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Sintered NdFeB dimensional accuracy
1.Square Products
| Size range | Dimensional Tolerance | Parallelism | Perpendicularity |
| L≤10 |
±0.04 |
0.04 |
＜0.5° |
| 10＜L≤25 |
±0.04 |
0.04 | |
| 25＜L≤60 |
±0.05 |
0.10 | |
| L＞60 |
±0.06 |
0.10 |
|
Size range |
Dimensional Tolerance |
Roundness |
Flatness |
|
D≤10 |
±0.03 |
0.03 | 0.03 |
|
10＜D≤25 |
±0.03 |
0.03 | 0.04 |
|
25＜D≤60 |
±0.04 |
0.04 | 0.10 |
|
D＞60 |
±0.05 |
0.05 | 0.10 |
| Position | Size range | Dimensional Tolerance |
|
Wall thickness |
T≤10 |
±0.04 |
| 10＜T≤25 |
±0.04 |
|
|
Length |
L≤10 |
±0.04 |
| 10＜T≤25 |
±0.04 |
|
| 25＜T≤60 |
±0.04 |
|
| L＞60 |
±0.06 |
|
|
Width of lone surface direction |
W≤60 |
±0.05 |
| W＞60 |
±0.05 |
|
Size range |
Dimensional Tolerance | Coaxiality | |
|
Bore size |
D≤3 |
±0.04 |
0.06 |
| 3＜D≤6 |
±0.05 |
0.06 | |
| 6＜D≤25 |
±0.05 |
0.10 | |
| D＞25 |
±0.10 |
0.10 | |
|
Thickness Size |
T≤1 |
±0.04 |
/ |
| 1＜T≤3 |
±0.04 |
/ | |
| T＞3 |
±0.05 |
/ | |
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