works perfectly also.
3/4 x 1/4 x 1/4 Inch Strong Neodymium Rare Earth Ring Magnets N52 (6 Pack)
I use 4 knives on a regular basis, and my favorite knife is steel, and subject to rust. This goes on the cabinet next to the sink; keeps the knives readily visible, clean, dry, sharp, and easily selected; prevents dampness as is possible in enclosed knife holders, and saves counter space. The right size for a 12” deep cabinet, and works like a charm.
We use total element magnets in all of our products
Simple, strong, uniform magnets at the specified dimensions, shipped promptly and without fuss. These are an excellent value for the money. Haven't seen any failure so far and I've used a lot of these.
We’ll done
Very nice and quick shipping
Decided to try this Supplier instead of the one I have used for many years. Prices are much cheaper...so was hesitant at first. Magnet is just as high quality as ones more than twice the price with the same "N" ratings. With many years experience utilizing Neodymium Magnets; I feel comfortable recommending this company. Adhesive discs are also outstanding performers. Cuts down on mounting time and they have not failed yet.
I used the product on wrench racks in my toolbox. Wrenches no longer move or slide around when moving my toolbox around a giant aircraft hangar. Outstanding strength in these magnets. Worked perfectly! Need some more actually!
Received the magnets. Very strong snd met my needs perfectly.
Needle minders
However, I can’t begin to tell you how impressed I am with totalElements in every step of the order so the five star rating is for them.
They are perfect
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Multiple uses around my metal studio. Excellent magnets.