Hard Brittle Permanent Ceramic Magnets Speciation:
1, Material: Ferrite magnet is made of Sro or Bao and Fe2o3 by Ceramic processing technology
2, Shape: Segment, Arc, Tile
3, Grades: Y10T,Y20,Y25,Y30,Y30BH,Y35 (China standard); C1,C5,C8,C11 (U.S.A. Standard)
4, Dimension: Customized
5, Tolerances: +/-0.1mm
6, Coating: No need Coating.
7, Application: Sensors, motors, rotors, wind turbines, generators, etc.
Ceramic magnets are very resistant to corrosion. Coatings can be applied for cosmetic reasons or to reduce the fine, ferrite powder which is associated with ceramic (ferrite) magnets.
Hard ferrite magnet can be economically molded with ring, arc segment, rectangular, disc, cylinder, trapezium or 2 combined geometries in one piece. Depending on these basic geometries, sphere, olivary shape, and other irregular geometry are available by further machining process. Slotting in hard ferrite magnet is practicable by pre-design in tooling or diamond grinding process. Hard ferrite magnets with 3S (super-small, super-big and super-thin) structure are also producible by wet molding process.
The dimensional deviation of hard ferrite magnet is controlled within +/-2% before being machined, and could be controlled within +/-0.10mm after being simply ground by diamond tool. Customs tolerance or precise control even +/-0.015mm is achievable, but should be negotiated. In most circumstance, wet anisotropic hard ferrite magnet is supplied with surfaces which parallel to anisotropic orientation un-ground and other surfaces ground. Definitions on tolerance of concentricity, roundness, squareness, perpendicularity and others please refer to MMPA standard No. 0100-00 or DIN17410 or ISO2768. china standard ferrite arc magnet
Hard Brittle Permanent Ceramic Magnets Motor Magnets MPCO Stock Size:
| Model. No. | Dimensions (mm) | ||||
| OR | IR | W | L | H | |
| MPFSM-001 | 12.0-16.0 | 8.2-10.2 | 16.0-18.0 | 24.0-26.0 | 6.0-8.0 |
| MPFSM-002 | 14.0-18.0 | 7.0-9.0 | 25.5-27.5 | 36.0-38.0 | 11.0-13.0 |
| MPFSM-003 | 15.0-19.0 | 11.0-13.0 | 29.3-31.3 | 27.0-37.0 | 11.0-13.0 |
| MPFSM-004 | 18.0-22.0 | 13.0-15.0 | 34.0-36.0 | 38.0-40.0 | 13.0-15.0 |
| MPFSM-005 | 18.0-22.0 | 13.0-15.0 | 26.0-28.0 | 49.0-51.0 | 10.0-12.0 |
| MPFSM-006 | 19.0-23.0 | 14.0-16.0 | 34.0-36.0 | 28.0-31.0 | 14.0-16.0 |
| MPFSM-007 | 22.0-26.0 | 17.0-19.0 | 39.0-41.0 | 25.0-60.0 | 15.0-17.0 |
| MPFSM-008 | 26.0-30.0 | 20.0-22.0 | 45.0-50.0 | 37.0-50.0 | 18.0-21.0 |
| MPFSM-009 | 26.0-30.0 | 19.0-22.0 | 44.0-46.0 | 35.0-63.0 | 15.5-17.5 |
| MPFSM-010 | 28.0-32.0 | 22.0-24.0 | 49.0-54.0 | 38.0-40.0 | 17.0-20.0 |
| MPFSM-011 | 28.0-32.0 | 22.0-24.0 | 32.0-34.0 | 47.0-49.0 | 10.0-13.0 |
| MPFSM-012 | 32.0-36.0 | 24.0-27.0 | 57.0-59.0 | 40.0-55.0 | 19.8-21.8 |
| MPFSM-013 | 33.0-37.0 | 27.0-29.0 | 23.0-25.0 | 42.0-48.0 | 7.4-9.4 |
| MPFSM-014 | 32.0-36.0 | 26.0-28.0 | 63.0-66.0 | 32.0-51.0 | 24.2-26.2 |
| MPFSM-015 | 32.0-36.0 | 28.0-31.0 | 57.0-59.0 | 38.0-40.0 | 21.0-23.0 |
| MPFSM-016 | 57.0-62.0 | 39.0-43.0 | 100.0-105.0 | 83.0-84.0 | 39.4-41.4 |
| MPFSM-017 | 50.0-54.0 | 40.0-42.0 | 52.0-54.0 | 38.0-40.0 | 14.5-16.5 |
| MPFSM-018 | 49.0-53.0 | 41.0-45.0 | 39.0-54.0 | 21.0-33.0 | 15.0-17.0 |
| MPFSM-019 | 53.0-57.0 | 47.0-49.0 | 75.0-93.0 | 24.0-27.0 | 19.0-21.0 |
| MPFSM-020 | 65.0-69.0 | 53.0-55.0 | 71.0-72.0 | 33.0-35.0 | 23.0-25.0 |
| MPFSM-021 | 78.0-81.0 | 62.0-64.0 | 62.0-64.0 | 130.0-132.0 | 17.5-19.5 |
The above size is suitable for customer’s Magnetic Grade (Ferrite)
Dimension tolerance: Outer radius OR, Inner radius IR and thichness H/T: ±0.15mm
Width W and length L: ±0.2mm for ground surfaces and ±2% for unground surfaces
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