Dimension tolerance and sizes that can be made

Sizes that can be made for neodymium magnets dimension tolerance

size_diametersize_ringsize_blocksize_sphere

Standard products Outer diameter D,OD Internal diameter ID Length L Width W Height H
< 5mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
< 10mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
< 20mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
< 50mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
<100mm ±0.15mm ±0.15mm ±0.15mm ±0.15mm ±0.15mm
>100mm ±0.2mm ±0.2mm ±0.2mm ±0.2mm ±0.2mm
Custom-made products Outer diameter D,OD Internal diameter ID Length L Width W Height H
< 5mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm
< 10mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm
< 20mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm ±0.05mm

If the tolerance is designated for a custom-made magnet, the above precision is required.

Ferrite magnets dimension tolera

All shapes ±2%

Sizes that can be made for neodymium magnets

The sizes that can be made will depend on the grade of the material. Currently, the maximum length possible is 150mm. Due to facility restrictions, it may not be possible to make large items that use materials other than no.35.

Discs/Rods D Diameter H Height,T Thickness Direction of magnetization
Maximum 200mm 30mm Height H,Diameter D
Minimum 1mm 0.5mm Height H,Diameter D
Rings OD Outer diameter ID Internal diameter H Height,T Thickness Direction of magnetization
Minimum 1 200mm 180mm 40mm Height H
Maximum 2 90mm 70mm 80mm Diameter D
Minimum 3mm 1mm 1mm Height H,Diameter D
Squares L Length W Width H Height,T Thickness Direction of magnetization
Maximum1
 245mm 80mm 40mm Height H
Maximum2 150mm 100mm 44mm Height H
Minimum 1mm 1mm 1mm Height H

 

Sizes that can be made for samarium cobalt magnets

The sizes that can be made will depend on the grade of the material. Currently, the maximum length possible is 150mm.

Discs/Rods D Diameter H Height,T Thickness Direction of magnetization
Maximum 100mm 100mm Height H,Diameter D
Minimum 1mm 0.5mm Height H,Diameter D
Rings OD Outer diameter ID Internal diameter H Height,T Thickness Direction of magnetization
Maximum 100mm 80mm 60mm Height H,Diameter D
Minimum 1.2mm 0.5mm 0.5mm Height H,Diameter D
Squares L Length W Width H Height,T Thickness Direction of magnetization
Maximum
 200mm 100mm 120mm Height H
Minimum 1mm 1mm 0.5mm Height H

 

Sizes that can be made for ferrite magnets

Discs/Rods D Diameter H Height,T Thickness Direction of magnetization
Maximum 181mm 5mm-29mm Height H
Minimum 6mm 2mm Height H,Diameter D
Rings OD Outer diameter ID Internal diameter H Height,T Thickness Direction of magnetization
Maximum 400mm 240mm 5mm-25mm Height H
Minimum 18mm 1.4mm 3mm Height H,Diameter D
Squares L Length W Width H Height,T Thickness Direction of magnetization
Maximum 6"(152.4mm) 4"(101.6mm) 1"(25.4mm) Height H
Minimum 2mm 2mm 2mm Height H