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Dimension Range
Dimension Range of Sintered Ferrite Magnet
| Length (OD) mm | Width (ID) mm | Thickness (mm) | ||||
| Min. | Max. | Min. | Max. | Min. | Max. | |
| Block | 1 | 150 | 1 | 100 | 1.0 | 25 |
| Ring | 5 | 180 | 1.0 | 25 | ||
| Disc/Bar | 3 | 180 | 1.0 | 25 | ||
| R | r | Thickness | ||||
| Min. | Max | Min. | Max. | |||
| Segment | 8 | 110 | 5 | 90 | 3 | 25 |
For Pressed Hard Ferrite Magnet, the tolerance of length, width is +/- 2%,thickness +/-0.1mm
For Cutting Hard Ferrite Magnet, the tolerance is +/-3%, thickness tolerance are +/-0.1mm
Manufacturing process of ferrite magnets
Sintered Ferrite magnet are manufactured by sintered and pressing.
These magnets can be both anisotropic and Isotropic.
Anisotropic ferrite magnets are oritened in the manufacturing,direction must be magnetized in the direction of orientation.
Isotropic ferrite magnet are not oritened, and can be magnetized in any direction.
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