Hard Ferrite Magnets

Hard Ferrite Magnets

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* General Description:
Hard ferrite magnets are manufactured by a die pressing followed by sintering process which allows economic production of components in a varied array of sizes and shapes. Ferrite magnets have excellent corrosion resistance and have normal operating capabilities between -40 C and +250 C. When considering a new design using hard ferrite magnets, in order to minimize the potential for manufacturing difficulties and to be more assured of a satisfactory, and perhaps less costly product, one should bear in mind a few rules:
1) The maximum thickness in the direction of pressing should be approximately one inch, and this dimension (also called the magnetic length) should be less than any other dimension. If greater thickness is needed for a particular application, two or more magnets may be stacked and cemented together.
2) Whenever possible, magnetic circuits should be designed to accommodate unground dimensional tolerances (except for the thickness, which is normally ground to +/-.005 inch. Additional grinding is usually a significant portion of the total cost.
3) Slots, steps, or any abrupt change in cross section should be avoided. The arc ends of motor segments should preferably be flat at the outside corner. * Applications
As the most widely used and cost effective magnets, Hard Ferrite can be found everywhere. - Industrial and consumer motors
- Automotive application
- Computer peripherals
- Material handling
- Speakers
Company:X-MAG, In