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Deviations from shapes and positions, tolerances

Apart from the dimensional tolerances of length, width and height, permanent magnets have also deviations in shapes and positions..
Description

Quality Control

Apart from the dimensional tolerances of length, width and height, permanent magnets have also deviations in shapes and positions..

Tolerancias

The main deviations in block magnets are mainly warping and parallelism. And in discs and ring magnets, the deviations are cone-shapes and concentricity.

Nominal Measure Isotropics magnets Antisotropics magnets
Over Until Perpend. dir. pressing± Paralel. dir. pressing ± Perp. dir. de pressing± Paralelo. dir. pressing ±
- 4  0,25 0,30 0,25 0,30
4 6 0,25 0,30 0,25 0,30
6 8 0,25 0,30 0,25 0,30
8 10 0,30 0,40 0,30 0,40
10 13 0,30 0,40 0,30 0,40
13 16 0,30 0,40 0,35 0,45
16 20 0,30 0,40 0,45 0,55
20 25 0,30 0,40 0,55 0,70
25 30 0,35 0,45 0,70 0,90
30 35 0,40 0,50 0,80 1,00
35 40 0,45 0,55 0,95 1,20
40 45 0,50 0,60 1,10 1,35
45 50 0,60 0,80 1,20 -
50 55 0,70 0,90 1,30 -
55 60 0,75 1,00 1,45 -
60 70 0,90 1,10 1,65 -
70 80 1,10 1,35 1,90 -
80 90 1,25 1,55 2,15 -
90 100 1,40 1,70 2,40 -
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