Surface Treatments and Dimension Range / Nominal Tolerance of Sintered NdFeB Magnets
Surface Treatments
| Type |
Information |
| Metallic |
Zinc, Nickel, Nickel + Nickel, Nickel + Tin, Nickel + Copper + Nickel, Gold
|
| Organic |
Epoxy, Nickel + Epoxy coating
|
| Temporary |
Surface Passivation
|
Dimension Range / Nominal Tolerance
| Ring Magnet |
Outer Diameter (mm) |
Inner Diameter (mm) |
Thickness (mm) |
| Maximum |
160 |
140 |
50 |
| Minimum |
2.6 |
1.8 |
0.5 |
| Tolerance |
±0.1 |
±0.1 |
±0.1 |
| Block Magnet |
Length (mm) |
Width (mm) |
Thickness (mm) |
| Maximum |
150 |
50 |
30 |
| Minimum |
2.0 |
1.5 |
0.5 |
| Tolerance |
±0.1 |
±0.1 |
±0.1 |
| Disc Magnet |
Diameter (mm) |
Thickness (mm) |
| Maximum |
200 |
35 |
| Minimum |
1.2 |
0.5 |
| Tolerance |
±0.1 |
±0.1 |
Segment and other irregular shapes can be manufactured according to the customer's sample or blueprint.
