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NdFeB Magnets Machining Capability and Dimensional Tolerance

 

The dimensional tolerance for NdFeB machining can be controlled as follows:

Customized magnet shape also available.

 

                                    Dimensional Tolerance    All in mm

 

  1. Magnetic Cylinder
OD Tolerance Cylindricity Circular Runout
D25 ±0.05 0.04 0.08
25<D35 ±0.08 0.05 0.10
D>35 ±0.10 0.05 0.12

 

2. Magnetic Block
Dimensions Tolerance Parallelism Perpendicularity
L25 ±0.05 0.05 0.5º
7<L20 ±0.05 0.05 0.5º
20<L65 ±0.08 0.10 0.5º
L>65 ±0.10 0.10 0.5º

 

3. Magnetic Ring
ID Tolerance Coaxiality
D3 ±0.05 0.06
3<D18 ±0.05 0.06
18<D50 ±0.10 0.10
D>50 ±0.12 0.10

 

4. Magnetic Arc Tile
Item Dimension Tolerance
Thickness T10 ±0.04
10<T25 ±0.05
Length L10 ±0.04
10<L25 ±0.05
25<L65 ±0.06
L>65 ±0.10
Chordal Width W63 ±0.05
W>63 ±0.10

 

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