Rapid Delivery for Neodymium Micro Magnet - Neodymium Loaf Magnet – Horizon

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Rapid Delivery for Neodymium Micro Magnet - Neodymium Loaf Magnet – Horizon Detail:

Neodymium loaf magnet, loaf Neodymium magnet or Neodymium bread magnet is a loaf shape like a block mass with a rounded top. It is mainly inserted to the slot on the shaft or the flat surface of the loaf magnet glued on the shaft to work as an electric motor rotor.

Considering the precision size of the rounded top including radius, width and length, the Neodymium loaf magnet is limited to a specific application rather than a versatile usage. Therefore it is mainly customized for the industrial application.

How is the sintered Neodymium loaf magnet produced? Almost all sizes of loaf or bread Neodymium magnets are magnetized in pair through the thickness. Same as all shapes of sintered Neodymium magnets, firstly the raw materials including rare earth metals are measured to produce the suitable composition. The 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 cast furnace that can form a thin, continuous metal strip. These metal alloys or strips are crushed and pulverized to form a fine powder whose particle size is specified to contain material with one magnetic preferred orientation. The powder is placed in a jig and a magnetic field is applied while the power is pressed into a rectangle shape. In this mechanical pressing, the magnetic anisotropy is achieved. The pressed parts are heated to a sintering temperature and allowed to densify in a vacuum sintering furnace. Aging the magnets after sintering adjusts the properties of magnets.

Basic magnetic properties of loaf Neodymium magnets are set after the sintering & aging process is completed. Key data including Br, Hcb, Hcj, (BH)max, HK, should be tested and recorded. Only those magnets that pass the test can go to subsequent processes including machining.

Normally we cut the large magnet blocks to many pieces of block shaped magnets with thickness a little bigger than the final loaf magnet. And then we use profile grinding to machine the required radius size. This option of cut and grinding ensure the size accuracy of the Neodymium loaf magnet, particularly for the radius size.


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All we do is usually affiliated with our tenet " Buyer to start with, Belief to start with, devoting about the food packaging and environmental defense for Rapid Delivery for Neodymium Micro Magnet - Neodymium Loaf Magnet – Horizon, The product will supply to all over the world, such as: London, Sao Paulo, Johor, Our technical expertise, customer-friendly service, and specialized products make us/company name the first choice of customers and vendors. We are looking for your inquiry. Let's set up the cooperation right now!
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Renee from Swedish - 2018.07.27 12:26
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Beatrice from Malaysia - 2017.09.26 12:12