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Molded Magnet Rotor


Molded Ferrite Magnet Rotor Picture¡¡1¡¡2¡¡3¡¡4
Molded NdFeB Magnet Rotor Picture
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Any size is available on request£¡
SJ/T10410-2000 permanent ferrite magnet standard

Grade of materia Br Hcb Hcj (BH)max
mT KGs KA/m KOe KA/m KOe KJ/m3 MGOe
Y25 360-400 3.6-4.0 135-170 1.70-2.14 140-200 1.76-2.51 22.5-28.0 2.8-3.5
Y25H 350-380 3.5-3.8 215-255 2.70-3.21 230-290 2.89-3.65 24.0-26.5 3.0-3.3
Y26H 360-390 3.6-3.9 220-250 2.77-3.14 225-255 2.83-3.21 23.0-28.0 2.9-3.5
ZM2.6H 370-400 2.7-4.0 205-50 2.58-3.14 210-255 2.64-3.21 25.0-29.0 3.1-3.7
Y28 370-400 3.7-4.0 175-210 2.20-2.64 180-220 2.26-2.77 26.0-30.0 3.3-3.8
Y30BH 380-420 3.8-4.0 224-240 2.80-3.00 232-256 2.24-2.40 27.1-30.3 3.4-3.8
ZM30 380-400 3.8-4.0 230-275 2.89-3.46 235-290 2.95-3.65 27.0-32.5 3.4-4.1
Y30H-2 395-415 3.95-4.15 275-300 3.46-3.77 310-355 3.90-4.21 28.5-32.0 3.5-4.0
Y32 400-420 4.0-4.2 160-190 2.01-2.38 165-195 2.01-2.45 30.0-33.5 3.8-4.2
Y33 410-430 4.1-4.3 220-250 2.77-3.14 225-255 2.83-3.21 31.5-35.0 4.0-4.4
Y35 430-450 4.3-4.5 215-239 2.70-3.01 217-241 2.71-3.02 33.1-33.2 4.2-4.3

Physical character and reference technical chracteristics of products

Grade of materia Br Hcb Hcj (BH)max
mT KGs KA/m KOe KA/m KOe KJ/m3 MGOe
ZM2.6H 370-400 3.7-4.0 205-240 2.38-3.02 210-255 2.77-3.21 25.0-29.0 3.1-3.7
ZM30 380-410 3.8-4.1 220-270 2.80-3.39 230-290 3.15-3.65 27.0-32.5 3.4-4.1

Parameters Mark Unit Value Note
Recoil permeability ¦Ìrce ¡ª 1.05-1.3  
Curie temperature Tc ¡æ 460  
The coefficient of demagnetization to temperature ¦ÁBr ¡æ-1 -0.2%

0-100¡æ

The coefficient of demagnetization to temperature ¦ÁHCJ ¡æ-1 0.2%-0.5% 0-100¡æ
Density D g/cm3 4.5-5.1  
Resistivity ¦Ñ ¦¸cm ¡Ý104  
The coefficient of linear expansion ¦ÁR ¡æ-1 7-15X10-6  
Hardness HV ¡ª 480-580  

Notes:
1.Y- Permanent ferrite magnet.
2.H- High velues of coercivity (Hcb) and intrinsic coercivity (Hcj)
3.Br- Residusl induction
Unit: Tesla or Gauss .T or Gs ImT=0.01KGs
4.Hcb- Coercive force
Unit: Ampere/meter or Oer sted. A/m or Oe.lkA/m-4¦ÐOe
5.Hcj- Intrinsic coercive force
6.(BH)max- maximum energy product.
Unit: Joule/meter or Gauss=Oersted. J/m3 or Goe.


Specifications of some products

Drawing Specification
9X3X10 mm

9X3X15 mm

10.5X4X16 mm
12X4X12 mm
12X4X16 mm
12X4X20 mm
13.5X4.5X21 mm
14X4.5X23 mm
14.6X4.5X25 mm
15X4.5X28 mm
16X5X25 mm
18.3X6X32 mm
19X6X30 mm
20X6.5X38 mm
20X6.5X40 mm
22X7X50 mm
25X8X50 mm
25X8X70 mm
30X9X60 mm



 
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