We provide it for sensor evaluation.
Magnet for AMR sensor | Magnet | Mounting method | Material (magnetic powder) | Magnetization pitch (mm) |
Number of poles | Shape | Specification | ||
---|---|---|---|---|---|---|---|---|---|
Kinds | Model | Kinds | Name | ||||||
High precision | KG1301-61 |
Narrow pitch multipole |
∅19.1 Magnetic drum (AB) |
Press fit or Adhesion | Ferrite | 0.4 | 150 | ||
KG1302-01 | ∅19.1 Magnetic drum (ABZ) |
Installation 1-M2 |
Ferrite | 0.2 | 300 | ||||
Position detection Rotation detection |
KG1204-51 KG1205-61 KG1206-61 |
Axial multipolar
|
Outer diameter20 Magnetic drum |
Clearance fit Adhesion | Ferrite | 3.7 | 10 | ||
KG1204-51 KG1205-61 KG1206-61 |
Outer diameter40 Magnetic drum |
Clearance fit Adhesion | Ferrite | 4.2 | 18 | ||||
KG1204-51 KG1205-61 KG1206-61 |
Radial multipolar
|
∅20 Magnetic drum |
Installation 1-K3 |
Ferrite | 4 | 16 | |||
KG1204-51 KG1205-61 KG1206-61 |
∅40 Magnetic drum |
Installation 1-M3 |
Ferrite | 4 | 32 | ||||
KG1203-62 KG1223-62 |
∅20 Magnetic drum #2 |
Installation 1-M3 |
Ferrite | 1.5 | 42 | ||||
KG1203-62 KG1223-62 |
∅7 Magnetic drum |
Press fit or Adhesion | Neodymium | 1.374 | 16 | ||||
KG1002-61 KG1003-02 KG1204-51 KG1205-61 KG1206-61 KG1402-61 |
2 poles in radial direction
|
∅5 radial direction two-pole magnet |
Adhesion | Ferrite | Radial direction | 2 | |||
KG1002-61 KG1003-02 KG1204-51 KG1205-61 KG1206-61 KG1402-61 |
∅7 radial direction two-pole magnet |
Adhesion | Ferrite | Radial direction | 2 | ||||
KG1002-61 KG1003-02 KG1204-51 KG1205-61 KG1206-61 KG1402-61 |
∅9 radial direction two-pole magnet |
Adhesion | Ferrite | Radial direction | 2 |
Magnets have the following differences in cost, magnetic force, and temperature characteristics depending on the material.
(Reference value for bonded magnet)
Material | Cost | Residual magnetic flux density (T) | Coercive force (A/m) | Temperature characteristics (%/°C) | Proper magnetization | Appropriate sensor type |
---|---|---|---|---|---|---|
Ferrite magnet | ○ | 0.3 | 200 | −0.2 | Multipolar magnet | Parallel sensingline type |
Neodymium/Iron Boron magnet |
△ | 0.6 | 400 | −0.1 | 2-pole to multi-pole | Vertical type |
Samarium iron Nitrogen magnet |
△ | 0.7 | 500 | −0.1 | 2-pole | Vertical type |